text null | inputs dict | prediction null | prediction_agent null | annotation list | annotation_agent null | multi_label bool 1
class | explanation null | id stringlengths 1 5 | metadata null | status stringclasses 2
values | event_timestamp null | metrics null |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
null | {
"abstract": " In layered transition metal dichalcogenides (LTMDCs) that display both charge\ndensity waves (CDWs) and superconductivity, the superconducting state generally\nemerges directly on suppression of the CDW state. Here, however, we report a\ndifferent observation for pressurized TaTe2, a non-superconduct... | null | null | null | null | true | null | 18001 | null | Default | null | null |
null | {
"abstract": " We consider the problem of zero distribution of the first kind\nHermite--Padé polynomials associated with a vector function $\\vec f = (f_1,\n\\dots, f_s)$ whose components $f_k$ are functions with a finite number of\nbranch points in plane. We assume that branch sets of component functions are\nwell... | null | null | null | null | true | null | 18002 | null | Default | null | null |
null | {
"abstract": " We have discovered two novel types of planar defects that appear in\nheteroepitaxial YBa$_2$Cu$_3$O$_{7-\\delta}$ (YBCO123) thin films, grown by\npulsed-laser deposition (PLD) either with or without a\nLa$_{2/3}$Ca$_{1/3}$MnO$_3$ (LCMO) overlayer, using the combination of\nhigh-angle annular dark-fie... | null | null | null | null | true | null | 18003 | null | Default | null | null |
null | {
"abstract": " Our manuscript investigates a self-consistent solution of the statistical\natom model proposed by Berthold-Georg Englert and Julian Schwinger (the ES\nmodel) and benchmarks it against atomic Kohn-Sham and two orbital-free models\nof the Thomas-Fermi-Dirac (TFD)-$\\lambda$vW family. Results show that ... | null | null | null | null | true | null | 18004 | null | Default | null | null |
null | {
"abstract": " We examine in this article the pricing of target volatility options in the\nlognormal fractional SABR model. A decomposition formula by Ito's calculus\nyields a theoretical replicating strategy for the target volatility option,\nassuming the accessibilities of all variance swaps and swaptions. The sa... | null | null | null | null | true | null | 18005 | null | Default | null | null |
null | {
"abstract": " We revisit the Blind Deconvolution problem with a focus on understanding its\nrobustness and convergence properties. Provable robustness to noise and other\nperturbations is receiving recent interest in vision, from obtaining immunity\nto adversarial attacks to assessing and describing failure modes ... | null | null | [
"Computer Science",
"Statistics"
] | null | true | null | 18006 | null | Validated | null | null |
null | {
"abstract": " We present a unified perspective on symmetry protected topological (SPT)\nphases in one dimension and address the open question of what characterizes\ntheir phase transitions. In the first part of this work we use symmetry as a\nguide to map various well-known fermionic and spin SPTs to a Kitaev chai... | null | null | [
"Physics"
] | null | true | null | 18007 | null | Validated | null | null |
null | {
"abstract": " This volume contains the proceedings of the Eighth International Symposium on\nGames, Automata, Logic and Formal Verification (GandALF 2017). The symposium\ntook place in Roma, Italy, from the 20th to the 22nd of September 2017. The\nGandALF symposium was established by a group of Italian computer sc... | null | null | null | null | true | null | 18008 | null | Default | null | null |
null | {
"abstract": " We analyze the effect of quenched disorder on spin-1/2 quantum magnets in\nwhich magnetic frustration promotes the formation of local singlets. Our\nresults include a theory for 2d valence-bond solids subject to weak bond\nrandomness, as well as extensions to stronger disorder regimes where we make\n... | null | null | null | null | true | null | 18009 | null | Default | null | null |
null | {
"abstract": " Knowledge graphs are structured representations of real world facts. However,\nthey typically contain only a small subset of all possible facts. Link\nprediction is a task of inferring missing facts based on existing ones. We\npropose TuckER, a relatively simple but powerful linear model based on Tuc... | null | null | null | null | true | null | 18010 | null | Default | null | null |
null | {
"abstract": " We consider the multi armed bandit problem in non-stationary environments.\nBased on the Bayesian method, we propose a variant of Thompson Sampling which\ncan be used in both rested and restless bandit scenarios. Applying discounting\nto the parameters of prior distribution, we describe a way to syst... | null | null | null | null | true | null | 18011 | null | Default | null | null |
null | {
"abstract": " We propose a new randomized coordinate descent method for a convex\noptimization template with broad applications. Our analysis relies on a novel\ncombination of four ideas applied to the primal-dual gap function: smoothing,\nacceleration, homotopy, and coordinate descent with non-uniform sampling. A... | null | null | null | null | true | null | 18012 | null | Default | null | null |
