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04c89e91af3d0abd0f93e9dace90a3f8899d1d60
subsection
102
104
Symbolic finite automata.
This is probably due to the use of the removal of simulation smaller transitions, which does not have a meaningful counterpart when working with bisimulations. }}\begin{}[t] \centering \begin{}{0.45} \centering \begin{} \begin{}[ xlabel=simulation, ylabel=bisimulation, axis equal image, ymin=0, xmin=0, ymax=5000, xmax=...
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1807.08487
Simulation Algorithms for Symbolic Automata (Technical Report)
[ "Lukáš Holík", "Ondřej Lengál", "Juraj Síč", "Margus Veanes", "Tomáš Vojnar" ]
[ "cs.LO", "cs.FL" ]
2,018
en
Computer Science
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5957810277622cc32494d239e39ba8b2947b7429
subsection
103
104
Symbolic finite automata.
Fig.~\ref {app:fig:simbisim-time-iteration} shows the overall time needed by the iterative reduction process, Fig.~\ref {app:fig:simbisim-time-once} then the time taken by the first iteration---essentially the time taken by computing the simulation preorder or the bisimulation equivalence. One may see that bisimulation...
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1807.08487
Simulation Algorithms for Symbolic Automata (Technical Report)
[ "Lukáš Holík", "Ondřej Lengál", "Juraj Síč", "Margus Veanes", "Tomáš Vojnar" ]
[ "cs.LO", "cs.FL" ]
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5c8d9f1e67ea29e8f7404c9da62551c1f7a66579
abstract
0
24
Abstract
This paper presents results from the development and evaluation of a deductive verification benchmark consisting of 26 unmodified Linux kernel library functions implementing conventional memory and string operations. The formal contract of the functions was extracted from their source code and was represented in the fo...
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10.1007/978-3-030-03421-4_15
1809.00626
Deductive Verification of Unmodified Linux Kernel Library Functions
[ "Denis Efremov", "Mikhail Mandrykin", "Alexey Khoroshilov" ]
[ "cs.SE" ]
2,018
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Computer Science
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0pt10pt plus 0pt minus 2pt8pt plus 0pt minus 2pt0pt8pt plus 0pt minus 1pt6pt plus 0pt minus 1ptlstlistingchapterDeductive Verification of Unmodified Linux Kernel Library FunctionsDenis Efremov1,2 Mikhail Mandrykin2 Alexey Khoroshilov1,2,3,4 National Research University Higher School of Economics, Moscow, RussiaIvanniko...
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10.1007/978-3-030-03421-4_15
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Deductive Verification of Unmodified Linux Kernel Library Functions
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eb0db5b3b05aa3131e3a3925788b5002048151b0
subsection
2
24
Body
As explained in  describing the design choices behind the Jessie tool, byte-level block memory model in principle allows us to express common but non-standard C code fragments, such an implementation of the function memmove, while retaining the ability to detect use-after-free memory safety errors and potential pointer...
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10.1007/978-3-030-03421-4_15
1809.00626
Deductive Verification of Unmodified Linux Kernel Library Functions
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subsection
3
24
Body
Consider the following property of this function: two valid pointers from different blocks cannot have the same address. It cannot be expressed as a logical proposition using the current Jessie theory since this would involve bounded existential quantification over all possible reachable states of the corresponding all...
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10.1007/978-3-030-03421-4_15
1809.00626
Deductive Verification of Unmodified Linux Kernel Library Functions
[ "Denis Efremov", "Mikhail Mandrykin", "Alexey Khoroshilov" ]
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edf6c3560b55384cd7f639e62a7a5e68c36b58a2
subsection
4
24
Body
Second, it implements a number of normalizing code transformations that rewrite nested structures and addressed fields of simple types into pointers to separately allocated structures or values of the corresponding type (the transformations are described in ). This allows us to express the addresses of nested objects i...
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10.1007/978-3-030-03421-4_15
1809.00626
Deductive Verification of Unmodified Linux Kernel Library Functions
[ "Denis Efremov", "Mikhail Mandrykin", "Alexey Khoroshilov" ]
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28addf7a0481f02607e5c4c7a7f839d989b46fd8
subsection
5
24
Body
For these purposes Jessie implements modulo integer model, which precisely models values of integral types as bitvectors.Unfortunately, the integer model in Jessie can only be chosen once for the entire program analyzed using the corresponding pragma. In practice, however, it is desirable to be able to choose the appro...
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10.1007/978-3-030-03421-4_15
1809.00626
Deductive Verification of Unmodified Linux Kernel Library Functions
[ "Denis Efremov", "Mikhail Mandrykin", "Alexey Khoroshilov" ]
[ "cs.SE" ]
2,018
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Computer Science
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616203ed40508de344567e8e8d0f5c4179a8fa52
subsection
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Body
The operation & in logic is encoded as bitwise conjunction with the same type as +%. The relation < in logic is encoded as either bitwise or integer relation depending on the type of arguments. The bitwise relations is augmented with an axiom relating it to the integer one. The operation a \mathop {\texttt {+}} b in co...
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10.1007/978-3-030-03421-4_15
1809.00626
Deductive Verification of Unmodified Linux Kernel Library Functions
[ "Denis Efremov", "Mikhail Mandrykin", "Alexey Khoroshilov" ]
[ "cs.SE" ]
2,018
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Computer Science
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037cf38ad0e3495bd8101d1253356ebbe56103e1
subsection
7
24
Body
This can be potentially addressed by either adding some preliminary instantiation step or implementing similar support for the necessary operations as an SMT theory directly in the solver (by converting axioms into inference rules of the theory).Lastly, let's demonstrate some practical capabilities of this integer mode...
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10.1007/978-3-030-03421-4_15
1809.00626
Deductive Verification of Unmodified Linux Kernel Library Functions
[ "Denis Efremov", "Mikhail Mandrykin", "Alexey Khoroshilov" ]
[ "cs.SE" ]
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3d0ca66921994a186b8421ecab5c1122a4504731
subsection
8
24
Introduction
Deductive verification is one of the most rigorous techniques to ensure software satisfies its requirements. In spite of significant advances in tool support, it still requires deep user involvement in the verification process to provide manual guidance (e. g., to specify the contract of each function and to identify l...
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10.1007/978-3-030-03421-4_15
1809.00626
Deductive Verification of Unmodified Linux Kernel Library Functions
[ "Denis Efremov", "Mikhail Mandrykin", "Alexey Khoroshilov" ]
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subsection
9
24
Related Work
Since the deductive verification tools, WP and Jessie are mature enough there are many examples where these tools were applied for verification of real-life software. In  12 string functions from OpenBSD were examined, using Jessie as a deductive verification plug-in. The correctness of 7 functions was fully proved (al...
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10.1007/978-3-030-03421-4_15
1809.00626
Deductive Verification of Unmodified Linux Kernel Library Functions
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subsection
10
24
Related Work
The authors regularly update the document with new specifications and functions, bug-fixes, etc. This project started in 2009. The document contains a number of fully verified functions. They were proved with Alt-Ergo, CVC3, CVC4, Z3, and EProver solvers. Authors use the WP deductive verification plugin.GrammaTech repo...
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10.1007/978-3-030-03421-4_15
1809.00626
Deductive Verification of Unmodified Linux Kernel Library Functions
[ "Denis Efremov", "Mikhail Mandrykin", "Alexey Khoroshilov" ]
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50e992b8d5d5204e93e04abefd45c6139459a329
subsection
11
24
ACSL
ACSL is designed to be suitable for specifying safety properties of C programs, including contract specifications (pre- and postconditions) and assertions with arbitrary predicates on one or several memory states. The language also supports the specification of function frame conditions, axiomatic theories and addition...
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10.1007/978-3-030-03421-4_15
1809.00626
Deductive Verification of Unmodified Linux Kernel Library Functions
[ "Denis Efremov", "Mikhail Mandrykin", "Alexey Khoroshilov" ]
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subsection
12
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ACSL
In both of those cases, the corresponding operation (type cast or decrement) discards some parts of the bitwise representation of the argument (higher bits of the int value and the sign bit correspondingly), which corresponds to the intention of the programmer. To distinguish those intentionally overflowing operations,...
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10.1007/978-3-030-03421-4_15
1809.00626
Deductive Verification of Unmodified Linux Kernel Library Functions
[ "Denis Efremov", "Mikhail Mandrykin", "Alexey Khoroshilov" ]
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2,018
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Computer Science
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subsection
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Region separation in
Since there are two deductive verification plugins for the Frama-C platform, we had to make a choice between Jessie and WP. While there may be many arguments for choosing a more up-to-date and actively maintained WP plugin, which, among others, has capabilities for bitwise modelling of in-memory data representation and...
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10.1007/978-3-030-03421-4_15
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Deductive Verification of Unmodified Linux Kernel Library Functions
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subsection
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Formal Specifications
We were guided by several techniques in the development of specifications: the use of excessive specifications (explicit specifications and specifications that establish the correspondence with a logical function), the development of specifications based on source code, and the context of function calls.The results des...
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1809.00626
Deductive Verification of Unmodified Linux Kernel Library Functions
[ "Denis Efremov", "Mikhail Mandrykin", "Alexey Khoroshilov" ]
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subsection
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Formal Specifications
We tried to maximally weaken the preconditions and strengthen the postcondition in order to test the instruments of deductive verification, the expressiveness of the ACSL language, and the capabilities of solvers.[caption=strncmp contract,label=lst:strncmpverker,captionpos=b,breaklines=false,breakautoindent=false,linew...
