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": " Casimir forces between material surfaces at close proximity of less than 200\nnm can lead to increased chaotic behavior of actuating devices depending on the\nstrength of the Casimir interaction. We investigate these phenomena for phase\nchange materials in torsional oscillators, where the amorphous ... | null | null | null | null | true | null | 20501 | null | Default | null | null |
null | {
"abstract": " Driven by the interest of reasoning about probabilistic programming\nlanguages, we set out to study a notion of unicity of normal forms for them. To\nprovide a tractable proof method for it, we define a property of distribution\nconfluence which is shown to imply the desired uniqueness (even for infi... | null | null | null | null | true | null | 20502 | null | Default | null | null |
null | {
"abstract": " In this paper we consider the development of numerical schemes for mean-field\nequations describing the collective behavior of a large group of interacting\nagents. The schemes are based on a generalization of the classical Chang-Cooper\napproach and are capable to preserve the main structural proper... | null | null | null | null | true | null | 20503 | null | Default | null | null |
null | {
"abstract": " Localization-based imaging has revolutionized fluorescence optical microscopy\nand has also enabled unprecedented ultrasound images of microvascular\nstructures in deep tissues. Herein, we introduce a new concept of localization\noptoacoustic tomography (LOAT) that employs rapid sequential acquisitio... | null | null | null | null | true | null | 20504 | null | Default | null | null |
null | {
"abstract": " Within the standard model of many-body localization, i.e., the disordered\nchain of spinless fermions, we investigate how the interaction affects the\nmany-body states in the basis of noninteracting localized Anderson states. From\nthis starting point we follow the approach that uses a reduced basis ... | null | null | null | null | true | null | 20505 | null | Default | null | null |
null | {
"abstract": " Spectroscopic properties, useful for plasma diagnostics and astrophysics, of\na few rubidium-like ions are studied here. We choose one of the simplest, but\ncorrelationally challenging series where $d-$ and $f-$ orbitals are present in\nthe core and/or valence shells with $4d$ $^2D_{3/2}$ as the grou... | null | null | null | null | true | null | 20506 | null | Default | null | null |
null | {
"abstract": " This paper presents the submissions by the University of Zurich to the\nSIGMORPHON 2017 shared task on morphological reinflection. The task is to\npredict the inflected form given a lemma and a set of morpho-syntactic\nfeatures. We focus on neural network approaches that can tackle the task in a\nlim... | null | null | [
"Computer Science"
] | null | true | null | 20507 | null | Validated | null | null |
null | {
"abstract": " We consider generalizations of the Sylvester matrix equation, consisting of\nthe sum of a Sylvester operator and a linear operator $\\Pi$ with a particular\nstructure. More precisely, the commutator of the matrix coefficients of the\noperator $\\Pi$ and the Sylvester operator coefficients are assumed... | null | null | null | null | true | null | 20508 | null | Default | null | null |
null | {
"abstract": " Viscoelasticity has been described since the time of Maxwell as an\ninterpolation of purely viscous and purely elastic response, but its\nmicroscopic atomic-level mechanism in solids has remained elusive. We studied\nthree model disordered solids: a random lattice, the bond-depleted fcc lattice,\nand... | null | null | null | null | true | null | 20509 | null | Default | null | null |
null | {
"abstract": " Adaptive optic (AO) systems delivering high levels of wavefront correction\nare now common at observatories. One of the main limitations to image quality\nafter wavefront correction comes from atmospheric refraction. An Atmospheric\ndispersion compensator (ADC) is employed to correct for atmospheric ... | null | null | null | null | true | null | 20510 | null | Default | null | null |
null | {
"abstract": " The progress made in understanding spontaneous toroidal rotation reversals in\ntokamaks is reviewed and current ideas to solve this ten-year-old puzzle are\nexplored. The paper includes a summarial synthesis of the experimental\nobservations in AUG, C-Mod, KSTAR, MAST and TCV tokamaks, reasons why tu... | null | null | null | null | true | null | 20511 | null | Default | null | null |
null | {
"abstract": " Wireless engineers and business planners commonly raise the question on\nwhere, when, and how millimeter-wave (mmWave) will be used in 5G and beyond.\nSince the next generation network is not just a new radio access standard, but\ninstead an integration of networks for vertical markets with diverse\n... | null | null | null | null | true | null | 20512 | null | Default | null | null |
null | {
"abstract": " The scripting language described in this document is (in the first place)\nintended to be used on robots developed by Anja M{\\o}lle Lindelof and Henning\nChristiansen as part of a research project about robots performing on stage.\nThe target robots are expected to appear as familiar domestic object... | null | null | null | null | true | null | 20513 | null | Default | null | null |