null | {
"abstract": " We investigate the performance of the standard Greedy algorithm for\ncardinality constrained maximization of non-submodular nondecreasing set\nfunctions. While there are strong theoretical guarantees on the performance of\nGreedy for maximizing submodular functions, there are few guarantees for\nnon-... | null | null | [
"Computer Science",
"Mathematics"
] | null | true | null | 18013 | null | Validated | null | null |
null | {
"abstract": " In this paper, algebroid bundle associated to affine metrics provide an\nstructure for unification of gravity and electromagnetism and, geometrization\nof matter.\n",
"title": "Affine Metrics and Associated Algebroid Structures: Application to General Relativity"
} | null | null | [
"Mathematics"
] | null | true | null | 18014 | null | Validated | null | null |
null | {
"abstract": " The control of complex networks is a significant challenge, especially when\nthe network topology of the system to be controlled is dynamic. Addressing this\nchallenge, here we introduce a novel approach which allows exploring the\ncontrollability of temporal networks. Studying six empirical data set... | null | null | [
"Computer Science",
"Physics"
] | null | true | null | 18015 | null | Validated | null | null |
null | {
"abstract": " Despite their fundamental role in determining material properties, detailed\nmomentum-dependent information on the strength of electron-phonon and\nphonon-phonon coupling (EPC and PPC, respectively) across the entire Brillouin\nzone (BZ) has proved difficult to obtain. Here we demonstrate that ultraf... | null | null | [
"Physics"
] | null | true | null | 18016 | null | Validated | null | null |
null | {
"abstract": " Surface observations indicate that the speed of the solar meridional\ncirculation in the photosphere varies in anti-phase with the solar cycle. The\ncurrent explanation for the source of this variation is that inflows into\nactive regions alter the global surface pattern of the meridional circulation... | null | null | null | null | true | null | 18017 | null | Default | null | null |
null | {
"abstract": " In many studies of environmental change of the past few centuries, 210Pb\ndating is used to obtain chronologies for sedimentary sequences. One of the\nmost commonly used approaches to estimate the ages of depths in a sequence is\nto assume a constant rate of supply (CRS) or influx of `unsupported' 21... | null | null | [
"Statistics"
] | null | true | null | 18018 | null | Validated | null | null |
null | {
"abstract": " The ill-posed analytic continuation problem for Green's functions or\nself-energies can be done using the Padé rational polynomial approximation.\nHowever, to extract accurate results from this approximation, high precision\ninput data of the Matsubara Green's function are needed. The calculation of ... | null | null | null | null | true | null | 18019 | null | Default | null | null |
null | {
"abstract": " Program slicing provides explanations that illustrate how program outputs\nwere produced from inputs. We build on an approach introduced in prior work by\nPerera et al., where dynamic slicing was defined for pure higher-order\nfunctional programs as a Galois connection between lattices of partial inp... | null | null | [
"Computer Science"
] | null | true | null | 18020 | null | Validated | null | null |
null | {
"abstract": " Synthetic dimensions alter one of the most fundamental properties in nature,\nthe dimension of space. They allow, for example, a real three-dimensional\nsystem to act as effectively four-dimensional. Driven by such possibilities,\nsynthetic dimensions have been engineered in ongoing experiments with ... | null | null | [
"Physics"
] | null | true | null | 18021 | null | Validated | null | null |
null | {
"abstract": " The managed-metabolism hypothesis suggests that a cooperation barrier must be\novercome if self-producing chemical organizations are to transition from\nnon-life to life. This barrier prevents un-managed, self-organizing,\nautocatalytic networks of molecular species from individuating into complex,\n... | null | null | null | null | true | null | 18022 | null | Default | null | null |
null | {
"abstract": " Silicon drift detectors (SDDs) revolutionized spectroscopy in fields as\ndiverse as geology and dentistry. For a subset of experiments at ultra-fast,\nx-ray free-electron lasers (FELs), SDDs can make substantial contributions.\nOften the unknown spectrum is interesting, carrying science data, or the\... | null | null | null | null | true | null | 18023 | null | Default | null | null |
null | {
"abstract": " Online learning to rank is a core problem in information retrieval and\nmachine learning. Many provably efficient algorithms have been recently\nproposed for this problem in specific click models. The click model is a model\nof how the user interacts with a list of documents. Though these results are... | null | null | null | null | true | null | 18024 | null | Default | null | null |
null | {