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10.1007/978-3-030-03421-4_15
1809.00626
Deductive Verification of Unmodified Linux Kernel Library Functions
[ "Denis Efremov", "Mikhail Mandrykin", "Alexey Khoroshilov" ]
[ "cs.SE" ]
2,018
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Computer Science
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subsection
16
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Logic Functions
The specifications are redundant for some functions. In fact, they describe a function's behavior in two different ways. For example, strlen specification consists of the usual functional requirements and the requirement for the correspondence between the returned value and the logical function. This approach is motiva...
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10.1007/978-3-030-03421-4_15
1809.00626
Deductive Verification of Unmodified Linux Kernel Library Functions
[ "Denis Efremov", "Mikhail Mandrykin", "Alexey Khoroshilov" ]
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subsection
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24
Open Issues
At the specification level, the authors faced many problems related to significant inaccuracies in the modeling of pointer operations, as well as the insufficient level of ACSL language support by the tools.Thus, for the memmove function, there is the VC, which states that the dest and src pointers should lie in the sa...
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10.1007/978-3-030-03421-4_15
1809.00626
Deductive Verification of Unmodified Linux Kernel Library Functions
[ "Denis Efremov", "Mikhail Mandrykin", "Alexey Khoroshilov" ]
[ "cs.SE" ]
2,018
en
Computer Science
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bac62197aef3efb889ff4ddf0454c61a30a5024f
subsection
18
24
Open Issues
This drawback prevents the explicit definition of the logical functions for skipspaces, strcspn, strpbrk, and strspn.Functions from the file ctype.h (isspace, isdigit, isalnum, isgraph, islower, ...) are defined as macros that operate on the array _ctype of 256 bytes, which specifies the belonging of each character to ...
{ "cite_spans": [] }
10.1007/978-3-030-03421-4_15
1809.00626
Deductive Verification of Unmodified Linux Kernel Library Functions
[ "Denis Efremov", "Mikhail Mandrykin", "Alexey Khoroshilov" ]
[ "cs.SE" ]
2,018
en
Computer Science
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329d6fcc661dc6fdce9e3bc7bfdf4fee4fbe37f9
subsection
19
24
Evaluation of Solvers
AstraVer translates Frama-C's internal representation into the program model in WhyML , based on the memory model and semantics of operations with integers. The Why3 tool generates VCs for a WhyML program and converts them into an input for solvers. Why3 supports a number of solvers, such as Alt-Ergo, CVC3, CVC4, Z3, S...
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10.1007/978-3-030-03421-4_15
1809.00626
Deductive Verification of Unmodified Linux Kernel Library Functions
[ "Denis Efremov", "Mikhail Mandrykin", "Alexey Khoroshilov" ]
[ "cs.SE" ]
2,018
en
Computer Science
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ca5652cb6e4434539f6afcaa78ca6aa258dba38c
subsection
20
24
VC transformation strategy
To put all solvers in similar conditions all VCs were transformed by Why3 using the following strategy:Split goal by conjuncts (split_goal_wp) repeatedly until fixed point. Inline definition of all logical symbols (inline_all). Split goal by conjuncts (split_goal_wp) repeatedly until fixed point. Skolemize goal (int...
{ "cite_spans": [] }
10.1007/978-3-030-03421-4_15
1809.00626
Deductive Verification of Unmodified Linux Kernel Library Functions
[ "Denis Efremov", "Mikhail Mandrykin", "Alexey Khoroshilov" ]
[ "cs.SE" ]
2,018
en
Computer Science
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7b0c0f8572158a857ed3b64d0e146ee6e907e183
subsection
21
24
Statistics
table:bench presents the results of the evaluation. The first column contains the target function name the second one includes the number of VCs generated (safety and behavioral) after application of the transformation strategy. The rest of the table presents solver statistics: the amount of discharged VCs and the aver...
{ "cite_spans": [] }
10.1007/978-3-030-03421-4_15
1809.00626
Deductive Verification of Unmodified Linux Kernel Library Functions
[ "Denis Efremov", "Mikhail Mandrykin", "Alexey Khoroshilov" ]
[ "cs.SE" ]
2,018
en
Computer Science
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3c4eeb826127d7186a5a7f8f2a7314c420dd90c7
subsection
22
24
Discussion
All VCs except one for memmove are successfully discharged by at least one of the solvers. The best result was achieved by Alt-Ergo and CVC4. This is expected as those solvers were most extensively used during the development and testing of the toolset.CVC4 1.5 discharged the greatest number of VCs, while Z3 required t...
{ "cite_spans": [] }
10.1007/978-3-030-03421-4_15
1809.00626
Deductive Verification of Unmodified Linux Kernel Library Functions
[ "Denis Efremov", "Mikhail Mandrykin", "Alexey Khoroshilov" ]
[ "cs.SE" ]
2,018
en
Computer Science
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c07a1528714184297c00371252f14985bedd47a1
subsection
23
24
Conclusion
This paper presents results from the development and evaluation of a deductive verification benchmark consisting of 26 unmodified Linux kernel library functions implementing conventional memory and string operations. Formal contracts of the functions were extracted from their source code and were represented in the for...
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10.1007/978-3-030-03421-4_15
1809.00626
Deductive Verification of Unmodified Linux Kernel Library Functions
[ "Denis Efremov", "Mikhail Mandrykin", "Alexey Khoroshilov" ]
[ "cs.SE" ]
2,018
en
Computer Science
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10e4ae3f9ec54ac04484c1fe172a7f9d4d5d5506
abstract
0
70
Abstract
In this paper, we set up a rational homotopy theory for operads in simplicial sets whose term of arity one is not necessarily reduced to an operadic unit, extending results obtained by the author in the book "Homotopy of operads and Grothendieck-Teichm\"uller groups". In short, we prove that the rational homotopy type ...
{ "cite_spans": [] }
10.1515/gmj-2018-0061
1805.00530
The extended rational homotopy theory of operads
[ "Benoit Fresse" ]
[ "math.AT" ]
2,018
en
Mathematics
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9e31fe70364b4ee3b2a059f3766c82e905b750b8
subsection
1
70
Introduction
In , the author proved that the Sullivan model for the rational homotopy theory of spaces admits an extension to the category of operads in simplicial sets \operatorname{{P}} whose term of arity one is reduced to a one-point set \operatorname{{P}}(1) = *. The goal of this paper is to explain the definition of an extens...
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10.1515/gmj-2018-0061
1805.00530
The extended rational homotopy theory of operads
[ "Benoit Fresse" ]
[ "math.AT" ]
2,018
en
Mathematics
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59d5706363f566ae7185e70356369798585703c6
subsection
2
70
Introduction
This property simplifies the definition of our model. In particular, we prove in  that the category of Hopf cochain dg-cooperads such that \operatorname{{A}}(1) = \operatorname{\mathbb {Q}} inherits a model category structure with the quasi-isomorphisms of Hopf cochain dg-cooperads as class of weak-equivalences.Let \op...
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10.1515/gmj-2018-0061
1805.00530
The extended rational homotopy theory of operads
[ "Benoit Fresse" ]
[ "math.AT" ]
2,018
en
Mathematics
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5ebb0bf41ae327e371038f970b381aaf3c4f7e1d
subsection
3
70
Introduction
To be explicit, we have the identity X^{\operatorname{\mathbb {Q}}} = \operatorname{\mathtt {L}}\operatorname{\mathtt {G}}(\operatorname{\mathtt {\Omega }}^*(X)), where we use the notation \operatorname{\mathtt {L}}\operatorname{\mathtt {G}}(-) for the left derived functor of the functor \operatorname{\mathtt {G}}: \op...
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10.1515/gmj-2018-0061
1805.00530
The extended rational homotopy theory of operads
[ "Benoit Fresse" ]
[ "math.AT" ]
2,018
en
Mathematics
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ebada0c7c5c2ad20c2fb2fc8946d89a32731ee7d
subsection
4
70
Introduction
We explicitly have \operatorname{\mathtt {G}}(\operatorname{{A}})(r) = \operatorname{\mathtt {G}}(\operatorname{{A}}(r)), for each r>0, for any \operatorname{{A}}\in \operatorname{\mathit {dg}}^*\operatorname{\mathcal {H}\mathit {opf}}\operatorname{\mathcal {O}\mathit {p}}_{01}^c. In fact, the Sullivan functor \operato...
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10.1515/gmj-2018-0061
1805.00530
The extended rational homotopy theory of operads
[ "Benoit Fresse" ]
[ "math.AT" ]
2,018
en
Mathematics
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7ab1b121d97c0ffb4c783d23b9dc5005a92cc962
subsection
5
70
Introduction
This result implies that our operadic rationalization functor \operatorname{{P}}^{\operatorname{\mathbb {Q}}} reduces to the Sullivan rationalization of spaces arity-wise. We explicitly have a weak-equivalence of simplicial sets \operatorname{{P}}^{\operatorname{\mathbb {Q}}}(r)\sim \operatorname{{P}}(r)^{\operatorname...
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10.1515/gmj-2018-0061
1805.00530
The extended rational homotopy theory of operads
[ "Benoit Fresse" ]
[ "math.AT" ]
2,018
en
Mathematics
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696c44d6cc8f50018f806f82336d27b5b88c93ad
subsection
6
70
Introduction
We just briefly check that our results extend without change as soon as we have the arity-wise weak-equivalences \operatorname{\mathtt {\Omega }}^*_{\sharp }(\operatorname{{P}})(r)\sim \operatorname{\mathtt {\Omega }}^*(\operatorname{{P}}(r)) for our operadic upgrading of the Sullivan functor \operatorname{\mathtt {\Om...
