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": " Inference in log-linear models scales linearly in the size of output space in\nthe worst-case. This is often a bottleneck in natural language processing and\ncomputer vision tasks when the output space is feasibly enumerable but very\nlarge. We propose a method to perform inference in log-linear mode... | null | null | [
"Computer Science",
"Statistics"
] | null | true | null | 17401 | null | Validated | null | null |
null | {
"abstract": " When an ordered spin system of a given dimensionality undergoes a second\norder phase transition the dependence of the order parameter i.e. magnetization\non temperature can be well-described by thermal excitations of elementary\ncollective spin excitations (magnons). However, the behavior of magnons... | null | null | [
"Physics"
] | null | true | null | 17402 | null | Validated | null | null |
null | {
"abstract": " We report the bright solitons of the generalized Gross-Pitaevskii (GP)\nequation with some types of physically relevant parity-time-(PT-) and\nnon-PT-symmetric potentials. We find that the constant momentum coefficient can\nmodulate the linear stability and complicated transverse power-flows (not\nal... | null | null | null | null | true | null | 17403 | null | Default | null | null |
null | {
"abstract": " The most recent experimental advances could provide ways for the fabrication\nof several atomic thick and planar forms of boron atoms. For the first time, we\nexplore the mechanical properties of five types of boron films with various\nvacancy ratios ranging from 0.1 to 0.15, using molecular dynamics... | null | null | null | null | true | null | 17404 | null | Default | null | null |
null | {
"abstract": " Stronger selection implies faster evolution---that is, the greater the force,\nthe faster the change. This apparently self-evident proposition, however, is\nderived under the assumption that genetic variation within a population is\nprimarily supplied by mutation (i.e.\\ mutation-driven evolution). H... | null | null | [
"Physics"
] | null | true | null | 17405 | null | Validated | null | null |
null | {
"abstract": " L.J. Savage once hoped to show that \"the superficially incompatible systems\nof ideas associated on the one hand with [subjective Bayesianism] and on the\nother hand with [classical statistics]...lend each other mutual support and\nclarification.\" By 1972, however, he had largely \"lost faith in th... | null | null | null | null | true | null | 17406 | null | Default | null | null |
null | {
"abstract": " Stochastic Gradient Descent (SGD) is the central workhorse for training\nmodern CNNs. Although giving impressive empirical performance it can be slow to\nconverge. In this paper we explore a novel strategy for training a CNN using an\nalternation strategy that offers substantial speedups during train... | null | null | null | null | true | null | 17407 | null | Default | null | null |
null | {
"abstract": " The Kontsevich integral is a powerful link invariant, taking values in spaces\nof Jacobi diagrams. In this paper, we extend the Kontsevich integral to\nconstruct a functor on the category of bottom tangles in handlebodies. This\nfunctor gives a universal finite type invariant of bottom tangles, and r... | null | null | null | null | true | null | 17408 | null | Default | null | null |
null | {
"abstract": " In this note we prove a selection of commutativity theorems for various\nclasses of semigroups. For instance, if in a separative or completely regular\nsemigroup $S$ we have $x^p y^p = y^p x^p$ and $x^q y^q = y^q x^q$ for all\n$x,y\\in S$ where $p$ and $q$ are relatively prime, then $S$ is commutativ... | null | null | null | null | true | null | 17409 | null | Default | null | null |
null | {
"abstract": " Short Message Service (SMS) spam is a serious problem in Vietnam because of\nthe availability of very cheap pre-paid SMS packages. There are some systems to\ndetect and filter spam messages for English, most of which use machine learning\ntechniques to analyze the content of messages and classify the... | null | null | null | null | true | null | 17410 | null | Default | null | null |
null | {
"abstract": " Measuring and analyzing the performance of software has reached a high\ncomplexity, caused by more advanced processor designs and the intricate\ninteraction between user programs, the operating system, and the processor's\nmicroarchitecture. In this report, we summarize our experience about how\nperf... | null | null | [
"Computer Science"
] | null | true | null | 17411 | null | Validated | null | null |
null | {
"abstract": " We present a method for calculating the complex Green function $G_{ij}\n(\\omega)$ at any real frequency $\\omega$ between any two sites $i$ and $j$ on a\nlattice. Starting from numbers of walks on square, cubic, honeycomb,\ntriangular, bcc, fcc, and diamond lattices, we derive Chebyshev expansion\nc... | null | null | null | null | true | null | 17412 | null | Default | null | null |
null | {