null | {
"abstract": " We consider abstract evolution equations with on-off time delay feedback.\nWithout the time delay term, the model is described by an exponentially stable\nsemigroup. We show that, under appropriate conditions involving the delay term,\nthe system remains asymptotically stable. Under additional assump... | null | null | null | null | true | null | 20514 | null | Default | null | null |
null | {
"abstract": " Spectral properties of the turbulent cascade from fluid to kinetic scales in\ncollisionless plasmas are investigated by means of large-size three-dimensional\n(3D) hybrid (fluid electrons, kinetic protons) particle-in-cell simulations.\nInitially isotropic Alfvènic fluctuations rapidly develop a stro... | null | null | [
"Physics"
] | null | true | null | 20515 | null | Validated | null | null |
null | {
"abstract": " The blind source separation model for multivariate time series generally\nassumes that the observed series is a linear transformation of an unobserved\nseries with temporally uncorrelated or independent components. Given the\nobservations, the objective is to find a linear transformation that recover... | null | null | null | null | true | null | 20516 | null | Default | null | null |
null | {
"abstract": " We introduce the notion of a $[z, r; g]$-mixed cage. A $[z, r; g]$-mixed cage\nis a mixed graph $G$, $z$-regular by arcs, $r$-regular by edges, with girth $g$\nand minimum order. In this paper we prove the existence of $[z, r ;g]$-mixed\ncages and exhibit families of mixed cages for some specific val... | null | null | null | null | true | null | 20517 | null | Default | null | null |
null | {
"abstract": " A technique to levitate and measure the three-dimensional position of\nmicrometer-sized dielectric spheres with heterodyne detection is presented. The\ntwo radial degrees of freedom are measured by interfering light transmitted\nthrough the microsphere with a reference wavefront, while the axial degr... | null | null | null | null | true | null | 20518 | null | Default | null | null |
null | {
"abstract": " Monero is a privacy-centric cryptocurrency that allows users to obscure their\ntransactions by including chaff coins, called \"mixins,\" along with the actual\ncoins they spend. In this paper, we empirically evaluate two weaknesses in\nMonero's mixin sampling strategy. First, about 62% of transaction... | null | null | null | null | true | null | 20519 | null | Default | null | null |
null | {
"abstract": " Face image quality can be defined as a measure of the utility of a face image\nto automatic face recognition. In this work, we propose (and compare) two\nmethods for automatic face image quality based on target face quality values\nfrom (i) human assessments of face image quality (matcher-independent... | null | null | null | null | true | null | 20520 | null | Default | null | null |
null | {
"abstract": " Networks, which represent agents and interactions between them, arise in\nmyriad applications throughout the sciences, engineering, and even the\nhumanities. To understand large-scale structure in a network, a common task is\nto cluster a network's nodes into sets called \"communities\" such that the... | null | null | [
"Computer Science",
"Statistics"
] | null | true | null | 20521 | null | Validated | null | null |
null | {
"abstract": " The pairing symmetry of the newly proposed cobalt high temperature\n(high-$T_c$) superconductors formed by vertex shared cation-anion tetrahedral\ncomplexes is studied by the methods of mean field, random phase approximation\n(RPA) and functional renormalization group (FRG) analysis. The results of a... | null | null | null | null | true | null | 20522 | null | Default | null | null |
null | {
"abstract": " The search for flat-band solid-state realizations is a crucial issue to\nverify or to challenge theoretical predictions for quantum many-body flat-band\nsystems. For frustrated quantum magnets flat bands lead to various\nunconventional properties related to the existence of localized many-magnon\nsta... | null | null | null | null | true | null | 20523 | null | Default | null | null |
null | {
"abstract": " A deep neural network is a hierarchical nonlinear model transforming input\nsignals to output signals. Its input-output relation is considered to be\nstochastic, being described for a given input by a parameterized conditional\nprobability distribution of outputs. The space of parameters consisting o... | null | null | null | null | true | null | 20524 | null | Default | null | null |
null | {
"abstract": " We identify and describe the main dynamic regimes occurring during the\nmelting of the PCM n-octadecane in horizontal layers of several sizes heated\nfrom below. This configuration allows to cover a wide range of effective\nRayleigh numbers on the liquid PCM phase, up to $\\sim 10^9$, without changin... | null | null | null | null | true | null | 20525 | null | Default | null | null |
null | {