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10.1515/gmj-2018-0061
1805.00530
The extended rational homotopy theory of operads
[ "Benoit Fresse" ]
[ "math.AT" ]
2,018
en
Mathematics
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dbf51808fc305066dbf0620fdee2bdb4ce6bdf53
subsection
7
70
Introduction
We address this subject in the fourth section of the paper.Finally, we outline the applications of our constructions to the study of the framed little discs operads in the concluding section of the paper.
{ "cite_spans": [] }
10.1515/gmj-2018-0061
1805.00530
The extended rational homotopy theory of operads
[ "Benoit Fresse" ]
[ "math.AT" ]
2,018
en
Mathematics
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d6dc05cc496da3025696b935601a36b67dc06c08
subsection
8
70
The model category of cochain dg-cooperads
We explain the definition of our category of Hopf cochain dg-cooperads with full details in this section. We also check that this category inherits a model structure. In a preliminary step, we review the general definition of a cooperad.
{ "cite_spans": [] }
10.1515/gmj-2018-0061
1805.00530
The extended rational homotopy theory of operads
[ "Benoit Fresse" ]
[ "math.AT" ]
2,018
en
Mathematics
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fbde8e5e7519bfda1b8040c5134308088a29fe8a
subsection
9
70
The general definition of a cooperad
Briefly recall that a cooperad \operatorname{{C}} in a symmetric monoidal category \operatorname{\mathcal {C}} consists of a collection of objects \operatorname{{C}}(r)\in \operatorname{\mathcal {C}}, r>0, together with an action of the symmetric group on r letters on \operatorname{{C}}(r) for each r>0, a counit morphi...
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10.1515/gmj-2018-0061
1805.00530
The extended rational homotopy theory of operads
[ "Benoit Fresse" ]
[ "math.AT" ]
2,018
en
Mathematics
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c7c8564765b9480202c11c88a6ba9569c524544d
subsection
10
70
The general definition of a cooperad
In our subsequent formulas, we also use the identity \operatorname{\mathbb {1}}= \operatorname{\mathbb {Q}} for the unit object of these categories \operatorname{\mathcal {C}}= \operatorname{\mathit {dg}}^*\operatorname{\mathcal {M}\mathit {od}},\operatorname{\mathit {dg}}^*\operatorname{\mathcal {C}\mathit {om}}.Let \...
{ "cite_spans": [] }
10.1515/gmj-2018-0061
1805.00530
The extended rational homotopy theory of operads
[ "Benoit Fresse" ]
[ "math.AT" ]
2,018
en
Mathematics
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b7057f16937b97eda987431ebca0215a0b53cf8e
subsection
11
70
The general definition of a cooperad
We use the notation \operatorname{\mathcal {O}\mathit {p}}_0^c = \operatorname{\mathcal {C}}\operatorname{\mathcal {O}\mathit {p}}_0^c for this category of conilpotent cooperads in \operatorname{\mathcal {C}}, where we assume that the morphisms \phi : \operatorname{{C}}\rightarrow \operatorname{{D}} preserve all struct...
{ "cite_spans": [] }
10.1515/gmj-2018-0061
1805.00530
The extended rational homotopy theory of operads
[ "Benoit Fresse" ]
[ "math.AT" ]
2,018
en
Mathematics
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2570b26e5d38ba13c8c9f342ed908b55658ee2ee
subsection
12
70
The definition of cofree cooperads
In our subsequent constructions, we notably use the conilpotence condition when we define cofree objects in \operatorname{\mathcal {C}}\operatorname{\mathcal {O}\mathit {p}}_0^c. To be explicit, let \operatorname{\mathcal {S}\mathit {eq}}_{>0}^c = \operatorname{\mathcal {C}}\operatorname{\mathcal {S}\mathit {eq}}_{>0}^...
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10.1515/gmj-2018-0061
1805.00530
The extended rational homotopy theory of operads
[ "Benoit Fresse" ]
[ "math.AT" ]
2,018
en
Mathematics
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34d052c3e1c2cf318f4f113eb630613f86104e80
subsection
13
70
The definition of cofree cooperads
Let us mention that we assume by convention r_v>0 for each vertex v in the definition of a tree \operatorname{\underline{\mathsf {T}}}, because our symmetric sequences \operatorname{{N}}= \lbrace \operatorname{{N}}(r),r>0\rbrace are only defined in arity r>0. The counit morphism associated to the cofree cooperad \eta ...
{ "cite_spans": [] }
10.1515/gmj-2018-0061
1805.00530
The extended rational homotopy theory of operads
[ "Benoit Fresse" ]
[ "math.AT" ]
2,018
en
Mathematics
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cac30dcf22111a155d8ef2b102d0d951d48cc13f
subsection
14
70
The definition of cofree cooperads
The unit morphism of this adjunction \rho : \operatorname{{C}}\rightarrow \operatorname{\mathbb {F}}^c(\bar{\operatorname{{C}}}) is the morphism given by the reduced treewise composition coproducts of our cooperad \bar{\rho }_{\operatorname{\underline{\mathsf {T}}}}: \bar{\operatorname{{C}}}(r)\rightarrow \operatorname...
{ "cite_spans": [] }
10.1515/gmj-2018-0061
1805.00530
The extended rational homotopy theory of operads
[ "Benoit Fresse" ]
[ "math.AT" ]
2,018
en
Mathematics
[ -0.0025630774907767773, 0.03768334165215492, -0.04186359792947769, 0.01853654347360134, -0.031168853864073753, -0.05846257880330086, 0.00028129012207500637, 0.0559605248272419, 0.0004643670981749892, 0.006213174667209387, -0.04390795901417732, -0.015454746782779694, -0.020443594083189964, ...
4b686203d9ae5f3d6cd442c02bc063e34b0bbfe4
subsection
15
70
The model category of cooperads in cochain graded dg-modules
The category of cochain graded dg-modules \operatorname{\mathit {dg}}^*\operatorname{\mathcal {M}\mathit {od}} consists of the non-negatively upper graded modules K = \oplus _{n\in \operatorname{\mathbb {N}}} K^n equipped with a differential \delta : K\rightarrow K which raises degrees by one. We equip this category \o...
{ "cite_spans": [] }
10.1515/gmj-2018-0061
1805.00530
The extended rational homotopy theory of operads
[ "Benoit Fresse" ]
[ "math.AT" ]
2,018
en
Mathematics
[ -0.03989192098379135, -0.03757226839661598, -0.04547739773988724, -0.03500844165682793, 0.005623631179332733, -0.00563889229670167, 0.0052154031582176685, 0.02873622253537178, -0.032383572310209274, 0.03137635439634323, -0.046240441501140594, 0.009003914892673492, -0.00008643853652756661, ...
4fe67446f0ab5eb1709dbabb443f642dbb8475af
subsection
16
70
The model category of cooperads in cochain graded dg-modules
We explicitly assume that a morphism of cochain dg-cooperads is:a weak-equivalence \phi : \operatorname{{C}}\xrightarrow{}\operatorname{{D}} if this morphism defines a weak-equivalence of cochain graded dg-modules \phi : \operatorname{{C}}(r)\xrightarrow{}\operatorname{{D}}(r) in each arity r>0 (thus, if this morphism ...
{ "cite_spans": [ { "arxiv_id": "", "doi": "", "end": 1707, "openalex_id": "", "raw": "Benoit Fresse. Homotopy of operads and Grothendieck-Teichmüller groups. Part 2, volume 217 of Mathematical Surveys and Monographs. American Mathematical Society, Providence, RI, 2017. The applicati...
10.1515/gmj-2018-0061
1805.00530
The extended rational homotopy theory of operads
[ "Benoit Fresse" ]
[ "math.AT" ]
2,018
en
Mathematics
[ 0.01406133733689785, -0.015640662983059883, -0.01599162444472313, -0.022812478244304657, 0.00038195642991922796, -0.027848009020090103, 0.0062410058453679085, 0.01702924817800522, -0.010147356428205967, 0.03344812989234924, -0.018494129180908203, -0.019455458968877792, 0.01173431146889925, ...
69318b32f2b9a82dacde9b7d0712904e922d190e
subsection
17
70
The model category of cooperads in cochain graded dg-modules
If i: \operatorname{{C}}\hookrightarrow \operatorname{{D}} is also a weak-equivalence, then we can pick such a subcooperad \operatorname{{K}}\subset \operatorname{{D}} so that the morphism i_{\operatorname{{K}}\cap \operatorname{{C}}}: \operatorname{{K}}\cap \operatorname{{C}}\hookrightarrow \operatorname{{K}} is a wea...
{ "cite_spans": [ { "arxiv_id": "", "doi": "", "end": 349, "openalex_id": "", "raw": "Benoit Fresse. Homotopy of operads and Grothendieck-Teichmüller groups. Part 2, volume 217 of Mathematical Surveys and Monographs. American Mathematical Society, Providence, RI, 2017. The applicatio...
10.1515/gmj-2018-0061
1805.00530
The extended rational homotopy theory of operads
[ "Benoit Fresse" ]
[ "math.AT" ]
2,018
en
Mathematics
[ 0.013554204255342484, 0.025476107373833656, -0.02898479253053665, 0.00477486290037632, -0.004172284621745348, -0.010411642491817474, -0.0002043952263193205, 0.03679542988538742, -0.01951134204864502, 0.052111607044935226, -0.02925938554108143, -0.04420943558216095, -0.01586535945534706, 0....
77725c4fde61ef0f112d0b4ecf8fab85490e8f82
subsection
18
70
The model category of Hopf cochain dg-cooperads
Recall that we call Hopf cochain dg-cooperad the structure defined by a cooperad in the category of commutative cochain dg-algebras, where a commutative cochain dg-algebra consists of a commutative algebra in the category of cochain graded dg-modules. Note that in the case of a Hopf cooperad \operatorname{{A}}, the sec...