"abstract": " Literature on the modeling and simulation of complex adaptive systems (cas)\nhas primarily advanced vertically in different scientific domains with\nscientists developing a variety of domain-specific approaches and applications.\nHowever, while cas researchers are inher-ently interested in an\ninterd... | null | null | [
"Computer Science",
"Physics"
] | null | true | null | 17413 | null | Validated | null | null |
null | {
"abstract": " In this paper, we study a new type of spatial sparse recovery problem, that\nis to infer the fine-grained spatial distribution of certain density data in a\nregion only based on the aggregate observations recorded for each of its\nsubregions. One typical example of this spatial sparse recovery proble... | null | null | null | null | true | null | 17414 | null | Default | null | null |
null | {
"abstract": " In the game theory literature, there appears to be little research on\nequilibrium selection for normal-form games with an infinite strategy space and\ndiscontinuous utility functions. Moreover, many existing selection methods are\nnot applicable to games involving both cooperative and noncooperative... | null | null | null | null | true | null | 17415 | null | Default | null | null |
null | {
"abstract": " Superior performance and ease of implementation have fostered the adoption of\nConvolutional Neural Networks (CNNs) for a wide array of inference and\nreconstruction tasks. CNNs implement three basic blocks: convolution, pooling\nand pointwise nonlinearity. Since the two first operations are well-def... | null | null | null | null | true | null | 17416 | null | Default | null | null |
null | {
"abstract": " Wavelet frame systems are known to be effective in capturing singularities\nfrom noisy and degraded images. In this paper, we introduce a new edge driven\nwavelet frame model for image restoration by approximating images as piecewise\nsmooth functions. With an implicit representation of image singula... | null | null | null | null | true | null | 17417 | null | Default | null | null |
null | {
"abstract": " A recently proposed exact algorithm for the maximum independent set problem\nis analyzed. The typical running time is improved exponentially in some\nparameter regions compared to simple binary search. The algorithm also\novercomes the core transition point, where the conventional leaf removal\nalgor... | null | null | null | null | true | null | 17418 | null | Default | null | null |
null | {
"abstract": " Privatizing data is a useful strategy for increasing parallelism in a shared\nmemory multithreaded program. Independent cores can compute independently on\nduplicates of shared data, combining their results at the end of their\ncomputations. Conventional approaches to privatization, however, rely on\... | null | null | [
"Computer Science"
] | null | true | null | 17419 | null | Validated | null | null |
null | {
"abstract": " Cellular Electron Cryo-Tomography (CECT) is a powerful imaging technique for\nthe 3D visualization of cellular structure and organization at submolecular\nresolution. It enables analyzing the native structures of macromolecular\ncomplexes and their spatial organization inside single cells. However, d... | null | null | null | null | true | null | 17420 | null | Default | null | null |
null | {
"abstract": " Large-scale deep convolutional neural networks (CNNs) are widely used in\nmachine learning applications. While CNNs involve huge complexity, VLSI (ASIC\nand FPGA) chips that deliver high-density integration of computational\nresources are regarded as a promising platform for CNN's implementation. At\... | null | null | null | null | true | null | 17421 | null | Default | null | null |
null | {
"abstract": " We report evidence for an enstrophy cascade in large-scale point-vortex\nsimulations of decaying two-dimensional quantum turbulence. Devising a method\nto generate quantum vortex configurations with kinetic energy narrowly\nlocalized near a single length scale, the dynamics are found to be\nwell-char... | null | null | null | null | true | null | 17422 | null | Default | null | null |
null | {
"abstract": " We study contextual multi-armed bandit problems under linear realizability on\nrewards and uncertainty (or noise) on features. For the case of identical noise\non features across actions, we propose an algorithm, coined {\\em NLinRel},\nhaving $O\\left(T^{\\frac{7}{8}} \\left(\\log{(dT)}+K\\sqrt{d}\\... | null | null | [
"Computer Science",
"Statistics"
] | null | true | null | 17423 | null | Validated | null | null |
null | {
"abstract": " Variational inference for latent variable models is prevalent in various\nmachine learning problems, typically solved by maximizing the Evidence Lower\nBound (ELBO) of the true data likelihood with respect to a variational\ndistribution. However, freely enriching the family of variational distributio... | null | null | null | null | true | null | 17424 | null | Default | null | null |
null | {
"abstract": " To understand the self-sustenance of subcritical turbulence in spectrally\nstable shear flows, we performed direct numerical simulations of homogeneous\nshear turbulence for different aspect ratios of the flow domain and analyzed\nthe dynamical processes in Fourier space. There are no exponentially g... | null | null | [
