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the mechanism of irreversible dynamics in the systems with mixing is analyzed. the procedure of splitting of system on equilibrium subsystems and studying of dynamics of one of them under condition of its interaction with other subsystems in the basis of the approach to the analysis of dynamics of nonequilibrium system... | arxiv:cond-mat/0506091 |
we present the first observation of planet - induced stellar x - ray activity, identified for the hd 179949 system, using chandra / acis - s. the hd 179949 system consists of a close - in giant planet orbiting an f9v star. previous ground - based observations already showed enhancements in ca ii k in phase with the pla... | arxiv:0712.3270 |
the digitization of historical documents is crucial for preserving the cultural heritage of the society. an important step in this process is converting scanned images to text using optical character recognition ( ocr ), which can enable further search, information extraction, etc. unfortunately, this is a hard problem... | arxiv:2409.00527 |
many complex crystals show a flattening or even increasing lattice thermal conductivity at high temperatures, which deviates from the traditional 1 / t decay trend given by conventional phonon theory. in this work, we predict the thermal conductivity of al2o3 that matches with experimental data from room temperature to... | arxiv:2312.11755 |
this paper addresses a full characterization of photon - added coherent states for shape - invariant potentials. main properties are investigated and discussed. a statistical computation of relevant physical quantities is performed, emphasizing the importance of using generalized hypergeometric functions $ _ pf _ q $ a... | arxiv:1703.01629 |
the world is changing at an ever - increasing pace. and it has changed in a much more fundamental way than one would think, primarily because it has become more connected and interdependent than in our entire history. every new product, every new invention can be combined with those that existed before, thereby creatin... | arxiv:1504.03750 |
given a riemannian manifold, weyl ' s law indicates how the spectrum of the laplacian behaves asymptotically. because of that result, there has been a growing interest in finding geometrical bounds compatible with this law. in the case of hypersurfaces, the isoperimetric ratio is a natural geometrical quantity, that al... | arxiv:1706.09189 |
we propose splitnet, a method for decoupling visual perception and policy learning. by incorporating auxiliary tasks and selective learning of portions of the model, we explicitly decompose the learning objectives for visual navigation into perceiving the world and acting on that perception. we show dramatic improvemen... | arxiv:1905.07512 |
order - preserving encryption allows encrypting data, while still enabling efficient range queries on the encrypted data. moreover, it does not require any change to the database management system, because comparison operates on ciphertexts as on plaintexts. this makes order - preserving encryption schemes very suitabl... | arxiv:1802.01138 |
in technology mapping, enumeration of subcircuits or cuts to be replaced by a standard cell is an important step that decides both the quality of the solution and execution speed. in this work, we view cuts as set of edges instead of as set of nodes and based on it, provide a classification of cuts. it is shown that if... | arxiv:1603.07371 |
we study field - driven magnetic domain wall dynamics in garnet strips by large - scale three - dimensional micromagnetic simulations. the domain wall propagation velocity as a function of the applied field exhibits a low - field linear part terminated by a sudden velocity drop at a threshold field magnitude, related t... | arxiv:1705.05642 |
a ( multi ) set of segments in the plane may form a tsp tour, a matching, a tree, or any multigraph. if two segments cross, then we can reduce the total length with the following flip operation. we remove a pair of crossing segments, and insert a pair of non - crossing segments, while keeping the same vertex degrees. t... | arxiv:2307.00853 |
we have analyzed effects of the hyperfine interaction on electric dipole spin resonance when the amplitude of the quantum - dot motion becomes comparable or larger than the quantum dot ' s size. away from the well known small - drive regime, the important role played by transverse nuclear fluctuations leads to a gaussi... | arxiv:1508.06894 |
video question answering ( videoqa ) aims to answer natural language questions according to the given videos. although existing models perform well in the factoid videoqa task, they still face challenges in deep video understanding ( dvu ) task, which focuses on story videos. compared to factoid videos, the most signif... | arxiv:2412.17022 |
