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": " The nature of the bipolar, $\\gamma$-ray Fermi bubbles (FB) is still unclear,\nin part because their faint, high-latitude X-ray counterpart has until now\neluded a clear detection. We stack ROSAT data at varying distances from the FB\nedges, thus boosting the signal and identifying an expanding shell... | null | null | null | null | true | null | 18901 | null | Default | null | null |
null | {
"abstract": " In this paper, we revisit primal-dual dynamics for convex optimization and\npresent a generalization of the dynamics based on the concept of passivity. It\nis then proved that supplying a stable zero to one of the integrators in the\ndynamics allows one to eliminate the assumption of strict convexity... | null | null | [
"Computer Science"
] | null | true | null | 18902 | null | Validated | null | null |
null | {
"abstract": " The distribution of the sum of r-th power of standard normal random variables\nis a generalization of the chi-squared distribution. In this paper, we\nrepresent the probability density function of the random variable by an\none-dimensional absolutely convergent integral with the characteristic\nfunct... | null | null | null | null | true | null | 18903 | null | Default | null | null |
null | {
"abstract": " We propose a dynamic boosted ensemble learning method based on random forest\n(DBRF), a novel ensemble algorithm that incorporates the notion of hard example\nmining into Random Forest (RF) and thus combines the high accuracy of Boosting\nalgorithm with the strong generalization of Bagging algorithm.... | null | null | [
"Statistics"
] | null | true | null | 18904 | null | Validated | null | null |
null | {
"abstract": " In this paper, a novel framework is proposed for optimizing the operation and\nperformance of a large-scale, multi-hop millimeter wave (mmW) backhaul within a\nwireless small cell network (SCN) that encompasses multiple mobile network\noperators (MNOs). The proposed framework enables the small base s... | null | null | null | null | true | null | 18905 | null | Default | null | null |
null | {
"abstract": " We consider the problem of training generative models with a Generative\nAdversarial Network (GAN). Although GANs can accurately model complex\ndistributions, they are known to be difficult to train due to instabilities\ncaused by a difficult minimax optimization problem. In this paper, we view the\n... | null | null | null | null | true | null | 18906 | null | Default | null | null |
null | {
"abstract": " Sound event detection (SED) is typically posed as a supervised learning\nproblem requiring training data with strong temporal labels of sound events.\nHowever, the production of datasets with strong labels normally requires\nunaffordable labor cost. It limits the practical application of supervised S... | null | null | null | null | true | null | 18907 | null | Default | null | null |
null | {
"abstract": " We study optimally doped\nBi$_{2}$Sr$_{2}$Ca$_{0.92}$Y$_{0.08}$Cu$_{2}$O$_{8+\\delta}$ (Bi2212) using\nangle-resolved two-photon photoemission spectroscopy. Three spectral features\nare resolved near 1.5, 2.7, and 3.6 eV above the Fermi level. By tuning the\nphoton energy, we determine that the 2.7-e... | null | null | null | null | true | null | 18908 | null | Default | null | null |
null | {
"abstract": " Ordering dynamics of self-propelled particles in an inhomogeneous medium in\ntwo-dimensions is studied. We write coarse-grained hydrodynamic equations of\nmotion for coarse-grained density and velocity fields in the presence of an\nexternal random disorder field, which is quenched in time. The streng... | null | null | null | null | true | null | 18909 | null | Default | null | null |
null | {
"abstract": " We discuss the amplification of loop corrections in quantum many-body systems\nthrough dynamical instabilities. As an example, we investigate both\nanalytically and numerically a two-component ultracold atom system in one\nspatial dimension. The model features a tachyonic instability, which\nincorpor... | null | null | null | null | true | null | 18910 | null | Default | null | null |
null | {
"abstract": " Reinforcement learning (RL), while often powerful, can suffer from slow\nlearning speeds, particularly in high dimensional spaces. The autonomous\ndecomposition of tasks and use of hierarchical methods hold the potential to\nsignificantly speed up learning in such domains. This paper proposes a novel... | null | null | null | null | true | null | 18911 | null | Default | null | null |
null | {
"abstract": " Motivation: Epigenetic heterogeneity within a tumour can play an important\nrole in tumour evolution and the emergence of resistance to treatment. It is\nincreasingly recognised that the study of DNA methylation (DNAm) patterns along\nthe genome -- so-called `epialleles' -- offers greater insight int... | null | null | [
"Mathematics",
"Statistics"
] | null | true | null | 18912 | null | Validated | null | null |
null | {