"Physics"
] | null | true | null | 17425 | null | Validated | null | null |
null | {
"abstract": " Learning would be a convincing method to achieve coordination on an\nequilibrium. But does learning converge, and to what? We answer this question\nin generic 2-player, 2-strategy games, using Experience-Weighted Attraction\n(EWA), which encompasses many extensively studied learning algorithms. We\ne... | null | null | null | null | true | null | 17426 | null | Default | null | null |
null | {
"abstract": " This paper addresses the trajectory tracking control problem for\nunderactuated VTOL UAVs. According to the different actuation mechanisms, the\nmost common UAV platforms can achieve only a partial decoupling of attitude and\nposition tasks. Since position tracking is of utmost importance for\napplic... | null | null | [
"Computer Science"
] | null | true | null | 17427 | null | Validated | null | null |
null | {
"abstract": " Though there has been a significant amount of work investigating the early\nstages of low-mass star formation in recent years, the evolution of the mass\nassembly rate onto the central protostar remains largely unconstrained.\nExamining in depth the variation in this rate is critical to understanding... | null | null | null | null | true | null | 17428 | null | Default | null | null |
null | {
"abstract": " This paper gives new results for synchronization strings, a powerful\ncombinatorial object that allows to efficiently deal with insertions and\ndeletions in various communication settings:\n$\\bullet$ We give a deterministic, linear time synchronization string\nconstruction, improving over an $O(n^5)... | null | null | null | null | true | null | 17429 | null | Default | null | null |
null | {
"abstract": " We apply both distance-based (Jin and Matteson, 2017) and kernel-based\n(Pfister et al., 2016) mutual dependence measures to independent component\nanalysis (ICA), and generalize dCovICA (Matteson and Tsay, 2017) to MDMICA,\nminimizing empirical dependence measures as an objective function in both\nd... | null | null | [
"Statistics"
] | null | true | null | 17430 | null | Validated | null | null |
null | {
"abstract": " We study the local geometry of testing a mean vector within a\nhigh-dimensional ellipse against a compound alternative. Given samples of a\nGaussian random vector, the goal is to distinguish whether the mean is equal to\na known vector within an ellipse, or equal to some other unknown vector in the\n... | null | null | null | null | true | null | 17431 | null | Default | null | null |
null | {
"abstract": " Two of the most fundamental prototypes of greedy optimization are the\nmatching pursuit and Frank-Wolfe algorithms. In this paper, we take a unified\nview on both classes of methods, leading to the first explicit convergence\nrates of matching pursuit methods in an optimization sense, for general set... | null | null | null | null | true | null | 17432 | null | Default | null | null |
null | {
"abstract": " We study the problem of subsampling in differential privacy (DP), a question\nthat is the centerpiece behind many successful differentially private machine\nlearning algorithms. Specifically, we provide a tight upper bound on the\nRényi Differential Privacy (RDP) (Mironov, 2017) parameters for algori... | null | null | null | null | true | null | 17433 | null | Default | null | null |
null | {
"abstract": " Assigning a satisfactory truly concurrent semantics to Petri nets with\nconfusion and distributed decisions is a long standing problem, especially if\none wants to fully replace nondeterminism with probability distributions and no\nstochastic structure is desired/allowed. Here we propose a general so... | null | null | null | null | true | null | 17434 | null | Default | null | null |
null | {
"abstract": " We propose a technique for multi-task learning from demonstration that trains\nthe controller of a low-cost robotic arm to accomplish several complex picking\nand placing tasks, as well as non-prehensile manipulation. The controller is a\nrecurrent neural network using raw images as input and generat... | null | null | [
"Computer Science"
] | null | true | null | 17435 | null | Validated | null | null |
null | {
"abstract": " We present a probabilistic language model for time-stamped text data which\ntracks the semantic evolution of individual words over time. The model\nrepresents words and contexts by latent trajectories in an embedding space. At\neach moment in time, the embedding vectors are inferred from a probabilis... | null | null | null | null | true | null | 17436 | null | Default | null | null |
null | {
"abstract": " The multiple scattering of ultra relativistic electrons in an amorphous\nmatter leads to the suppression of the soft part of radiation spectrum (the\nLandau-Pomeranchuk-Migdal effect), and also can change essentially the angular\ndistribution of the emitted photons. A similar effect must take place i... | null | null | null | null | true | null | 17437 | null | Default | null | null |
null | {