due to high data demands of current methods, attention to zero - shot cross - lingual spoken language understanding ( slu ) has grown, as such approaches greatly reduce human annotation effort. however, existing models solely rely on shared parameters, which can only perform implicit alignment across languages. we pres... | arxiv:2204.08325 |
the rapid development of science and technology has been accompanied by an exponential growth in peer - reviewed scientific publications. at the same time, the review of each paper is a laborious process that must be carried out by subject matter experts. thus, providing high - quality reviews of this growing number of... | arxiv:2102.00176 |
in this talk new formulations of the green - - schwarz heterotic strings in $ d $ dimensions that involve commuting spinors, are reviewed. these models are invariant under $ n $ - - extended, world sheet supersymmetry as well as under $ n = 1 $, target space supersymmetry where $ n \ leq d - 2 $ and $ d = 3, 4, 6, 10 $... | arxiv:hep-th/9301055 |
the evolution of stellar disks is of great importance for understanding many aspects of galaxy formation. in this work we perform stellar population synthesis on radially resolved photometry of 564 disk galaxies from the sdss dr5, selected to have both spectra of the central regions and photometry. to explore fully the... | arxiv:astro-ph/0701873 |
we propose a novel particle filter for convolutional - correlation visual trackers. our method uses correlation response maps to estimate likelihood distributions and employs these likelihoods as proposal densities to sample particles. likelihood distributions are more reliable than proposal densities based on target t... | arxiv:2006.06746 |
iw and stars are a subgroup of dwarf novae characterized by repetitive light variations of the intermediate - brightness state with oscillations, which is terminated by brightening. this group of dwarf novae is also known to exhibit a wide variety even within one system in long - term light curves including usual dwarf... | arxiv:1912.07217 |
we study solutions to the $ \ alpha $ - sqg equations, which interpolate between the incompressible euler and surface quasi - geostrophic equations. we extend prior results on existence of bounded patches, proving propagation of $ h ^ k $ - regularity of the patch boundary, $ k \ ge 3 $, for finite time for patches tha... | arxiv:2504.17199 |
recently it has been shown that the wave equations of bosonic higher spin fields in the btz background can be solved exactly. in this work we extend this analysis to fermionic higher spin fields. we solve the wave equations for arbitrary half - integer spin fields in the btz black hole background and obtain exact expre... | arxiv:1202.5831 |
in this review article three promising aspects of top quark production are discussed : the charge asymmetry in top quark pair production, the search for resonant top quark pair production, and electroweak single top quark production. first, an overview of the theoretical predictions of top quark pair and single top qua... | arxiv:1606.02936 |
it is generally accepted that the effective magnetic field acting on a magnetic moment is given by the gradient of the energy with respect to the magnetization. however, in ab initio spin dynamics within the adiabatic approximation, the effective field is also known to be exactly the negative of the constraining field,... | arxiv:2008.12547 |
it is well known that the nunerical solution of time fractional pdes at current stage depends on all preceding time instances. hence, the storage requirement grow linearly as the number of the time steps increases, which poses a significant challenge especially for high - dimensional problems. to the best of our knowle... | arxiv:2211.07620 |
. ai is associated in the popular mind with robotic development, but the main field of practical application has been as an embedded component in areas of software development, which require computational understanding. the starting point in the late 1940s was alan turing ' s question " can computers think? ", and the ... | https://en.wikipedia.org/wiki/Computer_science |
we present a submillimetre survey of seven high - z galaxy clusters ( 0. 64 < z < 1. 0 ) using the submillimetre common - user bolometer array ( scuba ) at 850 and 450 um. the targets, of similar richness and redshift, are selected from the red - sequence cluster survey ( rcs ). we use this sample to investigate the ap... | arxiv:1109.5125 |
within the machian model of the universe the dark energy is identified with the machian energy of collective gravitational interactions of all particles inside the horizon. it is shown that the fine structure constant can be expressed in terms of the observed radiative, baryon and dark energy densities of the universe ... | arxiv:1009.2266 |