"abstract": " Granger-causality in the frequency domain is an emerging tool to analyze the\ncausal relationship between two time series. We propose a bootstrap test on\nunconditional and conditional Granger-causality spectra, as well as on their\ndifference, to catch particularly prominent causality cycles in rela... | null | null | null | null | true | null | 18913 | null | Default | null | null |
null | {
"abstract": " Asymmetric segregation of key proteins at cell division -- be it a beneficial\nor deleterious protein -- is ubiquitous in unicellular organisms and often\nconsidered as an evolved trait to increase fitness in a stressed environment.\nHere, we provide a general framework to describe the evolutionary o... | null | null | null | null | true | null | 18914 | null | Default | null | null |
null | {
"abstract": " We consider an exchange who wishes to set suitable make-take fees to attract\nliquidity on its platform. Using a principal-agent approach, we are able to\ndescribe in quasi-explicit form the optimal contract to propose to a market\nmaker. This contract depends essentially on the market maker inventor... | null | null | [
"Quantitative Finance"
] | null | true | null | 18915 | null | Validated | null | null |
null | {
"abstract": " Spontaneous symmetry breaking (SSB) is an important phenomenon observed in\nvarious fields including physics and biology. In this connection, we here show\nthat the trade-off between attractive and repulsive couplings can induce\nspontaneous symmetry breaking in a homogeneous system of coupled oscill... | null | null | null | null | true | null | 18916 | null | Default | null | null |
null | {
"abstract": " Evolutionary algorithms have recently been used to create a wide range of\nartistic work. In this paper, we propose a new approach for the composition of\nnew images from existing ones, that retain some salient features of the\noriginal images. We introduce evolutionary algorithms that create new ima... | null | null | null | null | true | null | 18917 | null | Default | null | null |
null | {
"abstract": " In this paper, we prove a sharp limit on the community detection problem with\ncolored edges. We assume two equal-sized communities and there are $m$\ndifferent types of edges. If two vertices are in the same community, the\ndistribution of edges follows $p_i=\\alpha_i\\log{n}/n$ for $1\\leq i \\leq ... | null | null | null | null | true | null | 18918 | null | Default | null | null |
null | {
"abstract": " Nonlocal neural networks have been proposed and shown to be effective in\nseveral computer vision tasks, where the nonlocal operations can directly\ncapture long-range dependencies in the feature space. In this paper, we study\nthe nature of diffusion and damping effect of nonlocal networks by doing\... | null | null | null | null | true | null | 18919 | null | Default | null | null |
null | {
"abstract": " The main aim of the present paper is to represent an exact and simple proof\nfor FLT by using properties of the algebra identities and linear algebra.\n",
"title": "Proof of FLT by Algebra Identities and Linear Algebra"
} | null | null | [
"Mathematics"
] | null | true | null | 18920 | null | Validated | null | null |
null | {
"abstract": " The nature of aerosols in hot exoplanet atmospheres is one of the primary\nvexing questions facing the exoplanet field. The complex chemistry, multiple\nformation pathways, and lack of easily identifiable spectral features\nassociated with aerosols make it especially challenging to constrain their ke... | null | null | null | null | true | null | 18921 | null | Default | null | null |
null | {
"abstract": " We introduce a family of mathematical objects called $\\mathcal{P}$-schemes,\nwhere $\\mathcal{P}$ is a poset of subgroups of a finite group $G$. A\n$\\mathcal{P}$-scheme is a collection of partitions of the right coset spaces\n$H\\backslash G$, indexed by $H\\in\\mathcal{P}$, that satisfies a list o... | null | null | null | null | true | null | 18922 | null | Default | null | null |
null | {
"abstract": " A considerable amount of machine learning algorithms take instance-feature\nmatrices as their inputs. As such, they cannot directly analyze time series\ndata due to its temporal nature, usually unequal lengths, and complex\nproperties. This is a great pity since many of these algorithms are effective... | null | null | null | null | true | null | 18923 | null | Default | null | null |
null | {
"abstract": " We identify the \"organization\" of a human social group as the communication\nnetwork(s) within that group. We then introduce three theoretical approaches to\nanalyzing what determines the structures of human organizations. All three\napproaches adopt a group-selection perspective, so that the group... | null | null | null | null | true | null | 18924 | null | Default | null | null |
null | {
"abstract": " We show that for any solvable Lie group of real type, any homogeneous Ricci\nflow solution converges in Cheeger-Gromov topology to a unique non-flat\nsolvsoliton, which is independent of the initial left-invariant metric. As an\napplication, we obtain results on the isometry groups of non-flat solvso... | null | null | null | null | true | null | 18925 | null | Default | null | null |