"abstract": " We extend a technique called Compiling Control. The technique transforms\ncoroutining logic programs into logic programs that, when executed under the\nstandard left-to-right selection rule (and not using any delay features) have\nthe same computational behavior as the coroutining program. In recent ... | null | null | null | null | true | null | 18025 | null | Default | null | null |
null | {
"abstract": " Large-scale vortices in protoplanetary disks are thought to form and survive\nfor long periods of time. Hence, they can significantly change the global disk\nevolution and particularly the distribution of the solid particles embedded in\nthe gas, possibly explaining asymmetries and dust concentration... | null | null | null | null | true | null | 18026 | null | Default | null | null |
null | {
"abstract": " This paper introduces a new nonlinear dictionary learning method for\nhistograms in the probability simplex. The method leverages optimal transport\ntheory, in the sense that our aim is to reconstruct histograms using so-called\ndisplacement interpolations (a.k.a. Wasserstein barycenters) between dic... | null | null | [
"Computer Science",
"Statistics"
] | null | true | null | 18027 | null | Validated | null | null |
null | {
"abstract": " Smillie (1984) proved an interesting result on the stability of nonlinear,\ntime-invariant, strongly cooperative, and tridiagonal dynamical systems. This\nresult has found many applications in models from various fields including\nbiology, ecology, and chemistry. Smith (1991) has extended Smillie's r... | null | null | null | null | true | null | 18028 | null | Default | null | null |
null | {
"abstract": " Geospatial semantics is a broad field that involves a variety of research\nareas. The term semantics refers to the meaning of things, and is in contrast\nwith the term syntactics. Accordingly, studies on geospatial semantics usually\nfocus on understanding the meaning of geographic entities as well a... | null | null | null | null | true | null | 18029 | null | Default | null | null |
null | {
"abstract": " In this paper, we continue the study in \\cite{MiaoTX:DNLS:Stab}. We use the\nperturbation argument, modulational analysis and the energy argument in\n\\cite{MartelMT:Stab:gKdV, MartelMT:Stab:NLS} to show the stability of the sum\nof two solitary waves with weak interactions for the generalized deriv... | null | null | null | null | true | null | 18030 | null | Default | null | null |
null | {
"abstract": " This technical note describes a new baseline for the Natural Questions. Our\nmodel is based on BERT and reduces the gap between the model F1 scores reported\nin the original dataset paper and the human upper bound by 30% and 50% relative\nfor the long and short answer tasks respectively. This baselin... | null | null | null | null | true | null | 18031 | null | Default | null | null |
null | {
"abstract": " Even as we advance the frontiers of physics knowledge, our understanding of\nhow this knowledge evolves remains at the descriptive levels of Popper and\nKuhn. Using the APS publications data sets, we ask in this letter how new\nknowledge is built upon old knowledge. We do so by constructing year-to-y... | null | null | null | null | true | null | 18032 | null | Default | null | null |
null | {
"abstract": " We study the energy functional on the set of Lagrangian tori in\n$\\mathbb{C}P^2$ . We prove that the value of the energy functional on a certain\nfamily of Hamiltonian minimal Lagrangian tori in $\\mathbb{C}P^2$ is strictly\nlarger than energy of the Clifford torus.\n",
"title": "On a lower bound ... | null | null | [
"Mathematics"
] | null | true | null | 18033 | null | Validated | null | null |
null | {
"abstract": " Viewing the trajectory of a patient as a dynamical system, a recurrent neural\nnetwork was developed to learn the course of patient encounters in the\nPediatric Intensive Care Unit (PICU) of a major tertiary care center. Data\nextracted from Electronic Medical Records (EMR) of about 12000 patients wh... | null | null | null | null | true | null | 18034 | null | Default | null | null |
null | {
"abstract": " We consider the Schrödinger equation on a half space in any dimension with\na class of nonhomogeneous boundary conditions including Dirichlet, Neuman and\nthe so-called transparent boundary conditions. Building upon recent local in\ntime Strichartz estimates (for Dirichlet boundary conditions), we ob... | null | null | null | null | true | null | 18035 | null | Default | null | null |
null | {
"abstract": " Background\nThe nuclear structure of the cluster bands in $^{20}$Ne presents a challenge\nfor different theoretical approaches. It is especially difficult to explain the\nbroad 0$^+$, 2$^+$ states at 9 MeV excitation energy. Simultaneously, it is\nimportant to obtain more reliable experimental data f... | null | null | null | null | true | null | 18036 | null | Default | null | null |
null | {
"abstract": " We investigate the terminal-pairibility problem in the case when the base\ngraph is a complete bipartite graph, and the demand graph is also bipartite\nwith the same color classes. We improve the lower bound on maximum value of\n$\\Delta(D)$ which still guarantees that the demand graph $D$ is\ntermin... | null | null | null | null | true | null | 18037 | null | Default | null | null |