training convolutional neural networks ( cnns ) with a strict 1 - lipschitz constraint under the $ l _ { 2 } $ norm is useful for adversarial robustness, interpretable gradients and stable training. 1 - lipschitz cnns are usually designed by enforcing each layer to have an orthogonal jacobian matrix ( for all inputs ) ... | arxiv:2211.08453 |
a useful step towards better interpretation and analysis of the usage patterns is to formalize the semantics of the resources that users are accessing in the web. we focus on this problem and present an approach for the semantic formalization of usage logs, which lays the basis for eective techniques of querying expres... | arxiv:1204.2713 |
in this article we review the standard versions of the central and of the levy - gnedenko limit theorems, and illustrate their application to the convolution of independent random variables associated with the distribution known as q - gaussian. this distribution emerges upon extremisation of the nonadditive entropy, b... | arxiv:0709.4656 |
a measurement of the cross section of top quark pair production in proton - proton collisions recorded with the atlas detector at the lhc at a centre - of - mass energy of 7 tev is reported. the data sample used corresponds to an integrated luminosity of 2. 05 fb ^ - 1. events with an isolated electron or muon and a ta... | arxiv:1205.2067 |
in this letter, we study the problem of accelerating reaching average consensus over connected graphs in a discrete - time communication setting. literature has shown that consensus algorithms can be accelerated by increasing the graph connectivity or optimizing the weights agents place on the information received from... | arxiv:2211.05959 |
in mathematics, the term undefined refers to a value, function, or other expression that cannot be assigned a meaning within a specific formal system. attempting to assign or use an undefined value within a particular formal system, may produce contradictory or meaningless results within that system. in practice, mathe... | https://en.wikipedia.org/wiki/Undefined_(mathematics) |
in this note, generalizing earlier work of nakajima and vasserot, we study the ( equivariant ) cohomology rings of hilbert schemes of certain toric surfaces and establish their connections to fock space and jack polynomials. | arxiv:math/0411255 |
we give combinatorial descriptions of the restrictions to t - fixed points of the classes of structure sheaves of schubert varieties in the t - equivariant k - theory of grassmannians and of maximal isotropic grassmannians of orthogonal and symplectic types. we also give formulas, based on these descriptions, for the h... | arxiv:1302.3009 |
the cosmological constant is estimated by considering the surface tension of supervoids in a void - dominated cosmic fluid by which we can get a possible source of dark energy. looking at voids as bubbles, we define the concept of surface tension which is shown to have an almost constant value for supervoids that are e... | arxiv:1907.12418 |
phased arrays in near - field communication allow the transmitter to focus wireless signals in a small region around the receiver. proper focusing is achieved by carefully tuning the phase shifts and the polarization of the signals transmitted from the phased array. in this paper, we study the impact of polarization on... | arxiv:2205.10243 |
we study the persistent current and the drude weight of a system of spinless fermions, with repulsive interactions and a hopping impurity, on a mesoscopic ring pierced by a magnetic flux, using a density matrix renormalization group algorithm for complex fields. both the luttinger liquid ( ll ) and the charge density w... | arxiv:cond-mat/0506654 |
this paper explores novel approaches for improving the spatial codification for the pooling of local descriptors to solve the semantic segmentation problem. we propose to partition the image into three regions for each object to be described : figure, border and ground. this partition aims at minimizing the influence o... | arxiv:1505.07409 |
we give simple proofs for the hankel determinants of q - exponential polynomials. | arxiv:0901.4698 |
we report on diffraction - limited observations in the far - infrared and sub - millimeter of the cluster b region of serpens ( g3 - g6 cluster ) and of the herbig be star to the south, vv ser. the observations were made with the spitzer mips instrument in fine - scale mode at 70um, in normal mapping mode at 160um ( vv... | arxiv:0902.1469 |
let $ g = ( v, e ) $ be a simple and connected graph. a $ h $ - order invariant of $ g $ based on the path sequence is defined from a set of real numbers $ { f ( x _ { 0 }, x _ { 1 }, \ cdots, x _ { h } ) } $ as $ ^ { h } i _ f ( g ) = \ sum \ limits _ { v _ { 0 } v _ { 1 } v _ { 2 } \ cdots v _ { h } } f \ left ( d _ ... | arxiv:2412.06337 |