null | {
"abstract": " Recently, it has become feasible to generate large-scale, multi-tissue gene\nexpression data, where expression profiles are obtained from multiple tissues\nor organs sampled from dozens to hundreds of individuals. When traditional\nclustering methods are applied to this type of data, important inform... | null | null | null | null | true | null | 18926 | null | Default | null | null |
null | {
"abstract": " The Zap Q-learning algorithm introduced in this paper is an improvement of\nWatkins' original algorithm and recent competitors in several respects. It is a\nmatrix-gain algorithm designed so that its asymptotic variance is optimal.\nMoreover, an ODE analysis suggests that the transient behavior is a ... | null | null | [
"Computer Science",
"Mathematics"
] | null | true | null | 18927 | null | Validated | null | null |
null | {
"abstract": " In recent years, the rapidly increasing amounts of data created and processed\nthrough the internet resulted in distributed storage systems employing erasure\ncoding based schemes. Aiming to balance the tradeoff between data recovery for\ncorrelated failures and efficient encoding and decoding, distr... | null | null | [
"Computer Science"
] | null | true | null | 18928 | null | Validated | null | null |
null | {
"abstract": " In this work, we address the problem of disentanglement of factors that\ngenerate a given data into those that are correlated with the labeling and\nthose that are not. Our solution is simpler than previous solutions and employs\nadversarial training in a straightforward manner. We demonstrate the ne... | null | null | null | null | true | null | 18929 | null | Default | null | null |
null | {
"abstract": " In the paper \"Optimal control of a Vlasov-Poisson plasma by an external\nmagnetic field - The basics for variational calculus\" [arXiv:1708.02464] we\nhave already introduced a set of admissible magnetic fields and we have proved\nthat each of those fields induces a unique strong solution of the\nVl... | null | null | [
"Mathematics"
] | null | true | null | 18930 | null | Validated | null | null |
null | {
"abstract": " We observe that a certain kind of algebraic proof - which covers essentially\nall known algebraic circuit lower bounds to date - cannot be used to prove\nlower bounds against VP if and only if what we call succinct hitting sets exist\nfor VP. This is analogous to the Razborov-Rudich natural proofs ba... | null | null | null | null | true | null | 18931 | null | Default | null | null |
null | {
"abstract": " In recent years, a great deal of interest has focused on conducting inference\non the parameters in a linear model in the high-dimensional setting. In this\npaper, we consider a simple and very naïve two-step procedure for this\ntask, in which we (i) fit a lasso model in order to obtain a subset of t... | null | null | null | null | true | null | 18932 | null | Default | null | null |
null | {
"abstract": " Discussions about the choice of a tree hash mode of operation for a\nstandardization have recently been undertaken. It appears that a single tree\nmode cannot address adequately all possible uses and specifications of a\nsystem. In this paper, we review the tree modes which have been proposed, we\ndi... | null | null | null | null | true | null | 18933 | null | Default | null | null |
null | {
"abstract": " In this paper we present a neurally plausible model of robot reaching\ninspired by human infant reaching that is based on embodied artificial\nintelligence, which emphasizes the importance of the sensory-motor interaction\nof an agent and the world. This model encompasses both learning sensory-motor\... | null | null | null | null | true | null | 18934 | null | Default | null | null |
null | {
"abstract": " Advances in artificial intelligence (AI) will transform modern life by\nreshaping transportation, health, science, finance, and the military. To adapt\npublic policy, we need to better anticipate these advances. Here we report the\nresults from a large survey of machine learning researchers on their ... | null | null | null | null | true | null | 18935 | null | Default | null | null |
null | {
"abstract": " Recurrent Neural Networks (RNNs) are a key technology for emerging\napplications such as automatic speech recognition, machine translation or image\ndescription. Long Short Term Memory (LSTM) networks are the most successful RNN\nimplementation, as they can learn long term dependencies to achieve hig... | null | null | null | null | true | null | 18936 | null | Default | null | null |
null | {
"abstract": " Mathematical modelling has shown that activity of the Geminid meteor shower\nshould rise with time, and that was confirmed by analysis of visual\nobservations 1985--2016. We do not expect any outburst activity of the Geminid\nshower in 2017, even though the asteroid (3200) Phaethon has close approach... | null | null | null | null | true | null | 18937 | null | Default | null | null |
null | {