"abstract": " We survey different classification results for surfaces with parallel mean\ncurvature immersed into some Riemannian homogeneous four-manifolds, including\nreal and complex space forms, and product spaces. We provide a common framework\nfor this problem, with special attention to the existence of holo... | null | null | null | null | true | null | 20526 | null | Default | null | null |
null | {
"abstract": " Since introduction [A. Knyazev, Toward the optimal preconditioned\neigensolver: Locally optimal block preconditioned conjugate gradient method,\nSISC (2001) DOI:10.1137/S1064827500366124] and efficient parallel\nimplementation [A. Knyazev et al., Block locally optimal preconditioned\neigenvalue xolve... | null | null | null | null | true | null | 20527 | null | Default | null | null |
null | {
"abstract": " We compare a large suite of theoretical cosmological models to observational\ndata from the cosmic microwave background, baryon acoustic oscillation\nmeasurements of expansion, Type Ia SNe measurements of expansion, redshift\nspace distortion measurements of the growth of structure, and the local Hub... | null | null | [
"Physics"
] | null | true | null | 20528 | null | Validated | null | null |
null | {
"abstract": " The work is devoted to the variety of $2$-dimensional algebras over an\nalgebraically closed field. Firstly, we classify such algebras modulo\nisomorphism. Then we describe the degenerations and the closures of principal\nalgebra series in the variety under consideration. Finally, we apply our\nresul... | null | null | null | null | true | null | 20529 | null | Default | null | null |
null | {
"abstract": " We present a Bayesian object observation model for complete probabilistic\nsemantic SLAM. Recent studies on object detection and feature extraction have\nbecome important for scene understanding and 3D mapping. However, 3D shape of\nthe object is too complex to formulate the probabilistic observation... | null | null | null | null | true | null | 20530 | null | Default | null | null |
null | {
"abstract": " We investigate the generation of optical frequency combs through a cascade of\nfour-wave mixing processes in nonlinear fibres with optimised parameters. The\ninitial optical field consists of two continuous-wave lasers with frequency\nseparation larger than 40 GHz (312.7 pm at 1531 nm). It propagates... | null | null | [
"Physics"
] | null | true | null | 20531 | null | Validated | null | null |
null | {
"abstract": " Physical media (like surveillance cameras) and social media (like Instagram\nand Twitter) may both be useful in attaining on-the-ground information during\nan emergency or disaster situation. However, the intersection and reliability\nof both surveillance cameras and social media during a natural dis... | null | null | [
"Computer Science"
] | null | true | null | 20532 | null | Validated | null | null |
null | {
"abstract": " A physical model of a three-dimensional flow of a viscous bubbly fluid in an\nintermediate regime between bubble formation and breakage is presented. The\nmodel is based on mechanics and thermodynamics of a single bubble coupled to\nthe dynamics of a viscous fluid as a whole, and takes into account m... | null | null | null | null | true | null | 20533 | null | Default | null | null |
null | {
"abstract": " Localization of anatomical structures is a prerequisite for many tasks in\nmedical image analysis. We propose a method for automatic localization of one\nor more anatomical structures in 3D medical images through detection of their\npresence in 2D image slices using a convolutional neural network (Co... | null | null | null | null | true | null | 20534 | null | Default | null | null |
null | {
"abstract": " Let $(X,d,\\mu)$ be a doubling metric measure space endowed with a Dirichlet\nform $\\E$ deriving from a \"carré du champ\". Assume that $(X,d,\\mu,\\E)$\nsupports a scale-invariant $L^2$-Poincaré inequality. In this article, we\nstudy the following properties of harmonic functions, heat kernels and ... | null | null | null | null | true | null | 20535 | null | Default | null | null |
null | {
"abstract": " The last decade was remarkable for neutrino physics. In particular, the\nphenomenon of neutrino flavor oscillations has been firmly established by a\nseries of independent measurements. All parameters of the neutrino mixing are\nnow known and we have elements to plan a judicious exploration of new sc... | null | null | null | null | true | null | 20536 | null | Default | null | null |
null | {
"abstract": " We study several variants of q-Garnier system corresponding to various\ndirections of discrete time evolutions. We also investigate a relation between\nthe $q$-Garnier system and Suzuki's higher order $q$-Painlev/'e system by using\na duality of the $q$-KP system.\n",
"title": "Variations of $q$-Ga... | null | null | null | null | true | null | 20537 | null | Default | null | null |
null | {
"abstract": " We investigate, in the Luttinger model with fixed box potential, the time\nevolution of an inhomogeneous state prepared as a localized fermion added to\nthe noninteracting ground state. We proved that, if the state is evolved with\nthe interacting Hamiltonian, the averaged density has two peaks movin... | null | null | [