in recent years, there has been interest in earth - like exoplanets in the habitable zones of low mass stars ( $ \ sim0. 1 - 0. 6 \, m _ \ odot $ ). furthermore, it has been argued that a large moon may be important for stabilizing conditions on a planet for life. if these two features are combined, then an exoplanet c... | arxiv:1803.01971 |
we illustrate how the conformal ward identities ( cwi ) in momentum space for parity - odd correlators determine the structure of a chiral anomaly interaction, taking the example of the vva ( vector / vector / axial - vector ) and aaa correlators in momentum space. only the conservation and the anomalous wis, together ... | arxiv:2303.10710 |
many dynamic programming algorithms for discrete 0 - 1 optimizationproblems are " pure " in that their recursion equations only use min / max and addition operations, and do not depend on actual input weights. the well - known greedy algorithm of kruskal solves the minimum weight spanning tree problem on $ n $ - vertex... | arxiv:1803.05380 |
we consider the ways in which magnetically hard materials can be used as the working materials in thermomagnetic power generation ( tmg ) cycles in order to expand the area in the magnetisation vs. applied field ( $ m - h $ ) plane available for energy conversion. there are 3 parts to this perspective. first, experimen... | arxiv:2301.08854 |
the present study contributes to the development of an online frmp ( forest road management platform ) that aims to assist in the management of forest road network in a holistic way. this is achieved by the proposed methodology which serves as a database using geoprocessing and geospatial technologies for the handling,... | arxiv:1806.09535 |
we study the magneto - electric ( me ) effect from the viewpoint of the berry phase connection and quantum adiabatic charge transport ( qapt ). the linear response theory for the electronic polarization $ \ vec { p } _ { \ rm { el } } $ can be interpreted in terms of the flux or the fictitious magnetic field related to... | arxiv:cond-mat/0301414 |
two rate code models - - a reconstruction network model and a control model - - of the hippocampal - entorhinal loop are merged. the hippocampal - entorhinal loop plays a double role in the unified model, it is part of a reconstruction network and a controller, too. this double role turns the bottom - up information fl... | arxiv:q-bio/0311030 |
##ius varro ( 116 - 27 bce ), who wrote the encyclopedia nine books of disciplines, which covered nine arts : grammar, rhetoric, logic, arithmetic, geometry, astronomy, musical theory, medicine, and architecture. the disciplines became a model for subsequent roman encyclopedias and varro ' s nine liberal arts were cons... | https://en.wikipedia.org/wiki/History_of_science |
in cross - lingual abstract meaning representation ( amr ) parsing, researchers develop models that project sentences from various languages onto their amrs to capture their essential semantic structures : given a sentence in any language, we aim to capture its core semantic content through concepts connected by manifo... | arxiv:2106.04565 |
formalising the pi - calculus is an illuminating test of the expressiveness of logical frameworks and mechanised metatheory systems, because of the presence of name binding, labelled transitions with name extrusion, bisimulation, and structural congruence. formalisations have been undertaken in a variety of systems, pr... | arxiv:1507.08054 |
given a flag in each of the vertex - transitive tessellations of the euclidean plane by regular polygons, we determine the flag stabilizer under the action of the automorphism group of a regular cover. in so doing we give a presentation of these tilings as quotients of regular ( infinite ) polyhedra. | arxiv:0910.4207 |
with the development of the online education system, personalized education recommendation has played an essential role. in this paper, we focus on developing path recommendation systems that aim to generating and recommending an entire learning path to the given user in each session. noticing that existing approaches ... | arxiv:2306.04234 |
the relationship between natural orbitals, one - body coherences and two - body correlations is explored for bosonic many - body systems of definite parity with two occupied single - particle states. we show that the strength of local two - body correlations at the parity - symmetry center characterizes the number stat... | arxiv:1501.07886 |
shadow tomography is a scalable technique to characterise the quantum state of a quantum computer or quantum simulator. the protocol is based on the transformation of the outcomes of random measurements into the so - called classical shadows, which can later be transformed into samples of expectation values of the obse... | arxiv:2310.17328 |