"abstract": " Lederer and van de Geer (2013) introduced a new Orlicz norm, the\nBernstein-Orlicz norm, which is connected to Bernstein type inequalities. Here\nwe introduce another Orlicz norm, the Bennett-Orlicz norm, which is connected\nto Bennett type inequalities. The new Bennett-Orlicz norm yields inequalitie... | null | null | null | null | true | null | 18938 | null | Default | null | null |
null | {
"abstract": " Justification logics are modal-like logics with the additional capability of\nrecording the reason, or justification, for modalities in syntactic structures,\ncalled justification terms. Justification logics can be seen as explicit\ncounterparts to modal logics. The behavior and interaction of agents... | null | null | null | null | true | null | 18939 | null | Default | null | null |
null | {
"abstract": " In the Number On the Forehead (NOF) multiparty communication model, $k$\nplayers want to evaluate a function $F : X_1 \\times\\cdots\\times X_k\\rightarrow\nY$ on some input $(x_1,\\dots,x_k)$ by broadcasting bits according to a\npredetermined protocol. The input is distributed in such a way that eac... | null | null | null | null | true | null | 18940 | null | Default | null | null |
null | {
"abstract": " A key challenge in online learning is that classical algorithms can be slow\nto adapt to changing environments. Recent studies have proposed \"meta\"\nalgorithms that convert any online learning algorithm to one that is adaptive\nto changing environments, where the adaptivity is analyzed in a quantit... | null | null | null | null | true | null | 18941 | null | Default | null | null |
null | {
"abstract": " Let $\\phi$ be a spherical Hecke-Maass cusp form on the non-compact space\n$\\mathrm{PGL}_3(\\mathbb{Z})\\backslash\\mathrm{PGL}_3(\\mathbb{R})$. We establish\nvarious pointwise upper bounds for $\\phi$ in terms of its Laplace eigenvalue\n$\\lambda_\\phi$. These imply, for $\\phi$ arithmetically norm... | null | null | null | null | true | null | 18942 | null | Default | null | null |
null | {
"abstract": " Newton's mechanical revolution unifies the motion of planets in the sky and\nfalling of apple on earth. Maxwell's electromagnetic revolution unifies\nelectricity, magnetism, and light. Einstein's relativity revolution unifies\nspace with time, and gravity with space-time distortion. The quantum revol... | null | null | null | null | true | null | 18943 | null | Default | null | null |
null | {
"abstract": " Data-driven predictive analytics are in use today across a number of\nindustrial applications, but further integration is hindered by the requirement\nof similarity among model training and test data distributions. This paper\naddresses the need of learning from possibly nonstationary data streams, o... | null | null | null | null | true | null | 18944 | null | Default | null | null |
null | {
"abstract": " We give an new proof of the well-known competitive exclusion principle in the\nchemostat model with $n$ species competing for a single resource, for any set\nof increasing growth functions. The proof is constructed by induction on the\nnumber of the species, after being ordered. It uses elementary an... | null | null | null | null | true | null | 18945 | null | Default | null | null |
null | {
"abstract": " Random Differential Equations provide a natural extension of Ordinary\nDifferential Equations to the stochastic setting. We show how, and under which\nconditions, every equilibrium state of a Random Differential Equation (RDE) can\nbe described by a Structural Causal Model (SCM), while pertaining the... | null | null | null | null | true | null | 18946 | null | Default | null | null |
null | {
"abstract": " Given a set of attributed subgraphs known to be from different classes, how\ncan we discover their differences? There are many cases where collections of\nsubgraphs may be contrasted against each other. For example, they may be\nassigned ground truth labels (spam/not-spam), or it may be desired to di... | null | null | null | null | true | null | 18947 | null | Default | null | null |
null | {
"abstract": " We present a new technique to probe the central dark matter (DM) density\nprofile of galaxies that harnesses both the survival and observed properties of\nstar clusters. As a first application, we apply our method to the `ultra-faint'\ndwarf Eridanus II (Eri II) that has a lone star cluster ~45 pc fr... | null | null | [
"Physics"
] | null | true | null | 18948 | null | Validated | null | null |
null | {
"abstract": " We propose the ambiguity problem for the foreground object segmentation task\nand motivate the importance of estimating and accounting for this ambiguity\nwhen designing vision systems. Specifically, we distinguish between images\nwhich lead multiple annotators to segment different foreground objects... | null | null | null | null | true | null | 18949 | null | Default | null | null |
null | {
"abstract": " Generalized polyhedral convex sets, generalized polyhedral convex functions\non locally convex Hausdorff topological vector spaces, and the related\nconstructions such as sum of sets, sum of functions, directional derivative,\ninfimal convolution, normal cone, conjugate function, subdifferential, are... | null | null | [
"Mathematics"