null | {
"abstract": " Meta learning of optimal classifier error rates allows an experimenter to\nempirically estimate the intrinsic ability of any estimator to discriminate\nbetween two populations, circumventing the difficult problem of estimating the\noptimal Bayes classifier. To this end we propose a weighted nearest n... | null | null | null | null | true | null | 18038 | null | Default | null | null |
null | {
"abstract": " Event detection is a critical feature in data-driven systems as it assists\nwith the identification of nominal and anomalous behavior. Event detection is\nincreasingly relevant in robotics as robots operate with greater autonomy in\nincreasingly unstructured environments. In this work, we present an ... | null | null | null | null | true | null | 18039 | null | Default | null | null |
null | {
"abstract": " This paper locally classifies finite-dimensional Lie algebras of conformal\nand Killing vector fields on $\\mathbb{R}^2$ relative to an arbitrary\npseudo-Riemannian metric. Several results about their geometric properties are\ndetailed, e.g. their invariant distributions and induced symplectic struct... | null | null | null | null | true | null | 18040 | null | Default | null | null |
null | {
"abstract": " This work sets out to compute and discuss effects of spin, velocity and\ndimensionality on inter-particle potentials systematically derived from gauge\nfield-theoretic models. We investigate the interaction of fermionic particles\nby the exchange of a vector field in a parity-preserving description i... | null | null | null | null | true | null | 18041 | null | Default | null | null |
null | {
"abstract": " In this paper we provide an axiomatic characterization of the idempotent\ndiscrete uninorms by means of three conditions only: conservativeness,\nsymmetry, and nondecreasing monotonicity. We also provide an alternative\ncharacterization involving the bisymmetry property. Finally, we provide a\ngraphi... | null | null | null | null | true | null | 18042 | null | Default | null | null |
null | {
"abstract": " We investigate the constraints on the sum of neutrino masses ($\\Sigma m_\\nu$)\nusing the most recent cosmological data, which combines the distance\nmeasurement from baryonic acoustic oscillation in the extended Baryon\nOscillation Spectroscopic Survey DR14 quasar sample with the power spectra of\n... | null | null | null | null | true | null | 18043 | null | Default | null | null |
null | {
"abstract": " We show that the number of unique function mappings in a neural network\nhypothesis space is inversely proportional to $\\prod_lU_l!$, where $U_{l}$ is\nthe number of neurons in the hidden layer $l$.\n",
"title": "The effect of the choice of neural network depth and breadth on the size of its hypot... | null | null | null | null | true | null | 18044 | null | Default | null | null |
null | {
"abstract": " Black-box explanation is the problem of explaining how a machine learning\nmodel -- whose internal logic is hidden to the auditor and generally complex --\nproduces its outcomes. Current approaches for solving this problem include\nmodel explanation, outcome explanation as well as model inspection. W... | null | null | null | null | true | null | 18045 | null | Default | null | null |
null | {
"abstract": " We derive the finite-volume correction to the binding energy of an N-particle\nquantum bound state in a cubic periodic volume. Our results are applicable to\nbound states with arbitrary composition and total angular momentum, and in any\nnumber of spatial dimensions. The only assumptions are that the... | null | null | null | null | true | null | 18046 | null | Default | null | null |
null | {
"abstract": " Additive models, such as produced by gradient boosting, and full interaction\nmodels, such as classification and regression trees (CART), are widely used\nalgorithms that have been investigated largely in isolation. We show that these\nmodels exist along a spectrum, revealing never-before-known conne... | null | null | null | null | true | null | 18047 | null | Default | null | null |
null | {
"abstract": " We formulate a quasiclassical theory ($\\omega_c\\tau \\lesssim 1$ with\n$\\omega_c$ as the cyclotron frequency and $\\tau$ as the relaxation time) to\nstudy the influence of magnetic field on electron-impurity scattering process\nin the two-dimensional electron gas. We introduce a general recipe bas... | null | null | null | null | true | null | 18048 | null | Default | null | null |
null | {
"abstract": " Context. The Rosetta Orbiter Spectrometer for Ion and Neutral Analysis\n(ROSINA) was designed to measure the composition of the gas in the coma of\ncomet 67P/Churyumov-Gerasimenko, the target of the European Space Agency's\nRosetta mission. In addition to the volatiles, ROSINA measured refractories\n... | null | null | null | null | true | null | 18049 | null | Default | null | null |
null | {