we investigate the question of electroweak naturalness within the deflected mirage mediation ( dmm ) framework for supersymmetry breaking in the minimal supersymmetric standard model ( mssm ). the class of dmm models considered are nine - parameter theories that fall within the general classification of the 19 - parame... | arxiv:1512.05011 |
a foundational set of findable, accessible, interoperable, and reusable ( fair ) principles were proposed in 2016 as prerequisites for proper data management and stewardship, with the goal of enabling the reusability of scholarly data. the principles were also meant to apply to other digital assets, at a high level, an... | arxiv:2210.08973 |
human - robot collaboration has significant potential in recycling due to the wide variation in the composition of recyclable products. six participants performed a recyclable item sorting task collaborating with a robot arm equipped with a vision system. the effect of three different levels of human involvement or ass... | arxiv:2201.07990 |
computation of persistent homology of simplicial representations such as the rips and the c \ v { e } ch complexes do not efficiently scale to large point clouds. it is, therefore, meaningful to devise approximate representations and evaluate the trade - off between their efficiency and effectiveness. the lazy witness ... | arxiv:2009.13071 |
we apply the direct method of obtaining reductions to the toda hierarchy of equations. the resulting equations form a hierarchy of ordinary differential difference equations, also known as delay - differential equations. such a hierarchy appears to be the first of its kind in the literature. all possible reductions, un... | arxiv:0906.2169 |
in the framework of the lindblad theory for open quantum systems, we determine the degree of quantum decoherence of a harmonic oscillator interacting with a thermal bath. it is found that the system manifests a quantum decoherence which is more and more significant in time. we also calculate the decoherence time and sh... | arxiv:quant-ph/0606222 |
we consider a channel with discrete binary input x that is corrupted by a given continuous noise to produce a continuous - valued output y. a quantizer is then used to quantize the continuous - valued output y to the final binary output z. the goal is to design an optimal quantizer q * and also find the optimal input d... | arxiv:2001.01842 |
coherence has been remaining a key resource for numerous applications of quantum physics ranging from quantum metrology to quantum information. here, we report a theoretical work on how maximally created coherence results in the squeezing of cavity field coupled to a coherently driven single quantum dot. we employ a re... | arxiv:2107.03849 |
while ising - type interactions are ideal for implementing controlled phase flip gates in one - way quantum computing, natural interactions between solid - state qubits are most often described by either the xy or the heisenberg models. we show an efficient way of generating cluster states directly using either the isw... | arxiv:0804.2290 |
shuttling of electrons in single - molecule transistors with magnetic leads in the presence of an external magnetic field is considered theoretically. for a current of partially spin - polarized electrons a shuttle instability is predicted to occur for a finite interval of external magnetic field strengths. the lower c... | arxiv:1507.05813 |
##tyle \ bigcup _ { i \ in { \ mathcal { i } } } a _ { i } = \ { x \ mid ( \ exists i \ in { \ mathcal { i } } ) \ ; x \ in a _ { i } \ } } and i ∈ i a i = { x ( i ∈ i ) x ∈ a i }. { \ displaystyle \ bigcap _ { i \ in { \ mathcal { i } } } a _ { i } = \ { x \ mid ( \ forall i \ in { \ mathcal { i } } ) \ ; x \ in a _ {... | https://en.wikipedia.org/wiki/Set_(mathematics) |
in this paper i explain the reasons that led me to research and conceive a novel technology for dependency parsing, mixing together the strengths of data - driven transition - based and constraint - based approaches. in particular i highlight the problem to infer the reliability of the results of a data - driven transi... | arxiv:1507.05630 |
dust in debris discs is constantly replenished by collisions between larger objects. in this paper, we investigate a method to detect these collisions. we generate models based on recent results on the fomalhaut debris disc, where we simulate a background star transiting behind the disc, due to the proper motion of fom... | arxiv:1402.7227 |
using generative models for inverse graphics is an active area of research. however, most works focus on developing models for supervised and semi - supervised methods. in this paper, we study the problem of unsupervised learning of 3d geometry from single images. our approach is to use a generative model that produces... | arxiv:1911.07937 |