] | null | true | null | 18950 | null | Validated | null | null |
null | {
"abstract": " Proteins are commonly used by biochemical industry for numerous processes.\nRefining these proteins' properties via mutations causes stability effects as\nwell. Accurate computational method to predict how mutations affect protein\nstability are necessary to facilitate efficient protein design. Howev... | null | null | null | null | true | null | 18951 | null | Default | null | null |
null | {
"abstract": " In order to handle intense time pressure and survive in dynamic market,\nsoftware startups have to make crucial decisions constantly on whether to\nchange directions or stay on chosen courses, or in the terms of Lean Startup,\nto pivot or to persevere. The existing research and knowledge on software\... | null | null | null | null | true | null | 18952 | null | Default | null | null |
null | {
"abstract": " Recently, a link between Lorentzian and Finslerian Geometries has been\ncarried out, leading to the notion of wind Riemannian structure (WRS), a\ngeneralization of Finslerian Randers metrics. Here, we further develop this\nnotion and its applications to spacetimes, by introducing some\ncharacterizati... | null | null | null | null | true | null | 18953 | null | Default | null | null |
null | {
"abstract": " Recently, Grynkiewicz et al. [{\\it Israel J. Math.} {\\bf 193} (2013),\n359--398], using tools from additive combinatorics and group theory, proved\nnecessary and sufficient conditions under which the linear congruence\n$a_1x_1+\\cdots +a_kx_k\\equiv b \\pmod{n}$, where $a_1,\\ldots,a_k,b,n$ ($n\\ge... | null | null | null | null | true | null | 18954 | null | Default | null | null |
null | {
"abstract": " In order for robots to perform mission-critical tasks, it is essential that\nthey are able to quickly adapt to changes in their environment as well as to\ninjuries and or other bodily changes. Deep reinforcement learning has been\nshown to be successful in training robot control policies for operatio... | null | null | [
"Computer Science"
] | null | true | null | 18955 | null | Validated | null | null |
null | {
"abstract": " Based on the convex least-squares estimator, we propose two different\nprocedures for testing convexity of a probability mass function supported on N\nwith an unknown finite support. The procedures are shown to be asymptotically\ncalibrated.\n",
"title": "Testing convexity of a discrete distributio... | null | null | null | null | true | null | 18956 | null | Default | null | null |
null | {
"abstract": " There is often a significant trade-off between formulation strength and size\nin mixed integer programming (MIP). When modeling convex disjunctive\nconstraints (e.g. unions of convex sets), adding auxiliary continuous variables\ncan sometimes help resolve this trade-off. However, standard formulation... | null | null | null | null | true | null | 18957 | null | Default | null | null |
null | {
"abstract": " This paper addresses the problem of selecting from a choice of possible\ngrasps, so that impact forces will be minimised if a collision occurs while the\nrobot is moving the grasped object along a post-grasp trajectory. Such\nconsiderations are important for safety in human-robot interaction, where e... | null | null | null | null | true | null | 18958 | null | Default | null | null |
null | {
"abstract": " We derive estimators of the density of the event times of current status\ndata. The estimators are derived for the situations where the distribution of\nthe observation times is known and where this distribution is unknown. The\ndensity estimators are constructed from kernel estimators of the density... | null | null | null | null | true | null | 18959 | null | Default | null | null |
null | {
"abstract": " We propose a new approach to the Mirror Symmetry Conjecture in a form\nsuitable to possibly non-Kähler compact complex manifolds whose canonical\nbundle is trivial. We apply our methods by proving that the Iwasawa manifold\n$X$, a well-known non-Kähler compact complex manifold of dimension $3$, is\ni... | null | null | null | null | true | null | 18960 | null | Default | null | null |
null | {
"abstract": " Empirical researchers often trim observations with small denominator A when\nthey estimate moments of the form E[B/A]. Large trimming is a common practice\nto mitigate variance, but it incurs large trimming bias. This paper provides a\nnovel method of correcting large trimming bias. If a researcher i... | null | null | null | null | true | null | 18961 | null | Default | null | null |
null | {
"abstract": " In this paper, a real-time 105-channel data acquisition platform based on\nFPGA for imaging will be implemented for mm-wave imaging systems. PC platform\nis also realized for imaging results monitoring purpose. Mm-wave imaging\nexpands our vision by letting us see things under poor visibility conditi... | null | null | null | null | true | null | 18962 | null | Default | null | null |
null | {