"abstract": " Walking quadruped robots face challenges in positioning their feet and\nlifting their legs during gait cycles over uneven terrain. The robot Laika is\nunder development as a quadruped with a flexible, actuated spine designed to\nassist with foot movement and balance during these gaits. This paper pre... | null | null | null | null | true | null | 18050 | null | Default | null | null |
null | {
"abstract": " As the field of neuroimaging grows, it can be difficult for scientists within\nthe field to gain and maintain a detailed understanding of its ever-changing\nlandscape. While collaboration and citation networks highlight important\ncontributions within the field, the roles of and relations among speci... | null | null | null | null | true | null | 18051 | null | Default | null | null |
null | {
"abstract": " The number of trees T in the random forest (RF) algorithm for supervised\nlearning has to be set by the user. It is controversial whether T should simply\nbe set to the largest computationally manageable value or whether a smaller T\nmay in some cases be better. While the principle underlying bagging... | null | null | null | null | true | null | 18052 | null | Default | null | null |
null | {
"abstract": " This study investigates short-crested wave breaking over a planar beach by\nusing the mesh-free Smoothed Particle Hydrodynamics model, GPUSPH. The\nshort-crested waves are created by generating intersecting wave trains in a\nnumerical wave basin. We examine the influence of beach slope, incident wave... | null | null | null | null | true | null | 18053 | null | Default | null | null |
null | {
"abstract": " Transition metal dichalcogenides (TMDCs), with their two-dimensional\nstructures and sizable bandgaps, are good candidates for barrier materials in\ntunneling field-effect transistor (TFET) formed from atomic precision vertical\nstacks of graphene and insulating crystals of a few atomic layers in thi... | null | null | [
"Physics"
] | null | true | null | 18054 | null | Validated | null | null |
null | {
"abstract": " We theoretically study bilayer superconducting topological insulator film, in\nwhich superconductivity exists for both top and bottom surface states. We show\nthat an in-plane magnetic field can drive the system into Larkin-Ovchinnikov\n(LO) phase, where electrons are paired with finite momenta. The ... | null | null | null | null | true | null | 18055 | null | Default | null | null |
null | {
"abstract": " In this paper, we consider a three-node cooperative wireless powered\ncommunication system consisting of a multi-antenna hybrid access point (H-AP)\nand a single-antenna relay and a single-antenna user. The energy constrained\nrelay and user first harvest energy in the downlink and then the relay ass... | null | null | [
"Computer Science"
] | null | true | null | 18056 | null | Validated | null | null |
null | {
"abstract": " Let $F$ be a non-archimedean locally compact field. We study a class of\nLanglands-Shahidi pairs $({\\bf H},{\\bf L})$, consisting of a quasi-split\nconnected reductive group $\\bf H$ over $F$ and a Levi subgroup $\\bf L$ which is\nclosely related to a product of restriction of scalars of ${\\rm GL}_... | null | null | null | null | true | null | 18057 | null | Default | null | null |
null | {
"abstract": " Game semantics is a rich and successful class of denotational models for\nprogramming languages. Most game models feature a rather intuitive setup, yet\nsurprisingly difficult proofs of such basic results as associativity of\ncomposition of strategies. We set out to unify these models into a basic\na... | null | null | null | null | true | null | 18058 | null | Default | null | null |
null | {
"abstract": " We present a proposal for applying nanoscale magnetometry to the search for\nmagnetic monopoles in the spin ice materials holmium and dysprosium titanate.\nEmploying Monte Carlo simulations of the dipolar spin ice model, we find that\nwhen cooled to below $1.5\\,$K these materials exhibit a sufficien... | null | null | null | null | true | null | 18059 | null | Default | null | null |
null | {
"abstract": " Preprocessing tools for automated text analysis have become more widely\navailable in major languages, but non-English tools are often still limited in\ntheir functionality. When working with Spanish-language text, researchers can\neasily find tools for tokenization and stemming, but may not have the... | null | null | null | null | true | null | 18060 | null | Default | null | null |
null | {
"abstract": " We propose a new method for embedding graphs while preserving directed edge\ninformation. Learning such continuous-space vector representations (or\nembeddings) of nodes in a graph is an important first step for using network\ninformation (from social networks, user-item graphs, knowledge bases, etc.... | null | null | null | null | true | null | 18061 | null | Default | null | null |
null | {
"abstract": " We develop a feedback control method for networked epidemic spreading\nprocesses. In contrast to most prior works which consider mean field, open-loop\ncontrol schemes, the present work develops a novel framework for feedback\ncontrol of epidemic processes which leverages incomplete observations of t... | null | null | null | null | true | null | 18062 | null | Default | null | null |