"abstract": " We give necessary and sufficient conditions for a 4-manifold to be a branched\ncovering of $CP^2$, $S^2\\times S^2$, $S^2 \\mathbin{\\tilde\\times} S^2$ and $S^3\n\\times S^1$, which are expressed in terms of the Betti numbers and the\nintersection form of the 4-manifold.\n",
"title": "Branched cov... | null | null | null | null | true | null | 17438 | null | Default | null | null |
null | {
"abstract": " The photoelectric effect established by Einstein is well known, which\nindicates that electrons on lower energy levels can jump up to higher levels by\nabsorbing photons, or jump down from higher levels to lower levels and give out\nphotons1-3. However, how do photons act on electrons and further on ... | null | null | null | null | true | null | 17439 | null | Default | null | null |
null | {
"abstract": " We apply sequence-to-sequence model to mitigate the impact of speech\nrecognition errors on open domain end-to-end dialog generation. We cast the\ntask as a domain adaptation problem where ASR transcriptions and original text\nare in two different domains. In this paper, our proposed model includes t... | null | null | null | null | true | null | 17440 | null | Default | null | null |
null | {
"abstract": " We investigate the use of 183 GHz H2O masers for characterization of the\nphysical conditions and mass loss process in the circumstellar envelopes of\nevolved stars. We used APEX SEPIA Band 5 to observe the 183 GHz H2O line\ntowards 2 Red Supergiant and 3 Asymptotic Giant Branch stars. Simultaneously... | null | null | null | null | true | null | 17441 | null | Default | null | null |
null | {
"abstract": " The free energy principle has been proposed as a unifying theory of brain\nfunction. It is closely related, and in some cases subsumes, earlier unifying\nideas such as Bayesian inference, predictive coding, and active learning. This\narticle clarifies these connections, teasing apart distinctive and ... | null | null | null | null | true | null | 17442 | null | Default | null | null |
null | {
"abstract": " In this paper we study the setting where features are added or change\ninterpretation over time, which has applications in multiple domains such as\nretail, manufacturing, finance. In particular, we propose an approach to\nprovably determine the time instant from which the new/changed features start\... | null | null | null | null | true | null | 17443 | null | Default | null | null |
null | {
"abstract": " Contextual bandit algorithms are sensitive to the estimation method of the\noutcome model as well as the exploration method used, particularly in the\npresence of rich heterogeneity or complex outcome models, which can lead to\ndifficult estimation problems along the path of learning. We study a\ncon... | null | null | null | null | true | null | 17444 | null | Default | null | null |
null | {
"abstract": " Smart solar inverters can be used to store, monitor and manage a home's solar\nenergy. We describe a smart solar inverter system with battery which can either\noperate in an automatic mode or receive commands over a network to charge and\ndischarge at a given rate. In order to make battery storage fi... | null | null | null | null | true | null | 17445 | null | Default | null | null |
null | {
"abstract": " Despite recent advances in face recognition using deep learning, severe\naccuracy drops are observed for large pose variations in unconstrained\nenvironments. Learning pose-invariant features is one solution, but needs\nexpensively labeled large-scale data and carefully designed feature learning\nalg... | null | null | null | null | true | null | 17446 | null | Default | null | null |
null | {
"abstract": " Citizen science projects recruit members of the public as volunteers to\nprocess and produce datasets. These datasets must win the trust of the\nscientific community. The task of securing credibility involves, in part,\napplying standard scientific procedures to clean these datasets. However,\neffect... | null | null | null | null | true | null | 17447 | null | Default | null | null |
null | {
"abstract": " We study the category of representations of $\\mathfrak{sl}_{m+2n}$ in\npositive characteristic, whose p-character is a nilpotent whose Jordan type is\nthe two-row partition (m+n,n). In a previous paper with Anno, we used\nBezrukavnikov-Mirkovic-Rumynin's theory of positive characteristic localizatio... | null | null | null | null | true | null | 17448 | null | Default | null | null |
null | {
"abstract": " Complex networks have been found to provide a good representation of the\nstructure of knowledge, as understood in terms of discoverable concepts and\ntheir relationships. In this context, the discovery process can be modeled as\nagents walking in a knowledge space. Recent studies proposed more reali... | null | null | null | null | true | null | 17449 | null | Default | null | null |
null | {
"abstract": " We analyze short cadence K2 light curve of the TRAPPIST-1 system. Fourier\nanalysis of the data suggests $P_\\mathrm{rot}=3.295\\pm0.003$ days. The light\ncurve shows several flares, of which we analyzed 42 events, these have\nintegrated flare energies of $1.26\\times10^{30}-1.24\\times10^{33}$ ergs.... | null | null | null | null | true | null | 17450 | null | Default | null | null |