"abstract": " Substitution of isovalent non-magnetic defects, such as Zn, in CuO2 plane\nstrongly modifies the magnetic properties of strongly electron correlated hole\ndoped cuprate superconductors. The reason for enhanced uniform magnetic\nsusceptibility, \\c{hi}, in Zn substituted cuprates is debatable. So far,... | null | null | [
"Physics"
] | null | true | null | 18963 | null | Validated | null | null |
null | {
"abstract": " Higher-order logic programming is an interesting extension of traditional\nlogic programming that allows predicates to appear as arguments and variables\nto be used where predicates typically occur. Higher-order characteristics are\nindeed desirable but on the other hand they are also usually more ex... | null | null | null | null | true | null | 18964 | null | Default | null | null |
null | {
"abstract": " We describe an approach, based on direct numerical solution of the Usadel\nequation, to finding stationary points of the free energy of superconducting\nnanorings. We consider both uniform (equilibrium) solutions and the critical\ndroplets that mediate activated transitions between them. For the unif... | null | null | null | null | true | null | 18965 | null | Default | null | null |
null | {
"abstract": " While all organisms on Earth descend from a common ancestor, there is no\nconsensus on whether the origin of this ancestral self-replicator was a one-off\nevent or whether it was only the final survivor of multiple origins. Here we\nuse the digital evolution system Avida to study the origin of self-r... | null | null | null | null | true | null | 18966 | null | Default | null | null |
null | {
"abstract": " We introduce two models of taxation, the latent and natural tax processes,\nwhich have both been used to represent loss-carry-forward taxation on the\ncapital of an insurance company. In the natural tax process, the tax rate is a\nfunction of the current level of capital, whereas in the latent tax pr... | null | null | null | null | true | null | 18967 | null | Default | null | null |
null | {
"abstract": " We provide a novel approach to model space-time random fields where the\ntemporal argument is decomposed into two parts. The former captures the linear\nargument, which is related, for instance, to the annual evolution of the field.\nThe latter is instead a circular variable describing, for instance,... | null | null | [
"Mathematics",
"Statistics"
] | null | true | null | 18968 | null | Validated | null | null |
null | {
"abstract": " We study the stability of coupled impedance passive regular linear systems\nunder power-preserving interconnections. We present new conditions for strong,\nexponential, and non-uniform stability of the closed-loop system. We apply the\nstability results to the construction of passive error feedback c... | null | null | [
"Mathematics"
] | null | true | null | 18969 | null | Validated | null | null |
null | {
"abstract": " In this paper, we consider the estimation of a mean vector of a multivariate\nnormal population where the mean vector is suspected to be nearly equal to mean\nvectors of $k-1$ other populations. As an alternative to the preliminary test\nestimator based on the test statistic for testing hypothesis of... | null | null | null | null | true | null | 18970 | null | Default | null | null |
null | {
"abstract": " In this paper, we consider a dense vehicular communication network where each\nvehicle broadcasts its safety information to its neighborhood in each\ntransmission period. Such applications require low latency and high\nreliability, and thus, we propose a non-orthogonal multiple access scheme to\nredu... | null | null | null | null | true | null | 18971 | null | Default | null | null |
null | {
"abstract": " We relate the old and new cohomology monoids of an arbitrary monoid $M$ with\ncoefficients in semimodules over $M$, introduced in the author's previous\npapers, to monoid and group extensions. More precisely, the old and new second\ncohomology monoids describe Schreier extensions of semimodules by mo... | null | null | null | null | true | null | 18972 | null | Default | null | null |
null | {
"abstract": " State-of-the-art methods in convex and non-convex optimization employ\nhigher-order derivative information, either implicitly or explicitly. We\nexplore the limitations of higher-order optimization and prove that even for\nconvex optimization, a polynomial dependence on the approximation guarantee an... | null | null | null | null | true | null | 18973 | null | Default | null | null |
null | {
"abstract": " We report the effects of Ce substitution on structural, electronic, and\nmagnetic properties of layered bismuth-chalcogenide La1-xCexOBiSSe (x = 0-0.9),\nwhich are newly obtained in this study. Metallic conductivity was observed for\nx > 0.1 because of electron carriers induced by mixed valence of Ce... | null | null | null | null | true | null | 18974 | null | Default | null | null |
null | {
"abstract": " We propose Gaussian processes for signals over graphs (GPG) using the apriori\nknowledge that the target vectors lie over a graph. We incorporate this\ninformation using a graph- Laplacian based regularization which enforces the\ntarget vectors to have a specific profile in terms of graph Fourier tra... | null | null | null | null | true | null | 18975 | null | Default | null | null |