{ "cite_spans": [ { "arxiv_id": "", "doi": "", "end": 1756, "openalex_id": "", "raw": "Benoit Fresse. Homotopy of operads and Grothendieck-Teichmüller groups. Part 2, volume 217 of Mathematical Surveys and Monographs. American Mathematical Society, Providence, RI, 2017. The applicati...
10.1515/gmj-2018-0061
1805.00530
The extended rational homotopy theory of operads
[ "Benoit Fresse" ]
[ "math.AT" ]
2,018
en
Mathematics
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c4d9da3c14012ddabb264ae2cb39df1ee9ee32f7
subsection
19
70
The model category of Hopf cochain dg-cooperads
To be explicit, for a cooperad \operatorname{{C}}\in \operatorname{\mathit {dg}}^*\operatorname{\mathcal {O}\mathit {p}}_0^c, we actually have the identity \operatorname{\mathbb {S}}_{\operatorname{\mathcal {O}\mathit {p}}_0^c}(\operatorname{{C}})(1) = \operatorname{\mathbb {S}}(\operatorname{{C}}(1))\otimes _{\operato...
{ "cite_spans": [] }
10.1515/gmj-2018-0061
1805.00530
The extended rational homotopy theory of operads
[ "Benoit Fresse" ]
[ "math.AT" ]
2,018
en
Mathematics
[ 0.00014486942382063717, -0.004948691930621862, -0.04874671250581741, -0.016345562413334846, -0.0007735908147878945, -0.010339980944991112, -0.0006658031488768756, 0.04633532091975212, 0.016269253566861153, 0.025289073586463928, -0.03409522771835327, -0.01677289791405201, 0.024190213531255722...
5daec35573ac305844c7ed6a58e32557024f9185
subsection
20
70
The model category of Hopf cochain dg-cooperads
Furthermore, this category is cofibrantly generated with the morphisms \operatorname{\mathbb {S}}_{\operatorname{\mathcal {O}\mathit {p}}_0^c}(i): \operatorname{\mathbb {S}}_{\operatorname{\mathcal {O}\mathit {p}}_0^c}(\operatorname{{C}})\rightarrow \operatorname{\mathbb {S}}_{\operatorname{\mathcal {O}\mathit {p}}_0^c...
{ "cite_spans": [ { "arxiv_id": "", "doi": "", "end": 936, "openalex_id": "", "raw": "Benoit Fresse. Homotopy of operads and Grothendieck-Teichmüller groups. Part 2, volume 217 of Mathematical Surveys and Monographs. American Mathematical Society, Providence, RI, 2017. The applicatio...
10.1515/gmj-2018-0061
1805.00530
The extended rational homotopy theory of operads
[ "Benoit Fresse" ]
[ "math.AT" ]
2,018
en
Mathematics
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2e43604afca25e6cd7fa7c9a76c6c94138c64b08
subsection
21
70
The model category of Hopf cochain dg-cooperads
This description follows from a straightforward generalization of a result given in in the category of (Hopf) cochain dg-cooperads which reduce to the ground field in arity one.To be more explicit, to carry out our construction, we use the operadic cobar-bar adjunction between the category of dg-cooperads and the cate...
{ "cite_spans": [ { "arxiv_id": "", "doi": "", "end": 178, "openalex_id": "", "raw": "Benoit Fresse. Homotopy of operads and Grothendieck-Teichmüller groups. Part 2, volume 217 of Mathematical Surveys and Monographs. American Mathematical Society, Providence, RI, 2017. The applicatio...
10.1515/gmj-2018-0061
1805.00530
The extended rational homotopy theory of operads
[ "Benoit Fresse" ]
[ "math.AT" ]
2,018
en
Mathematics
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91fb5f007a61259c3245aa3620fc418e9151a008
subsection
22
70
The model category of Hopf cochain dg-cooperads
(We just need to consider a filtration by the grading of the bar construction \operatorname{\mathtt {B}}(\operatorname{{C}}), rather than the filtration by the arity in the proof of the general proposition  which we use to establish our result in this reference.)Let now \operatorname{{P}}= \operatorname{\mathtt {B}}^c(...
{ "cite_spans": [ { "arxiv_id": "", "doi": "", "end": 263, "openalex_id": "", "raw": "Benoit Fresse. Homotopy of operads and Grothendieck-Teichmüller groups. Part 2, volume 217 of Mathematical Surveys and Monographs. American Mathematical Society, Providence, RI, 2017. The applicatio...
10.1515/gmj-2018-0061
1805.00530
The extended rational homotopy theory of operads
[ "Benoit Fresse" ]
[ "math.AT" ]
2,018
en
Mathematics
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6fdbb28ccd744ec6e417e9a416270c4f21124ad4
subsection
23
70
The model category of Hopf cochain dg-cooperads
Let \operatorname{{P}}^{\bullet } = \operatorname{\mathtt {B}}^c(\operatorname{{C}}^{\bullet }) denote the image of this cosimplicial cochain dg-cooperad under the operadic cobar construction \operatorname{\mathtt {B}}^c(-).The object \operatorname{\mathtt {B}}(\operatorname{{P}}^{\bullet })^{\Delta ^{\bullet }} = \ope...
{ "cite_spans": [] }
10.1515/gmj-2018-0061
1805.00530
The extended rational homotopy theory of operads
[ "Benoit Fresse" ]
[ "math.AT" ]
2,018
en
Mathematics
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e41036e08c167a65466a3656a4b82529bebc0ce9
subsection
24
70
The model category of Hopf cochain dg-cooperads
For such an object \operatorname{{K}}^{\bullet } = \operatorname{\mathtt {B}}\operatorname{\mathtt {B}}^c(\operatorname{{C}}^{\bullet }), we have a chain of natural weak-equivalences of cochain dg-cooperads \operatorname{\mathtt {Tot}}(\operatorname{\mathtt {B}}\operatorname{\mathtt {B}}^c(\operatorname{{C}}^{\bullet ...
{ "cite_spans": [ { "arxiv_id": "", "doi": "", "end": 955, "openalex_id": "", "raw": "Benoit Fresse. Homotopy of operads and Grothendieck-Teichmüller groups. Part 2, volume 217 of Mathematical Surveys and Monographs. American Mathematical Society, Providence, RI, 2017. The applicatio...
10.1515/gmj-2018-0061
1805.00530
The extended rational homotopy theory of operads
[ "Benoit Fresse" ]
[ "math.AT" ]
2,018
en
Mathematics
[ -0.03539767861366272, 0.0315527580678463, -0.02651774324476719, -0.023771371692419052, 0.0031926569063216448, -0.057673800736665726, 0.04858025908470154, 0.04330112412571907, 0.0036675503943115473, 0.007796643767505884, -0.03338367119431496, -0.03307851776480675, -0.023267868906259537, 0.0...
fd880fdd6e69e2bcb1df2939a55b63fdeb10e120
subsection
25
70
The operadic upgrading of the Sullivan model functor
We now explain the definition of our adjunction \operatorname{\mathtt {G}}: \operatorname{\mathit {dg}}^*\operatorname{\mathcal {H}\mathit {opf}}\operatorname{\mathcal {O}\mathit {p}}_0^c\rightleftarrows \operatorname{\mathit {s}\mathcal {S}\mathit {et}}\operatorname{\mathcal {O}\mathit {p}}_{\varnothing }^{op} :\opera...
{ "cite_spans": [] }
10.1515/gmj-2018-0061
1805.00530
The extended rational homotopy theory of operads
[ "Benoit Fresse" ]
[ "math.AT" ]
2,018
en
Mathematics
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bc5929f96025759a3576e3122b27175cd2a000c1
subsection
26
70
The operadic enhancement of the Sullivan cochain dg-algebra functor
Recall that the functor \operatorname{\mathtt {G}}: \operatorname{\mathit {dg}}^*\operatorname{\mathcal {C}\mathit {om}}\rightarrow \operatorname{\mathit {s}\mathcal {S}\mathit {et}}^{op} is defined by \operatorname{\mathtt {G}}(A) = \operatorname{\mathtt {Mor}}_{\operatorname{\mathit {dg}}^*\operatorname{\mathcal {C}\...
{ "cite_spans": [] }
10.1515/gmj-2018-0061
1805.00530
The extended rational homotopy theory of operads
[ "Benoit Fresse" ]
[ "math.AT" ]
2,018
en
Mathematics
[ -0.023447979241609573, -0.017849145457148552, -0.03304380178451538, -0.03490499407052994, -0.006346362642943859, -0.03337942436337471, -0.01532432995736599, 0.011258691549301147, 0.00003950982500100508, 0.02329542301595211, -0.015957441180944443, -0.009107640944421291, 0.023676814511418343, ...
6975e5c48ad257aa75187c6bc53eda980ba4f402
subsection
27
70
The operadic enhancement of the Sullivan cochain dg-algebra functor
This result implies that the collection \operatorname{\mathtt {G}}(\operatorname{{A}})(r) = \operatorname{\mathtt {Mor}}_{\operatorname{\mathit {dg}}^*\operatorname{\mathcal {C}\mathit {om}}}(\operatorname{{A}}(r),\operatorname{\mathtt {\Omega }}^*(\Delta ^{\bullet })) associated to a Hopf cochain dg-cooperad \operator...