null | {
"abstract": " As robots become increasingly prevalent in almost all areas of society, the\nfactors affecting humans trust in those robots becomes increasingly important.\nThis paper is intended to investigate the factor of robot attributes, looking\nspecifically at the relationship between anthropomorphism and hum... | null | null | null | null | true | null | 17451 | null | Default | null | null |
null | {
"abstract": " Let $T$ be a consistent o-minimal theory extending the theory of densely\nordered groups and let $T'$ be a consistent theory. Then there is a complete\ntheory $T^*$ extending $T$ such that $T$ is an open core of $T^*$, but every\nmodel of $T^*$ interprets a model of $T'$. If $T'$ is NIP, $T^*$ can be... | null | null | null | null | true | null | 17452 | null | Default | null | null |
null | {
"abstract": " Standard Bayesian analyses can be difficult to perform when the full\nlikelihood, and consequently the full posterior distribution, is too complex\nand difficult to specify or if robustness with respect to data or to model\nmisspecifications is required. In these situations, we suggest to resort to a... | null | null | null | null | true | null | 17453 | null | Default | null | null |
null | {
"abstract": " Large Area X-ray Proportional Counter (LAXPC) is one of the major AstroSat\npayloads. LAXPC instrument will provide high time resolution X-ray observations\nin 3 to 80 keV energy band with moderate energy resolution. A cluster of three\nco-aligned identical LAXPC detectors is used in AstroSat to prov... | null | null | [
"Physics"
] | null | true | null | 17454 | null | Validated | null | null |
null | {
"abstract": " We give a counterexample to the vector generalization of Costa's entropy\npower inequality (EPI) due to Liu, Liu, Poor and Shamai. In particular, the\nclaimed inequality can fail if the matix-valued parameter in the convex\ncombination does not commute with the covariance of the additive Gaussian\nno... | null | null | [
"Computer Science"
] | null | true | null | 17455 | null | Validated | null | null |
null | {
"abstract": " In this work, we ask two questions: 1. Can we predict the type of community\ninterested in a news article using only features from the article content? and\n2. How well do these models generalize over time? To answer these questions, we\ncompute well-studied content-based features on over 60K news ar... | null | null | null | null | true | null | 17456 | null | Default | null | null |
null | {
"abstract": " Hilbert's 14th problem studies the finite generation property of the\nintersection of an integral algebra of finite type with a subfield of the field\nof fractions of the algebra. It has a negative answer due to the counterexample\nof Nagata. We show that a subfinite version of Hilbert's 14th problem... | null | null | null | null | true | null | 17457 | null | Default | null | null |
null | {
"abstract": " We design a stochastic algorithm to train any smooth neural network to\n$\\varepsilon$-approximate local minima, using $O(\\varepsilon^{-3.25})$\nbackpropagations. The best result was essentially $O(\\varepsilon^{-4})$ by SGD.\nMore broadly, it finds $\\varepsilon$-approximate local minima of any smo... | null | null | null | null | true | null | 17458 | null | Default | null | null |
null | {
"abstract": " We find evidence for a strong thermal inversion in the dayside atmosphere of\nthe highly irradiated hot Jupiter WASP-18b (T$_{eq}=2411K$, $M=10.3M_{J}$)\nbased on emission spectroscopy from Hubble Space Telescope secondary eclipse\nobservations and Spitzer eclipse photometry. We demonstrate a lack of... | null | null | null | null | true | null | 17459 | null | Default | null | null |
null | {
"abstract": " The magnetic-field-temperature phase diagram of solid oxygen is investigated\nby the adiabatic magnetocaloric effect (MCE) measurement with pulsed magnetic\nfields. Relatively large temperature decrease with hysteresis is observed at\njust below the $\\beta$-$\\gamma$ and $\\alpha$-$\\beta$ phase tra... | null | null | null | null | true | null | 17460 | null | Default | null | null |
null | {
"abstract": " Extended Kalman filter (EKF) does not guarantee consistent mean and\ncovariance under linearization, even though it is the main framework for\nrobotic localization. While Lie group improves the modeling of the state space\nin localization, the EKF on Lie group still relies on the arbitrary Gaussian\n... | null | null | null | null | true | null | 17461 | null | Default | null | null |
null | {
"abstract": " We establish new approximation results, in the sense of Lusin, of Sobolev\nfunctions by Lipschitz ones, in some classes of non-doubling metric measure\nstructures. Our proof technique relies upon estimates for heat semigroups and\napplies to Gaussian and $RCD(K, \\infty)$ spaces. As a consequence, we... | null | null | null | null | true | null | 17462 | null | Default | null | null |
null | {