"Mathematics"
] | null | true | null | 20538 | null | Validated | null | null |
null | {
"abstract": " The cosmological relaxation of the electroweak scale has been proposed as a\nmechanism to address the hierarchy problem of the Standard Model. A field, the\nrelaxion, rolls down its potential and, in doing so, scans the squared mass\nparameter of the Higgs, relaxing it to a parametrically small value... | null | null | [
"Physics"
] | null | true | null | 20539 | null | Validated | null | null |
null | {
"abstract": " In solving hard computational problems, semidefinite program (SDP)\nrelaxations often play an important role because they come with a guarantee of\noptimality. Here, we focus on a popular semidefinite relaxation of K-means\nclustering which yields the same solution as the non-convex original\nformula... | null | null | [
"Computer Science"
] | null | true | null | 20540 | null | Validated | null | null |
null | {
"abstract": " Magnetically tunable Feshbach resonances in ultracold atomic systems are\nchiefly identified and characterized through time consuming atom loss\nspectroscopy. We describe an off-resonant dispersive optical probing technique\nto rapidly locate Feshbach resonances and demonstrate the method by locating... | null | null | null | null | true | null | 20541 | null | Default | null | null |
null | {
"abstract": " In Compressed Sensing, a real-valued sparse vector has to be recovered from\nan underdetermined system of linear equations. In many applications, however,\nthe elements of the sparse vector are drawn from a finite set. Adapted\nalgorithms incorporating this additional knowledge are required for the\n... | null | null | null | null | true | null | 20542 | null | Default | null | null |
null | {
"abstract": " Momentum methods such as Polyak's heavy ball (HB) method, Nesterov's\naccelerated gradient (AG) as well as accelerated projected gradient (APG)\nmethod have been commonly used in machine learning practice, but their\nperformance is quite sensitive to noise in the gradients. We study these\nmethods un... | null | null | null | null | true | null | 20543 | null | Default | null | null |
null | {
"abstract": " The recovery of approximately sparse or compressible coefficients in a\nPolynomial Chaos Expansion is a common goal in modern parametric uncertainty\nquantification (UQ). However, relatively little effort in UQ has been directed\ntoward theoretical and computational strategies for addressing the spar... | null | null | null | null | true | null | 20544 | null | Default | null | null |
null | {
"abstract": " Despite recent advances, memory-augmented deep neural networks are still\nlimited when it comes to life-long and one-shot learning, especially in\nremembering rare events. We present a large-scale life-long memory module for\nuse in deep learning. The module exploits fast nearest-neighbor algorithms ... | null | null | [
"Computer Science"
] | null | true | null | 20545 | null | Validated | null | null |
null | {
"abstract": " The crystallographic stacking order in multilayer graphene plays an important\nrole in determining its electronic structure. In trilayer graphene,\nrhombohedral stacking (ABC) is particularly intriguing, exhibiting a flat band\nwith an electric-field tunable band gap. Such electronic structure is dis... | null | null | null | null | true | null | 20546 | null | Default | null | null |
null | {
"abstract": " We study a variational Ginzburg-Landau type model depending on a small\nparameter $\\epsilon>0$ for (tangent) vector fields on a $2$-dimensional\nRiemannian surface. As $\\epsilon\\to 0$, the vector fields tend to be of unit\nlength and will have singular points of a (non-zero) index, called vortices... | null | null | null | null | true | null | 20547 | null | Default | null | null |
null | {
"abstract": " We present a multimodal non-linear optical (NLO) laser-scanning microscope,\nbased on a compact fiber-format excitation laser and integrating coherent\nanti-Stokes Raman scattering (CARS), stimulated Raman scattering (SRS) and\ntwo-photon-excitation fluorescence (TPEF) on a single platform. We demons... | null | null | null | null | true | null | 20548 | null | Default | null | null |
null | {
"abstract": " In 1965, the discovery of a new type of uniform radiation, located between\nradiowaves and infrared light, was accidental. Known today as Cosmic Microwave\nbackground (CMB), this diffuse radiation is commonly interpreted as a fossil\nlight released in an early hot and dense universe and constitutes t... | null | null | null | null | true | null | 20549 | null | Default | null | null |
null | {
"abstract": " Leibniz algebras are certain generalization of Lie algebras. In this paper we\ngive the classification of $5-$dimensional complex non-Lie nilpotent Leibniz\nalgebras. We use the canonical forms for the congruence classes of matrices of\nbilinear forms to classify the case $\\dim(A^2)=3$ and $\\dim(Le... | null | null | null | null | true | null | 20550 | null | Default | null | null |
null | {