{ "cite_spans": [] }
10.1515/gmj-2018-0061
1805.00530
The extended rational homotopy theory of operads
[ "Benoit Fresse" ]
[ "math.AT" ]
2,018
en
Mathematics
[ -0.0362231507897377, -0.00933806598186493, -0.027815841138362885, 0.0010127682471647859, 0.0045393374748528, -0.02453531138598919, -0.04507295414805412, 0.014373297803103924, 0.011817536316812038, 0.010245933197438717, -0.03744381293654442, -0.01879819855093956, 0.0021685827523469925, 0.00...
d77821af04440aaf694745b0835a9f64961a6563
subsection
28
70
The operadic enhancement of the Sullivan cochain dg-algebra functor
In short, we first set \operatorname{\mathtt {\Omega }}^*_{\sharp }(\operatorname{\mathbb {F}}(\operatorname{{M}})) = \operatorname{\mathbb {F}}^c(\operatorname{\mathtt {\Omega }}^*(\operatorname{{M}})) for a free operad \operatorname{{P}}= \operatorname{\mathbb {F}}(\operatorname{{M}}) generated by a symmetric sequenc...
{ "cite_spans": [ { "arxiv_id": "", "doi": "10.1007/s00014-003-0772-y", "end": 2084, "openalex_id": "https://openalex.org/W2163020918", "raw": "Clemens Berger and Ieke Moerdijk. Axiomatic homotopy theory for operads. Comment. Math. Helv., 78(4):805–831, 2003.", "source_ref_id":...
10.1515/gmj-2018-0061
1805.00530
The extended rational homotopy theory of operads
[ "Benoit Fresse" ]
[ "math.AT" ]
2,018
en
Mathematics
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866c7ef24e33f67d1f1751a01b5324173bc1dc68
subsection
29
70
The operadic enhancement of the Sullivan cochain dg-algebra functor
Then we easily check that:Proposition 2.11 The functors \operatorname{\mathtt {G}}: \operatorname{\mathit {dg}}^*\operatorname{\mathcal {H}\mathit {opf}}\operatorname{\mathcal {O}\mathit {p}}_0^c\rightleftarrows \operatorname{\mathit {s}\mathcal {S}\mathit {et}}\operatorname{\mathcal {O}\mathit {p}}_{\varnothing }^{op...
{ "cite_spans": [ { "arxiv_id": "", "doi": "", "end": 930, "openalex_id": "", "raw": "Benoit Fresse. Homotopy of operads and Grothendieck-Teichmüller groups. Part 2, volume 217 of Mathematical Surveys and Monographs. American Mathematical Society, Providence, RI, 2017. The applicatio...
10.1515/gmj-2018-0061
1805.00530
The extended rational homotopy theory of operads
[ "Benoit Fresse" ]
[ "math.AT" ]
2,018
en
Mathematics
[ -0.05321541056036949, -0.024075090885162354, -0.014097201637923717, -0.046197324991226196, 0.007395691238343716, -0.04024720564484596, 0.0074185761623084545, -0.024593818932771683, 0.01585172303020954, 0.006354420445859432, -0.01601954735815525, -0.015500819310545921, 0.003181024454534054, ...
27136a4b9cc93e781bbd9a13cabcc7ea9545643c
subsection
30
70
The operadic enhancement of the Sullivan cochain dg-algebra functor
We just use that the (acyclic) fibrations of the category of operads in simplicial sets are precisely the operad morphisms which form an (acyclic) fibration in the category of simplicial sets to deduce from this result that our functor \operatorname{\mathtt {G}}: \operatorname{\mathit {dg}}^*\operatorname{\mathcal {H}\...
{ "cite_spans": [] }
10.1515/gmj-2018-0061
1805.00530
The extended rational homotopy theory of operads
[ "Benoit Fresse" ]
[ "math.AT" ]
2,018
en
Mathematics
[ -0.041287124156951904, -0.012541764415800571, -0.03040844015777111, -0.03222409635782242, 0.01772935688495636, -0.03674035146832466, 0.005721608176827431, 0.011221980676054955, 0.02310003899037838, 0.009253747761249542, -0.043240100145339966, -0.014471854083240032, 0.009597043506801128, -0...
9b5404c49e95e87c151f13975ad7597586f8d315
subsection
31
70
The operadic enhancement of the Sullivan cochain dg-algebra functor
We assume that the space \operatorname{{P}}(1) is connected and that the spaces \operatorname{{P}}(r) have a homology with rational coefficients \operatorname{\mathtt {H}}_*(\operatorname{{P}}(r)) = \operatorname{\mathtt {H}}_*(\operatorname{{P}}(r),\operatorname{\mathbb {Q}}) which form a module of finite dimension ov...
{ "cite_spans": [] }
10.1515/gmj-2018-0061
1805.00530
The extended rational homotopy theory of operads
[ "Benoit Fresse" ]
[ "math.AT" ]
2,018
en
Mathematics
[ -0.028748447075486183, -0.0027867224998772144, -0.009506519883871078, -0.016693631187081337, 0.027573484927415848, -0.01805170625448227, 0.018189039081335068, 0.03851437568664551, 0.02182074263691902, 0.023072002455592155, -0.029114671051502228, -0.04242074489593506, 0.02967926301062107, 0...
d729ebe61da96723dae7e4fd01f9a86b370de265
subsection
32
70
The operadic James construction
We consider the category of under-objects \operatorname{{I}}/\operatorname{\mathit {s}\mathcal {S}\mathit {et}}\operatorname{\mathcal {S}\mathit {eq}}_{>0} in the category of symmetric sequences in simplicial sets \operatorname{\mathit {s}\mathcal {S}\mathit {et}}\operatorname{\mathcal {S}\mathit {eq}}_{>0} where \oper...
{ "cite_spans": [] }
10.1515/gmj-2018-0061
1805.00530
The extended rational homotopy theory of operads
[ "Benoit Fresse" ]
[ "math.AT" ]
2,018
en
Mathematics
[ -0.0018649265402927995, 0.0073719448409974575, -0.05177150294184685, 0.022008994594216347, 0.05659455806016922, -0.0173996202647686, -0.015415453352034092, 0.042461179196834564, 0.027869919314980507, 0.014766783453524113, -0.07948879897594452, -0.02263477072119713, 0.008768493309617043, -0...
245a66e453decf48dfb004428e8c02733a74b64b
subsection
33
70
The reduced cotriple resolution of operads
We easily see that the mapping \operatorname{\mathbb {F}}_*: \operatorname{{M}}\mapsto \operatorname{\mathbb {F}}_*(\operatorname{{M}}) defines a left adjoint of the obvious functor \omega _*: \operatorname{\mathit {s}\mathcal {S}\mathit {et}}\operatorname{\mathcal {O}\mathit {p}}_{\varnothing }\rightarrow \operatornam...
{ "cite_spans": [] }
10.1515/gmj-2018-0061
1805.00530
The extended rational homotopy theory of operads
[ "Benoit Fresse" ]
[ "math.AT" ]
2,018
en
Mathematics
[ -0.03692591190338135, 0.016342004761099815, -0.036224015057086945, -0.01109303254634142, 0.020660201087594032, -0.06518492102622986, 0.04437213018536568, 0.05587714537978172, 0.028075899928808212, 0.03601039573550224, -0.02224710024893284, -0.02976961061358452, -0.0018815812654793262, -0.0...
d7e16cec9641312d6b09bdea0e8780a761ca132c
subsection
34
70
The reduced cotriple resolution of operads
The face operators d_i: \operatorname{\mathtt {Res}}_*(\operatorname{{P}})_n\rightarrow \operatorname{\mathtt {Res}}_*(\operatorname{{P}})_{n-1} are defined by applying an adjunction augmentation \lambda : \operatorname{\mathbb {F}}_*\omega _*\rightarrow \operatorname{\mathit {Id}} on the i+1st factor \operatorname{\ma...
{ "cite_spans": [] }
10.1515/gmj-2018-0061
1805.00530
The extended rational homotopy theory of operads
[ "Benoit Fresse" ]
[ "math.AT" ]
2,018
en
Mathematics
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0379b305108f8ce83183c5b215bff781a48bb9ca
subsection
35
70
The reduced cotriple resolution of operads
Furthermore, the augmentation \operatorname{\mathtt {Res}}_*(\operatorname{{P}})_{\bullet }\rightarrow \operatorname{{P}} induces a weak-equivalence |\operatorname{\mathtt {Res}}_*(\operatorname{{P}})_{\bullet }|\xrightarrow{}\operatorname{{P}} when we pass to the geometric realization in \operatorname{\mathit {s}\math...
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10.1515/gmj-2018-0061
1805.00530
The extended rational homotopy theory of operads
[ "Benoit Fresse" ]
[ "math.AT" ]
2,018
en
Mathematics
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73f9a7c608fb227c15a1c1ec7f1ecd57361ae199
subsection
36
70
The reduced cotriple resolution of operads
We rely on the following observation:Proposition 2.16 For the operadic James construction \operatorname{{P}}= \operatorname{\mathbb {F}}_*(\operatorname{{M}}), we have an identity:\operatorname{\mathtt {\Omega }}_{\sharp }^*(\operatorname{\mathbb {F}}_*(\operatorname{{M}})) = \operatorname{\mathbb {F}}^c(\overline{\op...
{ "cite_spans": [] }
10.1515/gmj-2018-0061
1805.00530
The extended rational homotopy theory of operads
[ "Benoit Fresse" ]
[ "math.AT" ]
2,018
en
Mathematics
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3defc01790ec01d41c3acbf61dc4cfb6c1374ea6
subsection
37
70
The reduced cotriple resolution of operads
In fact, we can identify the collection \operatorname{{I}}^c with the final object in the category of Hopf cochain dg-cooperads, and this relation \operatorname{\mathtt {\Omega }}^*_{\sharp }(\operatorname{{I}}) = \operatorname{{I}}^c also follows from the observation that the right adjoint functor \operatorname{\matht...