null | {
"abstract": " We prove that the number of iterations taken by the Weisfeiler-Leman\nalgorithm for configurations coming from Schreier graphs is closely linked to\nthe diameter of the graphs themselves: an upper bound is found for general\nSchreier graphs, and a lower bound holds for particular cases, such as for\n... | null | null | [
"Mathematics"
] | null | true | null | 18063 | null | Validated | null | null |
null | {
"abstract": " We prove an analogue of the Hardy-Littlewood conjecture on the asymptotic\ndistribution of prime constellations in the setting of short intervals in\nfunction fields of smooth projective curves over finite fields.\n",
"title": "Correlations between primes in short intervals on curves over finite fi... | null | null | null | null | true | null | 18064 | null | Default | null | null |
null | {
"abstract": " Besides enabling an enhanced mobile broadband, next generation of mobile\nnetworks (5G) are envisioned for the support of massive connectivity of\nheterogeneous Internet of Things (IoT)s. These IoTs are envisioned for a large\nnumber of use-cases including smart cities, environment monitoring, smart\... | null | null | null | null | true | null | 18065 | null | Default | null | null |
null | {
"abstract": " In this work, we prove the existence of local convex solution to the\ndegenerate Hessian equation\n",
"title": "Existence and convexity of local solutions to degenerate hessian equations"
} | null | null | null | null | true | null | 18066 | null | Default | null | null |
null | {
"abstract": " We prove the following superexponential distribution inequality: for any\nintegrable $g$ on $[0,1)^{d}$ with zero average, and any $\\lambda>0$ \\[ |\\{ x\n\\in [0,1)^{d} \\; :\\; g \\geq\\lambda \\}| \\leq e^{-\n\\lambda^{2}/(2^{d}\\|S(g)\\|_{\\infty}^{2})}, \\] where $S(g)$ denotes the\nclassical d... | null | null | null | null | true | null | 18067 | null | Default | null | null |
null | {
"abstract": " Since the beginning of the new millennium, stock markets went through every\nstate from long-time troughs, trade suspensions to all-time highs. The\nliterature on asset pricing hence assumes random processes to be underlying the\nmovement of stock returns. Observed procyclicality and time-varying cor... | null | null | null | null | true | null | 18068 | null | Default | null | null |
null | {
"abstract": " The superconducting energy gap in $\\rm DyNi_2B_2C$ has been investigated\nusing a point-contact technique based on the Andreev reflection from a normal\n(N)-superconductor (S) boundary, where N is Ag. The observed differential\nresistance $dV/dI$ is well described by the Blonder-Tinkham-Klapwijk (BT... | null | null | null | null | true | null | 18069 | null | Default | null | null |
null | {
"abstract": " In this paper we study the problem of finding a small safe set $S$ in a graph\n$G$, i.e. a non-empty set of vertices such that no connected component of\n$G[S]$ is adjacent to a larger component in $G - S$. We enhance our\nunderstanding of the problem from the viewpoint of parameterized complexity by... | null | null | null | null | true | null | 18070 | null | Default | null | null |
null | {
"abstract": " Although there is ample work in the literature dealing with skewness in the\nmultivariate setting, there is a relative paucity of work in the matrix variate\nparadigm. Such work is, for example, useful for modelling three-way data. A\nmatrix variate skew-t distribution is derived based on a mean-vari... | null | null | null | null | true | null | 18071 | null | Default | null | null |
null | {
"abstract": " Using age of information as the freshness metric, we examine a multicast\nnetwork in which real-time status updates are generated by the source and sent\nto a group of $n$ interested receivers. We show that in order to keep the\ninformation freshness at each receiver, the source should terminate the\... | null | null | null | null | true | null | 18072 | null | Default | null | null |
null | {
"abstract": " We applied pre-defined kernels also known as filters or masks developed for\nimage processing to convolution neural network. Instead of letting neural\nnetworks find its own kernels, we used 41 different general-purpose kernels of\nblurring, edge detecting, sharpening, discrete cosine transformation,... | null | null | null | null | true | null | 18073 | null | Default | null | null |
null | {
"abstract": " This paper proposes a neural network architecture and training scheme to\nlearn the start and end time of sound events (strong labels) in an audio\nrecording given just the list of sound events existing in the audio without\ntime information (weak labels). We achieve this by using a stacked\nconvolut... | null | null | null | null | true | null | 18074 | null | Default | null | null |
null | {
"abstract": " Let $(\\mathcal{K} ,\\subseteq )$ be a universal class with\n$LS(\\mathcal{K})=\\lambda$ categorical in regular $\\kappa >\\lambda^+$ with\narbitrarily large models, and let $\\mathcal{K}^*$ be the class of all\n$\\mathcal{A}\\in\\mathcal{K}_{>\\lambda}$ for which there is $\\mathcal{B} \\in\n\\mathc... | null | null | null | null | true | null | 18075 | null | Default | null | null |