"abstract": " Reconstruction of skilled humans sensation and control system often leads to\na development of robust control for the robots. We are developing an unscrewing\nrobot for the automated disassembly which requires a comprehensive control\nsystem, but unscrewing experiments with robots are often limited t... | null | null | null | null | true | null | 20551 | null | Default | null | null |
null | {
"abstract": " Let $(X, T^{1,0}X)$ be a compact connected orientable CR manifold of\ndimension $2n+1$ with non-degenerate Levi curvature. Assume that $X$ admits a\nconnected compact Lie group action $G$. Under certain natural assumptions about\nthe group action $G$, we show that the $G$-invariant Szegö kernel for $... | null | null | null | null | true | null | 20552 | null | Default | null | null |
null | {
"abstract": " In the present work we explore resistive circuits where the individual\nresistors are arranged in fractal-like patterns. These circuits have some of\nthe characteristics typically found in geometric fractals, namely\nself-similarity and scale invariance. Considering resistive circuits as graphs,\nwe ... | null | null | null | null | true | null | 20553 | null | Default | null | null |
null | {
"abstract": " We have developed a computational code, DynaPhoPy, that allow us to extract\nthe microscopic anharmonic phonon properties from molecular dynamics (MD)\nsimulations using the normal-mode-decomposition technique as presented by Sun\net al. [T. Sun, D. Zhang, R. Wentzcovitch, 2014]. Using this code we c... | null | null | null | null | true | null | 20554 | null | Default | null | null |
null | {
"abstract": " The change detection problem is to determine if the Markov network structures\nof two Markov random fields differ from one another given two sets of samples\ndrawn from the respective underlying distributions. We study the trade-off\nbetween the sample sizes and the reliability of change detection, m... | null | null | null | null | true | null | 20555 | null | Default | null | null |
null | {
"abstract": " Context: Poor usability of cryptographic APIs is a severe source of\nvulnerabilities. Aim: We wanted to find out what kind of cryptographic\nlibraries are present in Rust and how usable they are. Method: We explored\nRust's cryptographic libraries through a systematic search, conducted an\nexplorator... | null | null | null | null | true | null | 20556 | null | Default | null | null |
null | {
"abstract": " Building dialog agents that can converse naturally with humans is a\nchallenging yet intriguing problem of artificial intelligence. In open-domain\nhuman-computer conversation, where the conversational agent is expected to\nrespond to human responses in an interesting and engaging way, commonsense\nk... | null | null | null | null | true | null | 20557 | null | Default | null | null |
null | {
"abstract": " We propose an alternative framework to existing setups for controlling false\nalarms when multiple A/B tests are run over time. This setup arises in many\npractical applications, e.g. when pharmaceutical companies test new treatment\noptions against control pills for different diseases, or when inter... | null | null | null | null | true | null | 20558 | null | Default | null | null |
null | {
"abstract": " This paper presents a statistical method of single-channel speech enhancement\nthat uses a variational autoencoder (VAE) as a prior distribution on clean\nspeech. A standard approach to speech enhancement is to train a deep neural\nnetwork (DNN) to take noisy speech as input and output clean speech. ... | null | null | null | null | true | null | 20559 | null | Default | null | null |
null | {
"abstract": " Understanding the global optimality in deep learning (DL) has been attracting\nmore and more attention recently. Conventional DL solvers, however, have not\nbeen developed intentionally to seek for such global optimality. In this paper\nwe propose a novel approximation algorithm, BPGrad, towards opti... | null | null | [
"Computer Science",
"Statistics"
] | null | true | null | 20560 | null | Validated | null | null |
null | {
"abstract": " Concepts and tools from network theory, the so-called Lagrangian Flow Network\nframework, have been successfully used to obtain a coarse-grained description\nof transport by closed fluid flows. Here we explore the application of this\nmethodology to open chaotic flows, and check it with numerical res... | null | null | null | null | true | null | 20561 | null | Default | null | null |
null | {
"abstract": " In this paper, by maximum principle and cutoff function, we investigate\ngradient estimates for positive solutions to two nonlinear parabolic equations\nunder Ricci flow. The related Harnack inequalities are deduced. An result about\npositive solutions on closed manifolds under Ricci flow is abtained... | null | null | null | null | true | null | 20562 | null | Default | null | null |
null | {
"abstract": " In this paper, we extend the improved pointwise iteration-complexity result\nof a dynamic regularized alternating direction method of multipliers (ADMM) for\na new stepsize domain. In this complexity analysis, the stepsize parameter can\neven be chosen in the interval $(0,2)$ instead of interval\n$(0... | null | null | null | null | true | null | 20563 | null | Default | null | null |