in this work, we present a novel approach for general object segmentation from a monocular image, eliminating the need for manually labeled training data and enabling rapid, straightforward training and adaptation with minimal data. our model initially learns from lidar during the training process, which is subsequentl... | arxiv:2407.08277 |
using the cosmological hydrodynamics simulation horizon - agn, we investigate the spatial distribution of satellite galaxies relative to their central counterpart in the redshift range between 0. 3 and 0. 8. we find that, on average, these satellites tend to be located on the galactic plane of the central object. this ... | arxiv:1512.00400 |
in this work, we obtain sufficient conditions for the ` ` stability " of our recently proposed algorithms, modified - cs ( for noisy measurements ) and least squares cs - residual ( ls - cs ), designed for recursive reconstruction of sparse signal sequences from noisy measurements. by ` ` stability " we mean that the n... | arxiv:1006.4818 |
we investigate the propagation of partially coherent beams in spatially nonlocal nonlinear media with a logarithmic type of nonlinearity. we derive analytical formulas for the evolution of the beam parameters and conditions for the formation of nonlocal incoherent solitons. | arxiv:nlin/0405043 |
large language models ( llms ) show promise for health applications when combined with behavioral sensing data. traditional approaches convert sensor data into text prompts, but this process is prone to errors, computationally expensive, and requires domain expertise. these challenges are particularly acute when proces... | arxiv:2502.07608 |
this paper introduces the new data - dependent multiplier bootstrap for non - parametric analysis of survival data, possibly subject to competing risks. the new resampling procedure includes both the general wild bootstrap and the weird bootstrap as special cases. the data may be subject to independent right - censorin... | arxiv:1507.02838 |
we estimate $ \ dg / \ gamma _ d $, including $ 1 / m _ b $ contributions and part of the next - to - leading order qcd corrections. we find that adding the latter corrections decreases the value of $ \ dg / \ gamma _ d $ computed at the leading order by a factor of almost 2. we also show that under certain conditions ... | arxiv:hep-ph/0112067 |
since the time when the first optical instruments have been invented, an idea that the visible image of an object under observation depends on tools of observation became commonly assumed in physics. a way to formalize it in mathematics is the construction that assigns to an arbitrary object $ a $ in a category $ k $ i... | arxiv:1303.2424 |
the galactic chemical evolution of be and b provides unique information about the origin and history of cosmic rays. the available pop ii data demonstrate that be and b have a galactic source, probably in one or more kinds of spallation processes. however, the data are not unequivocal about the nature of be and b origi... | arxiv:astro-ph/9903367 |
most image - to - image translation methods require a large number of training images, which restricts their applicability. we instead propose manifest : a framework for few - shot image translation that learns a context - aware representation of a target domain from a few images only. to enforce feature consistency, o... | arxiv:2111.13681 |
we calculate the loading efficiency and cooling rates in a bichromatic optical microtrap, where the optical potentials are generated by evanescent waves of cavity fields at a dielectric - vacuum interface. the cavity modified nonconservative dynamic light forces lead to efficient loading of the atoms as well as cooling... | arxiv:quant-ph/0102013 |
an essay on horndeski gravity, how it was formulated in the early 1970s and how it was ' re - discovered ' and widely adopted by cosmologists more than thirty years later. | arxiv:2402.07538 |
retrieval - augmented generation ( rag ), while effective in integrating external knowledge to address the limitations of large language models ( llms ), can be undermined by imperfect retrieval, which may introduce irrelevant, misleading, or even malicious information. despite its importance, previous studies have rar... | arxiv:2410.07176 |
a quaternionic field is a pair $ p = \ { \ alpha, u \ } $ of function $ \ alpha $ and vector field $ u $ given on a 3d riemannian maifold $ \ omega $ with the boundary. the field is said to be harmonic if $ \ nabla \ alpha = { \ rm rot \, } u $ \, in $ \ omega $. the linear space of harmonic fields is not an algebra w.... | arxiv:1611.08523 |