null | {
"abstract": " The super-Neptune exoplanet WASP-107b is an exciting target for atmosphere\ncharacterization. It has an unusually large atmospheric scale height and a\nsmall, bright host star, raising the possibility of precise constraints on its\ncurrent nature and formation history. We report the first atmospheric... | null | null | null | null | true | null | 18076 | null | Default | null | null |
null | {
"abstract": " Logical models have been successfully used to describe regulatory and\nsignaling networks without requiring quantitative data. However, existing data\nis insufficient to adequately define a unique model, rendering the\nparametrization of a given model a difficult task.\nHere, we focus on the characte... | null | null | null | null | true | null | 18077 | null | Default | null | null |
null | {
"abstract": " In this work, we present scalable balancing domain decomposition by\nconstraints methods for linear systems arising from arbitrary order edge finite\nelement discretizations of multi-material and heterogeneous 3D problems. In\norder to enforce the continuity across subdomains of the method, we use a\... | null | null | null | null | true | null | 18078 | null | Default | null | null |
null | {
"abstract": " A flux-splitting method is proposed for the hyperbolic-equation system (HES)\nof magnetized electron fluids in quasi-neutral plasmas. The numerical fluxes\nare split into four categories, which are computed by using an upwind method\nwhich incorporates a flux-vector splitting (FVS) and advection upst... | null | null | null | null | true | null | 18079 | null | Default | null | null |
null | {
"abstract": " We address unsupervised optical flow estimation for ego-centric motion. We\nargue that optical flow can be cast as a geometrical warping between two\nsuccessive video frames and devise a deep architecture to estimate such\ntransformation in two stages. First, a dense pixel-level flow is computed with... | null | null | null | null | true | null | 18080 | null | Default | null | null |
null | {
"abstract": " Autonomous driving requires 3D perception of vehicles and other objects in\nthe in environment. Much of the current methods support 2D vehicle detection.\nThis paper proposes a flexible pipeline to adopt any 2D detection network and\nfuse it with a 3D point cloud to generate 3D information with minim... | null | null | null | null | true | null | 18081 | null | Default | null | null |
null | {
"abstract": " We present a search for CII emission over cosmological scales at\nhigh-redshifts. The CII line is a prime candidate to be a tracer of star\nformation over large-scale structure since it is one of the brightest emission\nlines from galaxies. Redshifted CII emission appears in the submillimeter\nregime... | null | null | null | null | true | null | 18082 | null | Default | null | null |
null | {
"abstract": " We complete the proof of the Generalized Smale Conjecture, apart from the\ncase of $RP^3$, and give a new proof of Gabai's theorem for hyperbolic\n3-manifolds. We use an approach based on Ricci flow through singularities,\nwhich applies uniformly to spherical space forms other than $S^3$ and $RP^3$\n... | null | null | null | null | true | null | 18083 | null | Default | null | null |
null | {
"abstract": " Reinforcement learning (RL) algorithms involve the deep nesting of highly\nirregular computation patterns, each of which typically exhibits opportunities\nfor distributed computation. We argue for distributing RL components in a\ncomposable way by adapting algorithms for top-down hierarchical control... | null | null | null | null | true | null | 18084 | null | Default | null | null |
null | {
"abstract": " A multiscale analysis of 1D stochastic bistable reaction-diffusion equations\nwith additive noise is carried out w.r.t. travelling waves within the\nvariational approach to stochastic partial differential equations. It is shown\nwith explicit error estimates on appropriate function spaces that up to ... | null | null | null | null | true | null | 18085 | null | Default | null | null |
null | {
"abstract": " Interpretability has emerged as a crucial aspect of machine learning, aimed\nat providing insights into the working of complex neural networks. However,\nexisting solutions vary vastly based on the nature of the interpretability\ntask, with each use case requiring substantial time and effort. This pa... | null | null | null | null | true | null | 18086 | null | Default | null | null |
null | {
"abstract": " We propose a new technique, Singular Vector Canonical Correlation Analysis\n(SVCCA), a tool for quickly comparing two representations in a way that is both\ninvariant to affine transform (allowing comparison between different layers and\nnetworks) and fast to compute (allowing more comparisons to be ... | null | null | null | null | true | null | 18087 | null | Default | null | null |
null | {