null | {
"abstract": " This paper presents a novel deep learning-based method for learning a\nfunctional representation of mammalian neural images. The method uses a deep\nconvolutional denoising autoencoder (CDAE) for generating an invariant, compact\nrepresentation of in situ hybridization (ISH) images. While most existi... | null | null | [
"Computer Science",
"Statistics"
] | null | true | null | 20564 | null | Validated | null | null |
null | {
"abstract": " We study the following nonlocal diffusion equation in the Heisenberg group\n$\\mathbb{H}_n$, \\[ u_t(z,s,t)=J\\ast u(z,s,t)-u(z,s,t), \\] where $\\ast$ denote\nconvolution product and $J$ satisfies appropriated hypothesis. For the Cauchy\nproblem we obtain that the asymptotic behavior of the solution... | null | null | null | null | true | null | 20565 | null | Default | null | null |
null | {
"abstract": " Fast and efficient motion planning algorithms are crucial for many\nstate-of-the-art robotics applications such as self-driving cars. Existing\nmotion planning methods such as RRT*, A*, and D*, become ineffective as their\ncomputational complexity increases exponentially with the dimensionality of th... | null | null | null | null | true | null | 20566 | null | Default | null | null |
null | {
"abstract": " With the ever increasing size of web, relevant information extraction on the\nInternet with a query formed by a few keywords has become a big challenge. To\novercome this, query expansion (QE) plays a crucial role in improving the\nInternet searches, where the user's initial query is reformulated to ... | null | null | null | null | true | null | 20567 | null | Default | null | null |
null | {
"abstract": " This paper fills a gap in aspect-based sentiment analysis and aims to present\na new method for preparing and analysing texts concerning opinion and\ngenerating user-friendly descriptive reports in natural language. We present a\ncomprehensive set of techniques derived from Rhetorical Structure Theor... | null | null | [
"Computer Science"
] | null | true | null | 20568 | null | Validated | null | null |
null | {
"abstract": " Let $(X, \\mathscr{L}, \\lambda)$ and $(Y, \\mathscr{M}, \\mu)$ be finite measure\nspaces for which there exist $A \\in \\mathscr{L}$ and $B \\in \\mathscr{M}$ with\n$0 < \\lambda(A) < \\lambda(X)$ and $0 < \\mu(B) < \\mu(Y)$, and let $I\\subseteq\n\\mathbf{R}$ be a non-empty interval. We prove that,... | null | null | null | null | true | null | 20569 | null | Default | null | null |
null | {
"abstract": " Partial differential equations with random inputs have become popular models\nto characterize physical systems with uncertainty coming from, e.g., imprecise\nmeasurement and intrinsic randomness. In this paper, we perform asymptotic rare\nevent analysis for such elliptic PDEs with random inputs. In p... | null | null | null | null | true | null | 20570 | null | Default | null | null |
null | {
"abstract": " Music relies heavily on repetition to build structure and meaning.\nSelf-reference occurs on multiple timescales, from motifs to phrases to reusing\nof entire sections of music, such as in pieces with ABA structure. The\nTransformer (Vaswani et al., 2017), a sequence model based on self-attention,\nh... | null | null | null | null | true | null | 20571 | null | Default | null | null |
null | {
"abstract": " Massive multiple-input multiple-output (M-MIMO) technique brings better\nenergy efficiency and coverage but higher computational complexity than\nsmall-scale MIMO. For linear detections such as minimum mean square error\n(MMSE), prohibitive complexity lies in solving large-scale linear equations.\nFo... | null | null | [
"Computer Science"
] | null | true | null | 20572 | null | Validated | null | null |
null | {
"abstract": " A split feasibility formulation for the inverse problem of\nintensity-modulated radiation therapy (IMRT) treatment planning with\ndose-volume constraints (DVCs) included in the planning algorithm is presented.\nIt involves a new type of sparsity constraint that enables the inclusion of a\npercentage-... | null | null | [
"Physics",
"Mathematics"
] | null | true | null | 20573 | null | Validated | null | null |
null | {
"abstract": " In this paper we study the superalgebra $A_n$, introduced by the authors in\nprevious work on categorification of Verma modules for quantum\n$\\mathfrak{sl}_2$. The superalgebra $A_n$ is akin to the nilHecke algebra, and\nshares similar properties. In particular, we prove a uniqueness result about\n2... | null | null | null | null | true | null | 20574 | null | Default | null | null |
null | {
"abstract": " We investigate preference profiles for a set $\\mathcal{V}$ of voters, where\neach voter $i$ has a preference order $\\succ_i$ on a finite set $A$ of\nalternatives (that is, a linear order on $A$) such that for each two\nalternatives $a,b\\in A$, voter $i$ prefers $a$ to $b$ if $a\\succ_i b$. Such a\... | null | null | null | null | true | null | 20575 | null | Default | null | null |
null | {