"abstract": " In this paper, a multi-agent coordination problem with steady-state\nregulation constraints is investigated for a class of nonlinear systems. Unlike\nexisting leader-following coordination formulations, the reference signal is\nnot given by a dynamic autonomous leader but determined as the optimal so... | null | null | null | null | true | null | 17463 | null | Default | null | null |
null | {
"abstract": " For the first time, intermodulation distortion of micro-electromechanical\ncapacitive switches in the actuated state was analyzed both theoretically and\nexperimentally. The distortion, although higher than that of switches in the\nsuspended state, was found to decrease with increasing bias voltage b... | null | null | null | null | true | null | 17464 | null | Default | null | null |
null | {
"abstract": " InGaAs-based Gate-all-Around (GAA) FETs with moderate to high In content are\nshown experimentally and theoretically to be unsuitable for low-leakage\nadvanced CMOS nodes. The primary cause for this is the large leakage penalty\ninduced by the Parasitic Bipolar Effect (PBE), which is seen to be parti... | null | null | null | null | true | null | 17465 | null | Default | null | null |
null | {
"abstract": " In this paper we study the integral of type\n\\[_{\\delta,a}\\Gamma_{\\rho,b}(x)\n=\\Gamma(\\delta,a;\\rho,b)(x)=\\int_{0}^{\\infty}t^{x-1}e^{-\\frac{t^{\\delta}}{a}-\\frac{t^{-\\rho}}{b}}dt.\\]\nDifferent authors called this integral by different names like ultra gamma\nfunction, generalized gamma f... | null | null | null | null | true | null | 17466 | null | Default | null | null |
null | {
"abstract": " In this paper we define the notion of pullback lifting of a lifting crossed\nmodule over a crossed module morphism and interpret this notion in the category\nof group-groupoid actions as pullback action. Moreover, we give a criterion for\nthe lifting of homotopic crossed module morphisms to be homoto... | null | null | null | null | true | null | 17467 | null | Default | null | null |
null | {
"abstract": " The simplex algorithm for linear programming is based on the fact that any\nlocal optimum with respect to the polyhedral neighborhood is also a global\noptimum. We show that a similar result carries over to submodular maximization.\nIn particular, every local optimum of a constrained monotone submodu... | null | null | null | null | true | null | 17468 | null | Default | null | null |
null | {
"abstract": " In diffusion-based communication, as for molecular systems, the achievable\ndata rate is very low due to the slow nature of diffusion and the existence of\nsevere inter-symbol interference (ISI). Multiple-input multiple-output (MIMO)\ntechnique can be used to improve the data rate. Knowledge of chann... | null | null | null | null | true | null | 17469 | null | Default | null | null |
null | {
"abstract": " Modified Hamiltonian Monte Carlo (MHMC) methods combine the ideas behind two\npopular sampling approaches: Hamiltonian Monte Carlo (HMC) and importance\nsampling. As in the HMC case, the bulk of the computational cost of MHMC\nalgorithms lies in the numerical integration of a Hamiltonian system of\nd... | null | null | null | null | true | null | 17470 | null | Default | null | null |
null | {
"abstract": " This whitepaper proposes the design and adoption of a new generation of\nTensor Processing Unit which has the performance of Google's TPU, yet performs\noperations on wide precision data. The new generation TPU is made possible by\nimplementing arithmetic circuits which compute using a new general pu... | null | null | [
"Computer Science"
] | null | true | null | 17471 | null | Validated | null | null |
null | {
"abstract": " In this paper, we introduce DICOD, a convolutional sparse coding algorithm\nwhich builds shift invariant representations for long signals. This algorithm\nis designed to run in a distributed setting, with local message passing, making\nit communication efficient. It is based on coordinate descent and... | null | null | null | null | true | null | 17472 | null | Default | null | null |
null | {
"abstract": " We study uniqueness of Dirichlet problems of second order divergence-form\nelliptic systems with transversally independent coefficients on the upper\nhalf-space in absence of regularity of solutions. To this end, we develop a\nsubstitute for the fundamental solution used to invert elliptic operators ... | null | null | [
"Mathematics"
] | null | true | null | 17473 | null | Validated | null | null |
null | {
"abstract": " At interfaces between oxide materials, lattice and electronic reconstructions\nalways play important roles in exotic phenomena. In this study, the density\nfunctional theory and maximally localized Wannier functions are employed to\ninvestigate the (LaTiO$_3$)$_n$/(LaVO$_3$)$_n$ magnetic superlattice... | null | null | null | null | true | null | 17474 | null | Default | null | null |
null | {
"abstract": " A mathematical model for emerging contaminants sorption in multispecies\nbiofilms, based on a continuum approach and mass conservation principles is\npresented. Diffusion of contaminants within the biofilm is described using a\ndiffusion-reaction equation. Binding sites formation and occupation are m... | null | null | null | null | true | null | 17475 | null | Default | null | null |