null | {
"abstract": " To derive recommendations on how to analyze longitudinal data, we examined\nType I error rates of Multilevel Linear Models (MLM) and repeated measures\nAnalysis of Variance (rANOVA) using SAS and SPSS.We performed a simulation with\nthe following specifications: To explore the effects of high numbers... | null | null | null | null | true | null | 18976 | null | Default | null | null |
null | {
"abstract": " We consider alternate formulations of recently proposed hierarchical Nearest\nNeighbor Gaussian Process (NNGP) models (Datta et al., 2016a) for improved\nconvergence, faster computing time, and more robust and reproducible Bayesian\ninference. Algorithms are defined that improve CPU memory management... | null | null | null | null | true | null | 18977 | null | Default | null | null |
null | {
"abstract": " During the flyby in 2010, the OSIRIS camera on-board Rosetta acquired\nhundreds of high-resolution images of asteroid Lutetia's surface through a\nrange of narrow-band filters. While Lutetia appears very bland in the visible\nwavelength range, Magrin et al. (2012) tentatively identified UV color\nvar... | null | null | null | null | true | null | 18978 | null | Default | null | null |
null | {
"abstract": " We show that, for a given compact or discrete quantum group $G$, the class of\nactions of $G$ on C*-algebras is first-order axiomatizable in the logic for\nmetric structures. As an application, we extend the notion of Rokhlin property\nfor $G$-C*-algebra, introduced by Barlak, Szabó, and Voigt in the... | null | null | null | null | true | null | 18979 | null | Default | null | null |
null | {
"abstract": " In identification of dynamical systems, the prediction error method using a\nquadratic cost function provides asymptotically efficient estimates under\nGaussian noise and additional mild assumptions, but in general it requires\nsolving a non-convex optimization problem. An alternative class of method... | null | null | null | null | true | null | 18980 | null | Default | null | null |
null | {
"abstract": " Learning graphical models from data is an important problem with wide\napplications, ranging from genomics to the social sciences. Nowadays datasets\noften have upwards of thousands---sometimes tens or hundreds of thousands---of\nvariables and far fewer samples. To meet this challenge, we have develo... | null | null | null | null | true | null | 18981 | null | Default | null | null |
null | {
"abstract": " We consider restless multi-armed bandit (RMAB) with a finite horizon and\nmultiple pulls per period. Leveraging the Lagrangian relaxation, we approximate\nthe problem with a collection of single arm problems. We then propose an\nindex-based policy that uses optimal solutions of the single arm problem... | null | null | null | null | true | null | 18982 | null | Default | null | null |
null | {
"abstract": " We use Gauge/Gravity duality to write down an effective low energy\nholographic theory of charge density waves. We consider a simple gravity model\nwhich breaks translations spontaneously in the dual field theory in a\nhomogeneous manner, capturing the low energy dynamics of phonons coupled to\nconse... | null | null | [
"Physics"
] | null | true | null | 18983 | null | Validated | null | null |
null | {
"abstract": " We develop and analyze new protocols to verify the correctness of various\ncomputations on matrices over F[x], where F is a field. The properties we\nverify concern an F[x]-module and therefore cannot simply rely on\npreviously-developed linear algebra certificates which work only for vector\nspaces.... | null | null | [
"Computer Science"
] | null | true | null | 18984 | null | Validated | null | null |
null | {
"abstract": " We focus on autonomously generating robot motion for day to day physical\ntasks that is expressive of a certain style or emotion. Because we seek\ngeneralization across task instances and task types, we propose to capture\nstyle via cost functions that the robot can use to augment its nominal task\nc... | null | null | null | null | true | null | 18985 | null | Default | null | null |
null | {
"abstract": " The planar equilateral restricted four-body problem where two of the\nprimaries have equal masses is used in order to determine the Newton-Raphson\nbasins of convergence associated with the equilibrium points. The parametric\nvariation of the position of the libration points is monitored when the val... | null | null | null | null | true | null | 18986 | null | Default | null | null |
null | {
"abstract": " The secular approximation of the hierarchical three body systems has been\nproven to be very useful in addressing many astrophysical systems, from\nplanets, stars to black holes. In such a system two objects are on a tight\norbit, and the tertiary is on a much wider orbit. Here we study the dynamics ... | null | null | null | null | true | null | 18987 | null | Default | null | null |
null | {