"abstract": " This review is based on lectures given at the 45th Saas-Fee Advanced Course\n'From Protoplanetary Disks to Planet Formation' held in March 2015 in Les\nDiablerets, Switzerland. Starting with an overview of the main characterictics\nof the Solar System and extrasolar planets, we describe the planet fo... | null | null | [
"Physics"
] | null | true | null | 20576 | null | Validated | null | null |
null | {
"abstract": " Using the representation theory of Cherednik algebras at $t=0$ and a Galois\ncovering of the Calogero-Moser space, we define the notions of left, right and\ntwo-sided Calogero-Moser cells for any finite complex reflection group. To each\nCaloger-Moser two-sided cell is associated a Calogero-Moser fam... | null | null | null | null | true | null | 20577 | null | Default | null | null |
null | {
"abstract": " We show that the Khovanov complex of a rational tangle has a very simple\nrepresentative whose backbone of non-zero morphisms forms a zig-zag.\nFurthermore, this minimal complex can be computed quickly by an inductive\nalgorithm. (For example, we calculate $Kh(8_2)$ by hand.) We find that the\nbigrad... | null | null | null | null | true | null | 20578 | null | Default | null | null |
null | {
"abstract": " We study how shocks to the forward-looking expectations of investors buying\ncall and put options transmit across the financial system. We introduce a new\ncontagion measure, called asymmetric fear connectedness (AFC), which captures\nthe information related to \"fear\" on the two sides of the option... | null | null | [
"Quantitative Finance"
] | null | true | null | 20579 | null | Validated | null | null |
null | {
"abstract": " This work presents a novel framework based on feed-forward neural network for\ntext-independent speaker classification and verification, two related systems\nof speaker recognition. With optimized features and model training, it achieves\n100% classification rate in classification and less than 6% Eq... | null | null | null | null | true | null | 20580 | null | Default | null | null |
null | {
"abstract": " Slimness of a graph measures the local deviation of its metric from a tree\nmetric. In a graph $G=(V,E)$, a geodesic triangle $\\bigtriangleup(x,y,z)$ with\n$x, y, z\\in V$ is the union $P(x,y) \\cup P(x,z) \\cup P(y,z)$ of three shortest\npaths connecting these vertices. A geodesic triangle $\\bigtr... | null | null | null | null | true | null | 20581 | null | Default | null | null |
null | {
"abstract": " Despite their immense popularity, deep learning-based acoustic systems are\ninherently vulnerable to adversarial attacks, wherein maliciously crafted\naudios trigger target systems to misbehave. In this paper, we present\nSirenAttack, a new class of attacks to generate adversarial audios. Compared\nw... | null | null | null | null | true | null | 20582 | null | Default | null | null |
null | {
"abstract": " We present an $O((\\log k)^2)$-competitive randomized algorithm for the\n$k$-server problem on hierarchically separated trees (HSTs). This is the first\n$o(k)$-competitive randomized algorithm for which the competitive ratio is\nindependent of the size of the underlying HST. Our algorithm is designed... | null | null | null | null | true | null | 20583 | null | Default | null | null |
null | {
"abstract": " We present a general framework for studying regularized estimators; i.e.,\nestimation problems wherein \"plug-in\" type estimators are either ill-defined or\nill-behaved. We derive primitive conditions that imply consistency and\nasymptotic linear representation for regularized estimators, allowing f... | null | null | null | null | true | null | 20584 | null | Default | null | null |
null | {
"abstract": " 'Sharing of statistical strength' is a phrase often employed in machine\nlearning and signal processing. In sensor networks, for example, missing\nsignals from certain sensors may be predicted by exploiting their correlation\nwith observed signals acquired from other sensors. For humans, our hands mo... | null | null | null | null | true | null | 20585 | null | Default | null | null |
null | {
"abstract": " This paper uses model symmetries in the instrumental variable (IV) regression\nto derive an invariant test for the causal structural parameter. Contrary to\npopular belief, we show there exist model symmetries when equation errors are\nheteroskedastic and autocorrelated (HAC). Our theory is consisten... | null | null | [
"Mathematics",
"Statistics"
] | null | true | null | 20586 | null | Validated | null | null |
null | {
"abstract": " In this paper we use the classical electrodynamics to show that the Lorenz\ngauge can be incompatible with some particular solutions of the d Alembert\nequations for electromagnetic potentials. In its turn, the d Alembert equations\nfor the elec- tromagnetic potentials is the result of application of... | null | null | null | null | true | null | 20587 | null | Default | null | null |
null | {
"abstract": " Assume that we observe a sample of size n composed of p-dimensional signals,\neach signal having independent entries drawn from a scaled Poisson distribution\nwith an unknown intensity. We are interested in estimating the sum of the n\nunknown intensity vectors, under the assumption that most of them... | null | null | null | null | true | null | 20588 | null | Default | null | null |