null | {
"abstract": " Deep generative models based on Generative Adversarial Networks (GANs) have\ndemonstrated impressive sample quality but in order to work they require a\ncareful choice of architecture, parameter initialization, and selection of\nhyper-parameters. This fragility is in part due to a dimensional mismatc... | null | null | [
"Computer Science",
"Statistics"
] | null | true | null | 17476 | null | Validated | null | null |
null | {
"abstract": " Approximate vanishing ideal, which is a new concept from computer algebra, is\na set of polynomials that almost takes a zero value for a set of given data\npoints. The introduction of approximation to exact vanishing ideal has played a\ncritical role in capturing the nonlinear structures of noisy dat... | null | null | null | null | true | null | 17477 | null | Default | null | null |
null | {
"abstract": " X-ray Free Electron Lasers (XFELs) have been proven to generate short and\npowerful radiation pulses allowing for a wide class of novel experiments. If an\nXFEL facility supports the generation of two X-ray pulses with different\nwavelengths and controllable delay, the range of possible experiments i... | null | null | null | null | true | null | 17478 | null | Default | null | null |
null | {
"abstract": " Avenues of Majorana bound states (MBSs) have become one of the primary\ndirections towards a possible realization of topological quantum computation.\nFor a Y-junction of Kitaev quantum wires, we numerically investigate the\nbraiding of MBSs while considering the full quasi-particle background. The t... | null | null | null | null | true | null | 17479 | null | Default | null | null |
null | {
"abstract": " Research is a tertiary priority in the EHR, where the priorities are patient\ncare and billing. Because of this, the data is not standardized or formatted in\na manner easily adapted to machine learning approaches. Data may be missing for\na large variety of reasons ranging from individual input styl... | null | null | null | null | true | null | 17480 | null | Default | null | null |
null | {
"abstract": " We show that whereas spin-1/2 one-dimensional U(1) quantum-link models (QLMs)\nare topologically trivial, when implemented in ladder-like lattices these\nmodels may present an intriguing ground-state phase diagram, which includes a\nsymmetry protected topological (SPT) phase that may be readily revea... | null | null | null | null | true | null | 17481 | null | Default | null | null |
null | {
"abstract": " In this paper two portfolio choice models are studied: a purely possibilistic\nmodel, in which the return of a risky asset is a fuzzy number, and a mixed\nmodel in which a probabilistic background risk is added. For the two models an\napproximate formula of the optimal allocation is computed, with re... | null | null | null | null | true | null | 17482 | null | Default | null | null |
null | {
"abstract": " We study some basic properties of the class of universal operators on Hilbert\nspace, and provide new examples of universal operators and universal pairs.\n",
"title": "On universal operators and universal pairs"
} | null | null | null | null | true | null | 17483 | null | Default | null | null |
null | {
"abstract": " To realize and test advanced accelerator concepts and hardware, a beamline is\nbeing reconfigured in the Linac Extension Area (LEA) of APS linac. A\nphoto-cathode RF gun installed at the beginning of the APS linac will provide a\nlow emittance electron beam into the LEA beamline. The thermionic RF gu... | null | null | null | null | true | null | 17484 | null | Default | null | null |
null | {
"abstract": " We investigated the magnetic behavior of metal hydrides FeH$_{x}$, CoH$_{x}$\nand NiH$_{x}$ for several concentrations of hydrogen ($x$) by using Density\nFunctional Theory calculations. Several structural phases of the metallic host:\nbcc ($\\alpha$), fcc ($\\gamma$), hcp ($\\varepsilon$), dhcp ($\\... | null | null | null | null | true | null | 17485 | null | Default | null | null |
null | {
"abstract": " Cloud computing helps reduce costs, increase business agility and deploy\nsolutions with a high return on investment for many types of applications.\nHowever, data security is of premium importance to many users and often\nrestrains their adoption of cloud technologies. Various approaches, i.e., data... | null | null | null | null | true | null | 17486 | null | Default | null | null |
null | {
"abstract": " Password security can no longer provide enough security in the area of remote\nuser authentication. Considering this security drawback, researchers are trying\nto find solution with multifactor remote user authentication system. Recently,\nthree factor remote user authentication using biometric and s... | null | null | [
"Computer Science"
] | null | true | null | 17487 | null | Validated | null | null |
null | {
"abstract": " This paper presents a practical approach towards implementing pathfinding\nalgorithms on real-world and low-cost non- commercial hardware platforms. While\nusing robotics simulation platforms as a test-bed for our algorithms we easily\noverlook real- world exogenous problems that are developed by ext... | null | null | null | null | true | null | 17488 | null | Default | null | null |