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10.1515/gmj-2018-0061
1805.00530
The extended rational homotopy theory of operads
[ "Benoit Fresse" ]
[ "math.AT" ]
2,018
en
Mathematics
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32baf7d3d3ce0d6a68398d2d306a14f0307649af
subsection
38
70
The reduced cotriple resolution of operads
The result of the lemma just follows from the observation that the cofree cooperad functor carries the obvious pullback diagram{ \overline{\operatorname{\mathtt {\Omega }}^*(\operatorname{{M}})}@{.>}[d]@{.>}[r] & 0[d] \\ \operatorname{\mathtt {\Omega }}^*(\operatorname{{M}})[r] & \operatorname{\mathtt {\Omega }}^*(\ope...
{ "cite_spans": [] }
10.1515/gmj-2018-0061
1805.00530
The extended rational homotopy theory of operads
[ "Benoit Fresse" ]
[ "math.AT" ]
2,018
en
Mathematics
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b4cd2e4064bafb0b0a9cc039eb335e3d5c4a7efd
subsection
39
70
The reduced cotriple resolution of operads
For the free operad \operatorname{\mathbb {F}}(\operatorname{{M}}) associated to a symmetric collection in simplicial sets \operatorname{{M}}\in \operatorname{\mathit {s}\mathcal {S}\mathit {et}}\operatorname{\mathcal {S}\mathit {eq}}_{>0}, we dually have \operatorname{\mathbb {F}}(\operatorname{{M}}) = \coprod _{[\ope...
{ "cite_spans": [] }
10.1515/gmj-2018-0061
1805.00530
The extended rational homotopy theory of operads
[ "Benoit Fresse" ]
[ "math.AT" ]
2,018
en
Mathematics
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b8ffa882104bc3c98902decbf3fe6e8bcd5dea1d
subsection
40
70
The reduced cotriple resolution of operads
We easily check that the image of such a tensor \alpha = \bigotimes _v\alpha _v\in \operatorname{\mathbb {F}}^c_{\operatorname{\underline{\mathsf {T}}}}(\overline{\operatorname{\mathtt {\Omega }}^*(\operatorname{{M}})}) under our comparison morphism \chi : \operatorname{\mathtt {\Omega }}^*_{\sharp }(\operatorname{\mat...
{ "cite_spans": [] }
10.1515/gmj-2018-0061
1805.00530
The extended rational homotopy theory of operads
[ "Benoit Fresse" ]
[ "math.AT" ]
2,018
en
Mathematics
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eba5ec1b94b28287f8d86c2e2706de8317042347
subsection
41
70
The reduced cotriple resolution of operads
We have a cofiber sequence of simplicial sets{ \operatorname{\mathbb {F}}^{\le m-1}_*(\operatorname{{M}})(r)[r] & \operatorname{\mathbb {F}}^{\le m}_*(\operatorname{{M}})(r)[r] & \bigvee _{\sharp V(\operatorname{\underline{\mathsf {T}}}) = m}\operatorname{\mathbb {F}}_{\operatorname{\underline{\mathsf {T}}}}^{\wedge }(...
{ "cite_spans": [] }
10.1515/gmj-2018-0061
1805.00530
The extended rational homotopy theory of operads
[ "Benoit Fresse" ]
[ "math.AT" ]
2,018
en
Mathematics
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eeb40215323870a3e512e2b1b08d02a87e91e430
subsection
42
70
The reduced cotriple resolution of operads
We see that our comparison morphism arises as the limit of a tower of comparison maps \chi : \operatorname{\mathbb {F}}^c_{\le m}(\overline{\operatorname{\mathtt {\Omega }}^*(\operatorname{{M}})})(r)\rightarrow \operatorname{\mathtt {\Omega }}^*(\operatorname{\mathbb {F}}^{\le m}_*(\operatorname{{M}})(r)) which fit in ...
{ "cite_spans": [] }
10.1515/gmj-2018-0061
1805.00530
The extended rational homotopy theory of operads
[ "Benoit Fresse" ]
[ "math.AT" ]
2,018
en
Mathematics
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4d2da9914bf15e3d9788f62ab98e153ae4320f44
subsection
43
70
The reduced cotriple resolution of operads
We obtain by induction that the medium vertical map defines a weak-equivalence as well for each m\ge 0.Then the assumption that the simplicial set \operatorname{{M}}(1) is connected implies that the map \operatorname{\mathtt {\Omega }}^*(\operatorname{\mathbb {F}}_*^{\le m}(\operatorname{{M}})(r))\rightarrow \operatorn...
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10.1515/gmj-2018-0061
1805.00530
The extended rational homotopy theory of operads
[ "Benoit Fresse" ]
[ "math.AT" ]
2,018
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Mathematics
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521db0afe779a6b3f4138101b6f87edf0fea0fc8
subsection
44
70
The reduced cotriple resolution of operads
By Quillen adjunction, we can also identify the right-hand side of this formula with the totalization of the cosimplicial object \operatorname{\mathtt {\Omega }}^*_{\sharp }(\operatorname{{R}}_{\bullet }) in the category of Hopf cochain dg-cooperads, and hence, in the category of cochain dg-cooperads since the forgetfu...
{ "cite_spans": [] }
10.1515/gmj-2018-0061
1805.00530
The extended rational homotopy theory of operads
[ "Benoit Fresse" ]
[ "math.AT" ]
2,018
en
Mathematics
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2984a76ee70fc6b6b98e12b22ab2db554be6e226
subsection
45
70
The reduced cotriple resolution of operads
To be explicit, we check that our morphism (1) fits in the following commutative diagram of weak-equivalences when we forget about Hopf structures and we work in the category of cochain dg-cooperads:{ \operatorname{\mathtt {\Omega }}_{\sharp }^*(\operatorname{{P}})[r]^-{\sim }[dd]_-{\sim } & \operatorname{\mathtt {\Ome...
{ "cite_spans": [] }
10.1515/gmj-2018-0061
1805.00530
The extended rational homotopy theory of operads
[ "Benoit Fresse" ]
[ "math.AT" ]
2,018
en
Mathematics
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d77b6f94800d4d59734e5be98654d01d7bbff008
subsection
46
70
The reduced cotriple resolution of operads
The weak-equivalences (4-5) are given by a natural comparison zigzag of totalizations, and the weak-equivalence (6) is given by the result of Theorem REF .The result of Proposition REF implies that the vertical comparison morphism (3) on the right-hand side of our diagram (REF ) is a weak-equivalence too, because the ...
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10.1515/gmj-2018-0061
1805.00530
The extended rational homotopy theory of operads
[ "Benoit Fresse" ]
[ "math.AT" ]
2,018
en
Mathematics
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4feff9a956141b9c026bc3bb24ee6bf7dbc50f32
subsection
47
70
The reduced cotriple resolution of operads
We have a natural one-to-one correspondence between the morphisms of Hopf cochain dg-cooperads\phi _{\sharp }: \operatorname{{A}}\rightarrow \operatorname{\mathtt {\Omega }}_{\sharp }^*(\operatorname{{P}})and the collections of morphisms of unitary commutative cochain dg-algebras\phi : \operatorname{{A}}(r)\rightarrow ...
{ "cite_spans": [ { "arxiv_id": "", "doi": "", "end": 1382, "openalex_id": "", "raw": "Benoit Fresse. Homotopy of operads and Grothendieck-Teichmüller groups. Part 2, volume 217 of Mathematical Surveys and Monographs. American Mathematical Society, Providence, RI, 2017. The applicati...
10.1515/gmj-2018-0061
1805.00530
The extended rational homotopy theory of operads
[ "Benoit Fresse" ]
[ "math.AT" ]
2,018
en
Mathematics
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f1483ad0d3e6898e0c288acd518bd3568079f141
subsection
48
70
The reduced cotriple resolution of operads
Then we use the adjunction relation \operatorname{\mathtt {G}}: \operatorname{\mathit {dg}}^*\operatorname{\mathcal {C}\mathit {om}}\rightleftarrows \operatorname{\mathit {s}\mathcal {S}\mathit {et}}^{op} :\operatorname{\mathtt {\Omega }}^* to associate morphisms of commutative cochain dg-algebras \phi : \operatorname{...
{ "cite_spans": [] }
10.1515/gmj-2018-0061
1805.00530
The extended rational homotopy theory of operads
[ "Benoit Fresse" ]
[ "math.AT" ]
2,018
en
Mathematics
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46eba89f67975698a26f8d202f25006098640643
subsection
49
70
The rational homotopy theory of operads
We explain the consequences of the results of the previous section for the study of the rational homotopy of operads in this section. We actually get the same results as in  in the context of operads that reduce to a one-point set in arity one. We therefore only give a brief overview of the main statements.Recall that ...
{ "cite_spans": [ { "arxiv_id": "", "doi": "", "end": 244, "openalex_id": "", "raw": "Benoit Fresse. Homotopy of operads and Grothendieck-Teichmüller groups. Part 2, volume 217 of Mathematical Surveys and Monographs. American Mathematical Society, Providence, RI, 2017. The applicatio...
10.1515/gmj-2018-0061
1805.00530
The extended rational homotopy theory of operads
[ "Benoit Fresse" ]
[ "math.AT" ]
2,018
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Mathematics
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ca3321de3ee32d93a95611d12813a958c4c4cf36
subsection
50
70
The rational homotopy theory of operads
We have the following result:Theorem 3.19 We assume that the operad \operatorname{{P}} consists of connected simplicial sets \operatorname{{P}}(r) whose homology with rational coefficients \operatorname{\mathtt {H}}_*(\operatorname{{P}}(r)) = \operatorname{\mathtt {H}}_*(\operatorname{{P}}(r),\operatorname{\mathbb {Q}...