"abstract": " For C*-algebras $A$ and $B$, we generalize the notion of a quasihomomorphism\nfrom $A$ to $B$, due to Cuntz, by considering quasihomomorphisms from some\nC*-algebra $C$ to $B$ such that $C$ surjects onto $A$, and the two maps forming\na quasihomomorphism agree on the kernel of this surjection. Under ... | null | null | null | null | true | null | 18988 | null | Default | null | null |
null | {
"abstract": " We study pattern formation in a 2-D reaction-diffusion (RD) sub-cellular\nmodel characterizing the effect of a spatial gradient of a plant hormone\ndistribution on a family of G-proteins associated with root-hair (RH)\ninitiation in the plant cell Arabidopsis thaliana. The activation of these\nG-prot... | null | null | null | null | true | null | 18989 | null | Default | null | null |
null | {
"abstract": " In modern biomedical research, it is ubiquitous to have multiple data sets\nmeasured on the same set of samples from different views (i.e., multi-view\ndata). For example, in genetic studies, multiple genomic data sets at different\nmolecular levels or from different cell types are measured for a com... | null | null | null | null | true | null | 18990 | null | Default | null | null |
null | {
"abstract": " Improving distant speech recognition is a crucial step towards flexible\nhuman-machine interfaces. Current technology, however, still exhibits a lack of\nrobustness, especially when adverse acoustic conditions are met. Despite the\nsignificant progress made in the last years on both speech enhancemen... | null | null | null | null | true | null | 18991 | null | Default | null | null |
null | {
"abstract": " This paper describes a preliminary study for producing and distributing a\nlarge-scale database of embeddings from the Portuguese Twitter stream. We start\nby experimenting with a relatively small sample and focusing on three\nchallenges: volume of training data, vocabulary size and intrinsic evaluat... | null | null | [
"Computer Science"
] | null | true | null | 18992 | null | Validated | null | null |
null | {
"abstract": " The combination of high-contrast imaging and high-dispersion spectroscopy,\nwhich has successfully been used to detect the atmosphere of a giant planet, is\none of the most promising potential probes of the atmosphere of Earth-size\nworlds. The forthcoming generation of extremely large telescopes (EL... | null | null | null | null | true | null | 18993 | null | Default | null | null |
null | {
"abstract": " Low-rank structures play important role in recent advances of many problems\nin image science and data science. As a natural extension of low-rank\nstructures for data with nonlinear structures, the concept of the\nlow-dimensional manifold structure has been considered in many data processing\nproble... | null | null | null | null | true | null | 18994 | null | Default | null | null |
null | {
"abstract": " Many scenarios require a robot to be able to explore its 3D environment\nonline without human supervision. This is especially relevant for inspection\ntasks and search and rescue missions. To solve this high-dimensional path\nplanning problem, sampling-based exploration algorithms have proven success... | null | null | null | null | true | null | 18995 | null | Default | null | null |
null | {
"abstract": " In 2012, JPMorgan accumulated a USD~6.2 billion loss on a credit derivatives\nportfolio, the so-called `London Whale', partly as a consequence of\nde-correlations of non-perfectly correlated positions that were supposed to\nhedge each other. Motivated by this case, we devise a factor model for\ncorre... | null | null | null | null | true | null | 18996 | null | Default | null | null |
null | {
"abstract": " We develop a topology data analysis-based method to detect early signs for\ncritical transitions in financial data. From the time-series of multiple stock\nprices, we build time-dependent correlation networks, which exhibit topological\nstructures. We compute the persistent homology associated to the... | null | null | null | null | true | null | 18997 | null | Default | null | null |
null | {
"abstract": " One of the defining features of many-body localization is the presence of\nextensively many quasi-local conserved quantities. These constants of motion\nconstitute a corner-stone to an intuitive understanding of much of the\nphenomenology of many-body localized systems arising from effective\nHamilto... | null | null | null | null | true | null | 18998 | null | Default | null | null |
null | {
"abstract": " We study the action of the dihedral group on the (equivariant) cohomology of\nthe toric manifolds associated with cycle graphs.\n",
"title": "Toric manifolds over cyclohedra"
} | null | null | null | null | true | null | 18999 | null | Default | null | null |
null | {
"abstract": " As a living information and communications system, the genome encodes\npatterns in single nucleotide polymorphisms (SNPs) reflecting human adaption\nthat optimizes population survival in differing environments. This paper\nmathematically models environmentally induced adaptive forces that quantify\nc... | null | null | null | null | true | null | 19000 | null | Default | null | null |
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