null | {
"abstract": " Recent advances in deep learning, especially deep convolutional neural\nnetworks (CNNs), have led to significant improvement over previous semantic\nsegmentation systems. Here we show how to improve pixel-wise semantic\nsegmentation by manipulating convolution-related operations that are of both\nthe... | null | null | null | null | true | null | 17489 | null | Default | null | null |
null | {
"abstract": " The mechanical failure of amorphous media is a ubiquitous phenomenon from\nmaterial engineering to geology. It has been noticed for a long time that the\nphenomenon is \"scale-free\", indicating some type of criticality. In spite of\nattempts to invoke \"Self-Organized Criticality\", the physical ori... | null | null | [
"Physics"
] | null | true | null | 17490 | null | Validated | null | null |
null | {
"abstract": " The validity of the strong law of large numbers for multiple sums $S_n$ of\nindependent identically distributed random variables $Z_k$, $k\\leq n$, with\n$r$-dimensional indices is equivalent to the integrability of\n$|Z|(\\log^+|Z|)^{r-1}$, where $Z$ is the typical summand. We consider the\nstrong l... | null | null | [
"Mathematics"
] | null | true | null | 17491 | null | Validated | null | null |
null | {
"abstract": " In this letter we study the mean sizes of Halpha clumps in turbulent disk\ngalaxies relative to kinematics, gas fractions, and Toomre Q. We use 100~pc\nresolution HST images, IFU kinematics, and gas fractions of a sample of rare,\nnearby turbulent disks with properties closely matched to z~1.5-2 main... | null | null | null | null | true | null | 17492 | null | Default | null | null |
null | {
"abstract": " Motivated by a host of empirical evidences revealing the bursty character of\nhuman dynamics, we develop a model of human activity based on successive\nswitching between an hesitation state and a decision-realization state, with\nresidency times in the hesitation state distributed according to a heav... | null | null | null | null | true | null | 17493 | null | Default | null | null |
null | {
"abstract": " We consider the spectral Dirichlet problem for the Laplace operator in the\nplane $\\Omega^{\\circ}$ with double-periodic perforation but also in the domain\n$\\Omega^{\\bullet}$ with a semi-infinite foreign inclusion so that the\nFloquet-Bloch technique and the Gelfand transform do not apply directl... | null | null | null | null | true | null | 17494 | null | Default | null | null |
null | {
"abstract": " We examine the meaning and the complexity of probabilistic logic programs\nthat consist of a set of rules and a set of independent probabilistic facts\n(that is, programs based on Sato's distribution semantics). We focus on two\nsemantics, respectively based on stable and on well-founded models. We s... | null | null | [
"Computer Science"
] | null | true | null | 17495 | null | Validated | null | null |
null | {
"abstract": " Recently, Thas et al. (2012) introduced a new statistical model for the\nprobability index. This index is defined as $P(Y \\leq Y^*|X, X^*)$ where Y and\nY* are independent random response variables associated with covariates X and\nX* [...] Crucially to estimate the parameters of the model, a set of... | null | null | null | null | true | null | 17496 | null | Default | null | null |
null | {
"abstract": " We present the strongest constraints to date on anisotropies of CMB\npolarization rotation derived from $150$ GHz data taken by the BICEP2 & Keck\nArray CMB experiments up to and including the 2014 observing season (BK14). The\ndefinition of polarization angle in BK14 maps has gone through self-calib... | null | null | [
"Physics"
] | null | true | null | 17497 | null | Validated | null | null |
null | {
"abstract": " In this paper we introduce a system for unsupervised object discovery and\nsegmentation of RGBD-images. The system models the sensor noise directly from\ndata, allowing accurate segmentation without sensor specific hand tuning of\nmeasurement noise models making use of the recently introduced Statist... | null | null | null | null | true | null | 17498 | null | Default | null | null |
null | {
"abstract": " One of the most significant challenges involved in efforts to understand the\neffects of repeated earthquake cycle activity are the computational costs of\nlarge-scale viscoelastic earthquake cycle models. Computationally intensive\nviscoelastic codes must be evaluated thousands of times and location... | null | null | null | null | true | null | 17499 | null | Default | null | null |
null | {
"abstract": " This paper examines the speaker identification potential of breath sounds in\ncontinuous speech. Speech is largely produced during exhalation. In order to\nreplenish air in the lungs, speakers must periodically inhale. When inhalation\noccurs in the midst of continuous speech, it is generally through... | null | null | null | null | true | null | 17500 | null | Default | null | null |
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