"abstract": " This paper establishes a general equivalence between discrete choice and\nrational inattention models. Matejka and McKay (2015, AER) showed that when\ninformation costs are modelled using the Shannon entropy function, the\nresulting choice probabilities in the rational inattention model take the\nmul... | null | null | null | null | true | null | 18088 | null | Default | null | null |
null | {
"abstract": " We prove a Hardy inequality for ultraspherical expansions by using a proper\nground state representation. From this result we deduce some uncertainty\nprinciples for this kind of expansions. Our result also implies a Hardy\ninequality on spheres with a potential having a double singularity.\n",
"ti... | null | null | null | null | true | null | 18089 | null | Default | null | null |
null | {
"abstract": " Bayesian Neural Networks (BNNs) have recently received increasing attention\nfor their ability to provide well-calibrated posterior uncertainties. However,\nmodel selection---even choosing the number of nodes---remains an open question.\nRecent work has proposed the use of a horseshoe prior over node... | null | null | null | null | true | null | 18090 | null | Default | null | null |
null | {
"abstract": " In several realistic situations, an interactive learning agent can practice\nand refine its strategy before going on to be evaluated. For instance, consider\na student preparing for a series of tests. She would typically take a few\npractice tests to know which areas she needs to improve upon. Based ... | null | null | null | null | true | null | 18091 | null | Default | null | null |
null | {
"abstract": " This paper compares the results of applying a recently developed method of\nstochastic uncertainty quantification designed for fluid dynamics to the\nBorn-Infeld model of nonlinear electromagnetism. The similarities in the\nresults are striking. Namely, the introduction of Stratonovich cylindrical\nn... | null | null | null | null | true | null | 18092 | null | Default | null | null |
null | {
"abstract": " Acoustical radiation force (ARF) induced by a single Bessel beam with\narbitrary order and location on a nonspherical shape is studied with the\nemphasis on the physical mechanism and parameter conditions of negative\n(pulling) forces. Numerical experiments are conducted to verify the T-matrix\nmetho... | null | null | null | null | true | null | 18093 | null | Default | null | null |
null | {
"abstract": " We construct two infinite series of Moufang loops of exponent $3$ whose\ncommutative center (i.e. the set of elements that commute with all elements of\nthe loop) is not a normal subloop. In particular, we obtain examples of such\nloops of orders $3^8$ and $3^{11}$ one of which can be defined as the ... | null | null | [
"Mathematics"
] | null | true | null | 18094 | null | Validated | null | null |
null | {
"abstract": " In the paper \"Formality conjecture\" (1996) Kontsevich designed a universal\nflow $\\dot{\\mathcal{P}}=\\mathcal{Q}_{a:b}(\\mathcal{P})=a\\Gamma_{1}+b\\Gamma_{2}$\non the spaces of Poisson structures $\\mathcal{P}$ on all affine manifolds of\ndimension $n \\geqslant 2$. We prove a claim from $\\text... | null | null | null | null | true | null | 18095 | null | Default | null | null |
null | {
"abstract": " Many similarity-based clustering methods work in two separate steps including\nsimilarity matrix computation and subsequent spectral clustering. However,\nsimilarity measurement is challenging because it is usually impacted by many\nfactors, e.g., the choice of similarity metric, neighborhood size, s... | null | null | null | null | true | null | 18096 | null | Default | null | null |
null | {
"abstract": " In this paper, we apply shrinkage strategies to estimate regression\ncoefficients efficiently for the high-dimensional multiple regression model,\nwhere the number of samples is smaller than the number of predictors. We assume\nin the sparse linear model some of the predictors have very weak influenc... | null | null | null | null | true | null | 18097 | null | Default | null | null |
null | {
"abstract": " Let M be a transitive model of set theory. There is a canonical\ninterpretation functor between the category of regular Hausdorff, continuous\nopen images of Cech-complete spaces of M and the same category in V, preserving\nmany concepts of topology, functional analysis, and dynamics. The functor can... | null | null | null | null | true | null | 18098 | null | Default | null | null |
null | {
"abstract": " We propose a parallel-data-free voice-conversion (VC) method that can learn a\nmapping from source to target speech without relying on parallel data. The\nproposed method is general purpose, high quality, and parallel-data free and\nworks without any extra data, modules, or alignment procedure. It al... | null | null | null | null | true | null | 18099 | null | Default | null | null |
null | {
"abstract": " Least-squares models such as linear regression and Linear Discriminant\nAnalysis (LDA) are amongst the most popular statistical learning techniques.\nHowever, since their computation time increases cubically with the number of\nfeatures, they are inefficient in high-dimensional neuroimaging datasets.... | null | null | null | null | true | null | 18100 | null | Default | null | null |
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