we analyze the effect of planck - scale modified radiation equation of state on the reissner - nodstr \ " om - anti - de sitter black hole inspired by kiselev ' s ansatz. deformed thermodynamic quantities are found, phase transitions and black holes as heat engines are described for the carnot and square cycles. non - ... | arxiv:2110.05396 |
we study how the supersymmetry algebra extension of n = 2 supergravity with central charges describes the nut charge in a duality - covariant way. the stationary bps states of n = 2 supergravity can be embedded in the flat space solution of the timelike reduced theory. upon reduction, the killing superalgebra extension... | arxiv:0908.0121 |
in this paper, we consider the new q - extension of frobenius - euler numbers and polynomials and we derive some interesting identities from the orthogonality type properties for the new q - extension of frobenius - euler polynomials. finally we suggest one open question related to orthogonality of polynomials. | arxiv:1307.1610 |
a long - standing discussion is to what extent patents can be used to monitor trends in innovation activity. this study quantifies the amount and quality of information about actual innovation contained in the patent system, based on 4, 460 swedish innovations ( 1970 - 2015 ) that have been matched to international pat... | arxiv:2210.04102 |
core - collapse explosions of massive stars leave behind neutron stars, with a known diversity that includes the " central compact objects " ( ccos ). typified by the neutron star discovered near the centre of the cas a supernova remnant ( snr ), ccos have been observed to shine only in x - rays. to address their super... | arxiv:2308.13693 |
we define weak units in a semi - monoidal 2 - category $ \ cc $ as cancellable pseudo - idempotents : they are pairs $ ( i, \ alpha ) $ where $ i $ is an object such that tensoring with $ i $ from either side constitutes a biequivalence of $ \ cc $, and $ \ alpha : i \ tensor i \ to i $ is an equivalence in $ \ cc $. w... | arxiv:0907.4553 |
while there have been nearly two dozen of spiral arms detected from planet - forming disks in near - infrared scattered light, none of their substellar drivers have been confirmed. by observing spiral systems in at least two epochs spanning multiple years, and measuring the motion of the spirals, we can distinguish the... | arxiv:2310.15430 |
miniati and bell ( 2011 ) proposed a mechanism for the generation of magnetic seeds that is based the finite resistivity of the low temperature igm in the high redshift universe. in this model, cosmic - ray protons generated by the first generation of galaxies, escape into the intergalactic medium carrying an electric ... | arxiv:1110.4115 |
wide range of investigations into the cosmological model, cosmic expansion ( via bao ), gaussianity of initial conditions and neutrino masses. ( abridged ) | arxiv:1201.2137 |
this paper investigates, from information theoretic grounds, a learning problem based on the principle that any regularity in a given dataset can be exploited to extract compact features from data, i. e., using fewer bits than needed to fully describe the data itself, in order to build meaningful representations of a r... | arxiv:1711.07099 |
we present the results of a numerical benchmark study for the multi - dimensional stellar implicit code ( music ) based on widely applicable two - and three - dimensional compressible hydrodynamics problems relevant to stellar interiors. music is an implicit large eddy simulation code that uses implicit time integratio... | arxiv:1610.10053 |
this work further develops the properties of fractional differential forms. in particular, finite dimensional subspaces of fractional form spaces are considered. an inner product, hodge dual, and covariant derivative are defined. coordinate transformation rules for integral order forms are also computed. matrix order f... | arxiv:math-ph/0301016 |
we investigate the discrete sturm - liouville equations. in the present situation, the right hand side of the equation does not give rise to a positive definite quadratic form and we use instead the left hand side to define such a form. we prove in this paper that this form determines a hilbert space ( such problems ar... | arxiv:1505.06517 |
using the galerkin method, we obtain the unique existence of the weak solution to a time fractional wave problem, and establish some regularity estimates which reveal the singularity structure of the weak solution in time. | arxiv:1705.04809 |
we consider the $ t $ - core of an $ s $ - core partition, when $ s $ and $ t $ are coprime positive integers. olsson has shown that the $ t $ - core of an $ s $ - core is again an $ s $ - core, and we examine certain actions of the affine symmetric group on $ s $ - cores which preserve the $ t $ - core of an $ s $ - c... | arxiv:1007.1071 |
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