null | {
"abstract": " Pulsed-laser dry printing of noble-metal microrings with a tunable internal\nporous structure, which can be revealed via an ion-beam etching post-procedure,\nwas demonstrated. Abundance and average size of the pores inside the microrings\nwere shown to be tuned in a wide range by varying incident pul... | null | null | [
"Physics"
] | null | true | null | 20589 | null | Validated | null | null |
null | {
"abstract": " Increasing amounts of data from varied sources, particularly in the fields of\nmachine learning and graph analytics, are causing storage requirements to grow\nrapidly. A variety of technologies exist for storing and sharing these data,\nranging from parallel file systems used by supercomputers to dis... | null | null | null | null | true | null | 20590 | null | Default | null | null |
null | {
"abstract": " This paper proposes a distributed consensus algorithm for linear event-based\nheterogeneous multi-agent systems (MAS). The proposed scheme is event-triggered\nin the sense that an agent selectively transmits its information within its\nlocal neighbourhood based on a directed network topology under th... | null | null | [
"Computer Science"
] | null | true | null | 20591 | null | Validated | null | null |
null | {
"abstract": " A secure and private framework for inter-agent communication and coordination\nis developed. This allows an agent, in our case a fleet owner, to ask questions\nor submit queries in an encrypted fashion using semi-homomorphic encryption.\nThe submitted query can be about the interest of the other flee... | null | null | null | null | true | null | 20592 | null | Default | null | null |
null | {
"abstract": " Under covariate shift, training (source) data and testing (target) data\ndiffer in input space distribution, but share the same conditional label\ndistribution. This poses a challenging machine learning task. Robust Bias-Aware\n(RBA) prediction provides the conditional label distribution that is robu... | null | null | [
"Computer Science",
"Statistics"
] | null | true | null | 20593 | null | Validated | null | null |
null | {
"abstract": " While enormous progress has been made to Variational Autoencoder (VAE) in\nrecent years, similar to other deep networks, VAE with deep networks suffers\nfrom the problem of degeneration, which seriously weakens the correlation\nbetween the input and the corresponding latent codes, deviating from the ... | null | null | null | null | true | null | 20594 | null | Default | null | null |
null | {
"abstract": " We demonsrtate electrical spin injection and detection in $n$-type Ge\n($n$-Ge) at room temperature using four-terminal nonlocal spin-valve and\nHanle-effect measurements in lateral spin-valve (LSV) devices with\nHeusler-alloy Schottky tunnel contacts. The spin diffusion length\n($\\lambda$$_{\\rm Ge... | null | null | null | null | true | null | 20595 | null | Default | null | null |
null | {
"abstract": " We present an algorithm for rapidly learning controllers for robotics\nsystems. The algorithm follows the model-based reinforcement learning paradigm,\nand improves upon existing algorithms; namely Probabilistic learning in Control\n(PILCO) and a sample-based version of PILCO with neural network dyna... | null | null | null | null | true | null | 20596 | null | Default | null | null |
null | {
"abstract": " SCADA protocols for Industrial Control Systems (ICS) are vulnerable to\nnetwork attacks such as session hijacking. Hence, research focuses on network\nanomaly detection based on meta--data (message sizes, timing, command\nsequence), or on the state values of the physical process. In this work we\npre... | null | null | null | null | true | null | 20597 | null | Default | null | null |
null | {
"abstract": " Despite their significant functional roles, beta-band oscillations are least\nunderstood. Synchronization in neuronal networks have attracted much attention\nin recent years with the main focus on transition type. Whether one obtains\nexplosive transition or a continuous transition is an important fe... | null | null | [
"Quantitative Biology"
] | null | true | null | 20598 | null | Validated | null | null |
null | {
"abstract": " We propose a natural relaxation of differential privacy based on the Renyi\ndivergence. Closely related notions have appeared in several recent papers that\nanalyzed composition of differentially private mechanisms. We argue that the\nuseful analytical tool can be used as a privacy definition, compac... | null | null | null | null | true | null | 20599 | null | Default | null | null |
null | {
"abstract": " In this paper, we propose a quality enhancement network for Versatile Video\nCoding (VVC) compressed videos by jointly exploiting spatial details and\ntemporal structure (SDTS). The network consists of a temporal structure\nprediction subnet and a spatial detail enhancement subnet. The former subnet ... | null | null | [
"Computer Science"
] | null | true | null | 20600 | null | Validated | null | null |
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