{ "cite_spans": [] }
10.1515/gmj-2018-0061
1805.00530
The extended rational homotopy theory of operads
[ "Benoit Fresse" ]
[ "math.AT" ]
2,018
en
Mathematics
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cd7d9b26f609f249d0cff37a8232036538b6ca74
subsection
51
70
The rational homotopy theory of operads
The conclusion follows.For our purpose, we also record the following immediate follow-up of our constructions:Theorem 3.20 Let \operatorname{{P}},\operatorname{{Q}}\in \operatorname{\mathit {s}\mathcal {S}\mathit {et}}\operatorname{\mathcal {O}\mathit {p}}_{\varnothing }. We have a weak-equivalence of simplicial sets:...
{ "cite_spans": [] }
10.1515/gmj-2018-0061
1805.00530
The extended rational homotopy theory of operads
[ "Benoit Fresse" ]
[ "math.AT" ]
2,018
en
Mathematics
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b631dcc615cf0381faf92a765e6b1e76b459ff4b
subsection
52
70
The extension to unitary operads
Recall that we use the notation \Lambda for the category which has the finite ordinals \operatorname{\underline{\mathsf {r}}}= \lbrace 1<\dots ,r\rbrace and all injective maps (not necessarily monotoneous) between such ordinals as morphisms. In what follows, we also consider the full subcategory \Lambda _{>0}\subset \...
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10.1515/gmj-2018-0061
1805.00530
The extended rational homotopy theory of operads
[ "Benoit Fresse" ]
[ "math.AT" ]
2,018
en
Mathematics
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b0ed990bc701e9f995740296f4263c8702c04967
subsection
53
70
The extension to unitary operads
The augmentation map \epsilon : \operatorname{{P}}(r)\rightarrow \operatorname{\mathit {pt}} (which is just trivial in our context) can be identified with the composition operation \epsilon (p) = p(*,\dots ,*) where we put the arity zero element *\in \operatorname{{P}}_+(0) at all positions. This correspondence implies...
{ "cite_spans": [ { "arxiv_id": "", "doi": "", "end": 1002, "openalex_id": "", "raw": "Benoit Fresse. Homotopy of operads and Grothendieck-Teichmüller groups. Part 2, volume 217 of Mathematical Surveys and Monographs. American Mathematical Society, Providence, RI, 2017. The applicati...
10.1515/gmj-2018-0061
1805.00530
The extended rational homotopy theory of operads
[ "Benoit Fresse" ]
[ "math.AT" ]
2,018
en
Mathematics
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94bee113b9c11e9d38658d7903f9e9d0dbf32d84
subsection
54
70
The model category of cochain dg-
For our purpose, a cochain dg-\Lambda -cooperad consists of a (conilpotent) cooperad in cochain graded dg-modules \operatorname{{C}}, in the sense of §REF , together with corestriction operators u_*: \operatorname{{C}}(k)\rightarrow \operatorname{{C}}(l), associated to the injective maps u: \lbrace 1<\dots <k\rbrace \r...
{ "cite_spans": [ { "arxiv_id": "", "doi": "", "end": 717, "openalex_id": "", "raw": "Benoit Fresse. Homotopy of operads and Grothendieck-Teichmüller groups. Part 2, volume 217 of Mathematical Surveys and Monographs. American Mathematical Society, Providence, RI, 2017. The applicatio...
10.1515/gmj-2018-0061
1805.00530
The extended rational homotopy theory of operads
[ "Benoit Fresse" ]
[ "math.AT" ]
2,018
en
Mathematics
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a6be0a3629afd0bcce7ebaf5e6664dc1b3cf4f6c
subsection
55
70
The model category of cochain dg-
Let us mention that we use an analogue of this category of \Lambda -cooperads in the category of general (unbounded) dg-modules as an auxiliary category in the paper .We have an obvious forgetful functor \omega : \operatorname{{Com}}^c/\operatorname{\mathit {dg}}^*\Lambda \operatorname{\mathcal {O}\mathit {p}}_0^c\righ...
{ "cite_spans": [ { "arxiv_id": "", "doi": "", "end": 167, "openalex_id": "", "raw": "Benoit Fresse, Victor Turchin, and Thomas Willwacher. The rational homotopy of mapping spaces of {E}_n operads. Preprint arXiv:1703.06123, 2017.", "source_ref_id": "3e32db14784427d34f08209bfbf...
10.1515/gmj-2018-0061
1805.00530
The extended rational homotopy theory of operads
[ "Benoit Fresse" ]
[ "math.AT" ]
2,018
en
Mathematics
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b47c1c17cad5c6edbe68d5c8d2eda79ee0ffad45
subsection
56
70
The model category of cochain dg-
(In particular, we still get that a morphism of cochain dg-\Lambda -cooperads is a weak-equivalence \phi : \operatorname{{C}}\xrightarrow{}\operatorname{{D}} if this morphism induces an isomorphism in cohomology.) We define the class of cofibrations of cochain dg-\Lambda -cooperads as the class of morphisms which have ...
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10.1515/gmj-2018-0061
1805.00530
The extended rational homotopy theory of operads
[ "Benoit Fresse" ]
[ "math.AT" ]
2,018
en
Mathematics
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b8e9210a2a577121d1f7e1e7ff9c4798e14fac4e
subsection
57
70
The model category of Hopf cochain dg-
We define our category of Hopf cochain dg-\Lambda -cooperads by an obvious extension, in the category of commutative cochain dg-coalgebras, of our notion of a cochain dg-\Lambda -cooperad. Thus, we assume that a Hopf cochain dg-\Lambda -cooperad \operatorname{{A}} is a Hopf cochain dg-cooperad in the sense of §REF equ...
{ "cite_spans": [ { "arxiv_id": "", "doi": "", "end": 1469, "openalex_id": "", "raw": "Benoit Fresse. Homotopy of operads and Grothendieck-Teichmüller groups. Part 2, volume 217 of Mathematical Surveys and Monographs. American Mathematical Society, Providence, RI, 2017. The applicati...
10.1515/gmj-2018-0061
1805.00530
The extended rational homotopy theory of operads
[ "Benoit Fresse" ]
[ "math.AT" ]
2,018
en
Mathematics
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b8078564ff6f83beea86787a3041d5b189e0b4e7
subsection
58
70
The model category of Hopf cochain dg-
We also use an analogue of this category of Hopf \Lambda -cooperads in the category of general (unbounded) dg-modules in the paper .We have a commutative square of forgetful and adjoint functors that relate the category of Hopf cochain dg-\Lambda -cooperads \operatorname{\mathit {dg}}^*\operatorname{\mathcal {H}\mathit...
{ "cite_spans": [ { "arxiv_id": "", "doi": "", "end": 132, "openalex_id": "", "raw": "Benoit Fresse, Victor Turchin, and Thomas Willwacher. The rational homotopy of mapping spaces of {E}_n operads. Preprint arXiv:1703.06123, 2017.", "source_ref_id": "3e32db14784427d34f08209bfbf...
10.1515/gmj-2018-0061
1805.00530
The extended rational homotopy theory of operads
[ "Benoit Fresse" ]
[ "math.AT" ]
2,018
en
Mathematics
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50f402c54599fa7125a60e638b1f1e6514693c46
subsection
59
70
The model category of Hopf cochain dg-
We already explained that the functor \operatorname{{Com}}^c/\Lambda \otimes _{\Sigma }-: \operatorname{\mathcal {C}\mathit {om}}^c/\operatorname{\mathit {dg}}^*\operatorname{\mathcal {O}\mathit {p}}_0^c\rightarrow \operatorname{\mathcal {C}\mathit {om}}^c/\operatorname{\mathit {dg}}^*\Lambda \operatorname{\mathcal {O}...
{ "cite_spans": [] }
10.1515/gmj-2018-0061
1805.00530
The extended rational homotopy theory of operads
[ "Benoit Fresse" ]
[ "math.AT" ]
2,018
en
Mathematics
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439bab08e94b8951ad0356925a776cf77c486f37
subsection
60
70
The model category of Hopf cochain dg-
We just check that this Hopf cooperad \operatorname{{Com}}^c/\operatorname{\mathbb {S}}(\operatorname{{C}})(r) = \operatorname{\mathbb {S}}(\operatorname{{C}}(r))\otimes _{\operatorname{\mathbb {S}}(\operatorname{\mathbb {Q}})}\operatorname{\mathbb {Q}} inherits a natural Hopf \Lambda -cooperad structure when we assume...
{ "cite_spans": [ { "arxiv_id": "", "doi": "", "end": 569, "openalex_id": "", "raw": "Benoit Fresse. Homotopy of operads and Grothendieck-Teichmüller groups. Part 2, volume 217 of Mathematical Surveys and Monographs. American Mathematical Society, Providence, RI, 2017. The applicatio...
10.1515/gmj-2018-0061
1805.00530
The extended rational homotopy theory of operads
[ "Benoit Fresse" ]
[ "math.AT" ]
2,018
en
Mathematics
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506ab19edea61ff3d53a6e6cb6a4f1bdb317f12e
subsection
61
70
The model category of Hopf cochain dg-
The proof of the validity of the definition of this cofibrantly generated model structure on our category of Hopf cochain dg-\Lambda -cooperads \operatorname{\mathit {dg}}^*\operatorname{\mathcal {H}\mathit {opf}}\Lambda \operatorname{\mathcal {O}\mathit {p}}_0^c follows again from an immediate extension of the verific...
{ "cite_spans": [ { "arxiv_id": "", "doi": "", "end": 331, "openalex_id": "", "raw": "Benoit Fresse. Homotopy of operads and Grothendieck-Teichmüller groups. Part 2, volume 217 of Mathematical Surveys and Monographs. American Mathematical Society, Providence, RI, 2017. The applicatio...
10.1515/gmj-2018-0061
1805.00530
The extended rational homotopy theory of operads
[ "Benoit Fresse" ]
[ "math.AT" ]
2,018
en
Mathematics
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04634c4b591ce7c10a47ce297ef25ad8fbfe1a96
subsection
62
70
The model category of Hopf cochain dg-
We accordingly get that the functor \operatorname{\mathtt {G}}: \operatorname{\mathit {dg}}^*\operatorname{\mathcal {H}\mathit {opf}}\operatorname{\mathcal {O}\mathit {p}}_0^c\rightarrow \operatorname{\mathit {s}\mathcal {S}\mathit {et}}\operatorname{\mathcal {O}\mathit {p}}_{\varnothing }^{op} of § admits an extension...
{ "cite_spans": [] }
10.1515/gmj-2018-0061
1805.00530
The extended rational homotopy theory of operads
[ "Benoit Fresse" ]
[ "math.AT" ]
2,018
en
Mathematics
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e90da0f2aea6852fc0424feb48168c12e7533661
subsection
63
70
The model category of Hopf cochain dg-
We have in particular \operatorname{\mathtt {\Omega }}^*_{\sharp }(\operatorname{\mathbb {F}}(\operatorname{{M}})) = \operatorname{\mathbb {F}}^c(\operatorname{\mathtt {\Omega }}^*(\operatorname{{M}})) when \operatorname{{P}}= \operatorname{\mathbb {F}}(\operatorname{{M}}) is a free object of the category of \Lambda -o...
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10.1515/gmj-2018-0061
1805.00530
The extended rational homotopy theory of operads
[ "Benoit Fresse" ]
[ "math.AT" ]
2,018
en
Mathematics
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eafc6794de12c443fc658ef2805091e929435337
subsection
64
70
The model category of Hopf cochain dg-
We have the following observation:Proposition 4.24 The adjunction \operatorname{\mathtt {G}}: \operatorname{\mathit {dg}}^*\operatorname{\mathcal {H}\mathit {opf}}\Lambda \operatorname{\mathcal {O}\mathit {p}}_0^c\rightleftarrows \operatorname{\mathit {s}\mathcal {S}\mathit {et}}\Lambda \operatorname{\mathcal {O}\math...
{ "cite_spans": [] }
10.1515/gmj-2018-0061
1805.00530
The extended rational homotopy theory of operads
[ "Benoit Fresse" ]
[ "math.AT" ]
2,018
en
Mathematics
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502decb752cabd9439c031f31a95933006ce9152
subsection
65
70
The model category of Hopf cochain dg-
Note simply that the observation that the functor \operatorname{\mathtt {\Omega }}^*_{\sharp }: \operatorname{\mathit {s}\mathcal {S}\mathit {et}}\Lambda \operatorname{\mathcal {O}\mathit {p}}_{\varnothing }^{op}\rightarrow \operatorname{\mathit {dg}}^*\operatorname{\mathcal {H}\mathit {opf}}\Lambda \operatorname{\math...
{ "cite_spans": [] }
10.1515/gmj-2018-0061
1805.00530
The extended rational homotopy theory of operads
[ "Benoit Fresse" ]
[ "math.AT" ]
2,018
en
Mathematics
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91b5dfe9856262bfd82bb81198fcfb59046dc47b
subsection
66
70
The model category of Hopf cochain dg-
In particular, if we assume that \operatorname{{P}} is a cofibrant \Lambda -operad in simplicial sets associated to a unitary operad \operatorname{{P}}_+\in \operatorname{\mathit {s}\mathcal {S}\mathit {et}}\operatorname{\mathcal {O}\mathit {p}}_* which fulfills the assumptions of Theorem REF , then we get that the obj...
{ "cite_spans": [] }
10.1515/gmj-2018-0061
1805.00530
The extended rational homotopy theory of operads
[ "Benoit Fresse" ]
[ "math.AT" ]
2,018
en
Mathematics
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02c6dda929eb3b073f31c5ef462d56d947f65386
subsection
67
70
The model category of Hopf cochain dg-
Note simply that the derived mapping spaces of objects \operatorname{{P}}_+,\operatorname{{Q}}_+\in \operatorname{\mathit {s}\mathcal {S}\mathit {et}}\operatorname{\mathcal {O}\mathit {p}}_* computed in the category of unitary operads \operatorname{\mathit {s}\mathcal {S}\mathit {et}}\operatorname{\mathcal {O}\mathit {...
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10.1515/gmj-2018-0061
1805.00530
The extended rational homotopy theory of operads
[ "Benoit Fresse" ]
[ "math.AT" ]
2,018
en
Mathematics
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9d7f894fa18cdba8038d4c68f8a0302bd48d59cd
subsection
68
70
The applications to the framed little discs operads
Recall that the framed little n-discs operad \operatorname{{D}}_n^{fr} consists of the spaces of little discs embeddings c_i: \operatorname{\mathbb {D}}^n\hookrightarrow \operatorname{\mathbb {D}}^n, i = 1,\dots ,r, of the form c_i(v) = \lambda _i\cdot \rho _i(v) + a_i, where \lambda _i\in \operatorname{\mathbb {R}}_{>...
{ "cite_spans": [ { "arxiv_id": "", "doi": "", "end": 1064, "openalex_id": "", "raw": "Anton Khoroshkin and Thomas Willwacher. Real models for the framed little n-disks operads. Preprint arXiv:1705.08108, 2017.", "source_ref_id": "4bbf962c12b33fed885cf405ae2b512623cabffd", ...
10.1515/gmj-2018-0061
1805.00530
The extended rational homotopy theory of operads
[ "Benoit Fresse" ]
[ "math.AT" ]
2,018
en
Mathematics
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617536abdb96f5b5df8221c205c80ab57c416d36
subsection
69
70
The applications to the framed little discs operads
We conclude from this result that the operad <\operatorname{\mathtt {H}}^*(\operatorname{{D}}_n^{fr})> = |\operatorname{\mathtt {L}}\operatorname{\mathtt {G}}(\operatorname{\mathtt {H}}^*(\operatorname{{D}}_n^{fr}))| where we consider the geometric realization functor |-| and the left adjoint functor \operatorname{\mat...
{ "cite_spans": [] }
10.1515/gmj-2018-0061
1805.00530
The extended rational homotopy theory of operads
[ "Benoit Fresse" ]
[ "math.AT" ]
2,018
en
Mathematics
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a79221921a048c262a768688942660d99710d0e6
abstract
0
5
Abstract
Accessible epidemiological data are of great value for emergency preparedness and response, understanding disease progression through a population, and building statistical and mechanistic disease models that enable forecasting. The status quo, however, renders acquiring and using such data difficult in practice. In ma...
{ "cite_spans": [] }
10.3389/fpubh.2018.00336
1805.00445
Epidemiological data challenges: planning for a more robust future through data standards
[ "Geoffrey Fairchild", "Byron Tasseff", "Hari Khalsa", "Nicholas Generous", "Ashlynn R. Daughton", "Nileena Velappan", "Reid Priedhorsky", "Alina Deshpande" ]
[ "cs.CY", "cs.IR" ]
2,018
en
Computer Science
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3908607da6012c3c0d47550a74bcab82f1366d17
subsection
1
5
Introduction
At the heart of disease surveillance and modeling are epidemiological data. These data are generally presented as a time series of cases, T, for a geographic region, G, and for a demographic, D. The type of cases presented may vary depending on the context. For example, T may be a time series of confirmed or suspected ...
{ "cite_spans": [] }
10.3389/fpubh.2018.00336
1805.00445
Epidemiological data challenges: planning for a more robust future through data standards
[ "Geoffrey Fairchild", "Byron Tasseff", "Hari Khalsa", "Nicholas Generous", "Ashlynn R. Daughton", "Nileena Velappan", "Reid Priedhorsky", "Alina Deshpande" ]
[ "cs.CY", "cs.IR" ]
2,018
en
Computer Science
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e0890b7e20244fcf8d3c8f51f923224c72d66ffc
subsection
2
5
Introduction
Compounding these issues, formats can change over time (e.g., renaming or reordering spreadsheet columns). More broadly, these challenges are closely tied to schema, data model, and vocabulary standardization.Finally, there are differences among institutions in their reporting habits; even within a single institution, ...
{ "cite_spans": [] }
10.3389/fpubh.2018.00336
1805.00445
Epidemiological data challenges: planning for a more robust future through data standards
[ "Geoffrey Fairchild", "Byron Tasseff", "Hari Khalsa", "Nicholas Generous", "Ashlynn R. Daughton", "Nileena Velappan", "Reid Priedhorsky", "Alina Deshpande" ]
[ "cs.CY", "cs.IR" ]
2,018
en
Computer Science
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90dd39b798b5e53f974d208d97ae02494aafb2af
subsection
3
5
Interface challenges
The interface is the mechanism by which data are presented to a user for consumption.Epidemiological data repositories implementing current best practices provide an interactive web-based searching and filtering interface that enables users to easily export desired data in a variety of formats. These are generally acco...
{ "cite_spans": [] }
10.3389/fpubh.2018.00336
1805.00445
Epidemiological data challenges: planning for a more robust future through data standards
[ "Geoffrey Fairchild", "Byron Tasseff", "Hari Khalsa", "Nicholas Generous", "Ashlynn R. Daughton", "Nileena Velappan", "Reid Priedhorsky", "Alina Deshpande" ]
[ "cs.CY", "cs.IR" ]
2,018
en
Computer Science
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