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Title: A geometric attractor mechanism for self-organization of entorhinal grid modules, Abstract: Grid cells in the medial entorhinal cortex (mEC) respond when an animal occupies a periodic lattice of "grid fields" in the environment. The grids are organized in modules with spatial periods clustered around discrete va...
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Title: Attacking Strategies and Temporal Analysis Involving Facebook Discussion Groups, Abstract: Online social network (OSN) discussion groups are exerting significant effects on political dialogue. In the absence of access control mechanisms, any user can contribute to any OSN thread. Individuals can exploit this cha...
[ 1, 0, 0, 0, 0, 0 ]
Title: Perception-based energy functions in seam-cutting, Abstract: Image stitching is challenging in consumer-level photography, due to alignment difficulties in unconstrained shooting environment. Recent studies show that seam-cutting approaches can effectively relieve artifacts generated by local misalignment. Norma...
[ 1, 0, 0, 0, 0, 0 ]
Title: Probabilistic learning of nonlinear dynamical systems using sequential Monte Carlo, Abstract: Probabilistic modeling provides the capability to represent and manipulate uncertainty in data, models, predictions and decisions. We are concerned with the problem of learning probabilistic models of dynamical systems ...
[ 1, 0, 0, 1, 0, 0 ]
Title: Deep Projective 3D Semantic Segmentation, Abstract: Semantic segmentation of 3D point clouds is a challenging problem with numerous real-world applications. While deep learning has revolutionized the field of image semantic segmentation, its impact on point cloud data has been limited so far. Recent attempts, ba...
[ 1, 0, 0, 0, 0, 0 ]
Title: Dynamic Pricing with Finitely Many Unknown Valuations, Abstract: Motivated by posted price auctions where buyers are grouped in an unknown number of latent types characterized by their private values for the good on sale, we investigate revenue maximization in stochastic dynamic pricing when the distribution of ...
[ 0, 0, 0, 1, 0, 0 ]
Title: Haar systems, KMS states on von Neumann algebras and $C^*$-algebras on dynamically defined groupoids and Noncommutative Integration, Abstract: We analyse certain Haar systems associated to groupoids obtained by certain natural equivalence relations of dynamical nature on sets like $\{1,2,...,d\}^\mathbb{Z}$, $\{...
[ 0, 0, 1, 0, 0, 0 ]
Title: Restoring a smooth function from its noisy integrals, Abstract: Numerical (and experimental) data analysis often requires the restoration of a smooth function from a set of sampled integrals over finite bins. We present the bin hierarchy method that efficiently computes the maximally smooth function from the sam...
[ 0, 1, 0, 1, 0, 0 ]
Title: Adversarial Active Learning for Deep Networks: a Margin Based Approach, Abstract: We propose a new active learning strategy designed for deep neural networks. The goal is to minimize the number of data annotation queried from an oracle during training. Previous active learning strategies scalable for deep networ...
[ 0, 0, 0, 1, 0, 0 ]
Title: Improving SIEM capabilities through an enhanced probe for encrypted Skype traffic detection, Abstract: Nowadays, the Security Information and Event Management (SIEM) systems take on great relevance in handling security issues for critical infrastructures as Internet Service Providers. Basically, a SIEM has two m...
[ 1, 0, 0, 0, 0, 0 ]
Title: Escaping Saddle Points with Adaptive Gradient Methods, Abstract: Adaptive methods such as Adam and RMSProp are widely used in deep learning but are not well understood. In this paper, we seek a crisp, clean and precise characterization of their behavior in nonconvex settings. To this end, we first provide a nove...
[ 1, 0, 0, 1, 0, 0 ]
Title: The Effect of Temperature on Cu-K-In-Se Thin Films, Abstract: Films of Cu-K-In-Se were co-evaporated at varied K/(K+Cu) compositions and substrate temperatures (with constant (K+Cu)/In ~ 0.85). Increased Na composition on the substrate's surface and decreased growth temperature were both found to favor Cu1-xKxIn...
[ 0, 1, 0, 0, 0, 0 ]
Title: Simulations of the Solar System's Early Dynamical Evolution with a Self-Gravitating Planetesimal Disk, Abstract: Over the course of last decade, the Nice model has dramatically changed our view of the solar system's formation and early evolution. Within the context of this model, a transient period of planet-pla...
[ 0, 1, 0, 0, 0, 0 ]
Title: On weak Fraisse limits, Abstract: Using the natural action of $S_\infty$ we show that a countable hereditary class $\cC$ of finitely generated structures has the joint embedding property (JEP) and the weak amalgamation property (WAP) if and only if there is a structure $M$ whose isomorphism type is comeager in t...
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Title: Promoting Saving for College Through Data Science, Abstract: The cost of attending college has been steadily rising and in 10 years is estimated to reach $140,000 for a 4-year public university. Recent surveys estimate just over half of US families are saving for college. State-operated 529 college savings plans...
[ 1, 0, 0, 0, 0, 0 ]
Title: Rotation Blurring: Use of Artificial Blurring to Reduce Cybersickness in Virtual Reality First Person Shooters, Abstract: Users of Virtual Reality (VR) systems often experience vection, the perception of self-motion in the absence of any physical movement. While vection helps to improve presence in VR, it often ...
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Title: Comparative Benchmarking of Causal Discovery Techniques, Abstract: In this paper we present a comprehensive view of prominent causal discovery algorithms, categorized into two main categories (1) assuming acyclic and no latent variables, and (2) allowing both cycles and latent variables, along with experimental ...
[ 1, 0, 0, 1, 0, 0 ]
Title: Sensitivity of Love and quasi-Rayleigh waves to model parameters, Abstract: We examine the sensitivity of the Love and the quasi-Rayleigh waves to model parameters. Both waves are guided waves that propagate in the same model of an elastic layer above an elastic halfspace. We study their dispersion curves withou...
[ 0, 1, 0, 0, 0, 0 ]
Title: The image size of iterated rational maps over finite fields, Abstract: Let $\varphi:\mathbb{F}_q\to\mathbb{F}_q$ be a rational map on a fixed finite field. We give explicit asymptotic formulas for the size of image sets $\varphi^n(\mathbb{F}_q)$ as a function of $n$. This is done by using properties of the Galoi...
[ 0, 0, 1, 0, 0, 0 ]
Title: Noncommutative modular symbols and Eisenstein series, Abstract: We form real-analytic Eisenstein series twisted by Manin's noncommutative modular symbols. After developing their basic properties, these series are shown to have meromorphic continuations to the entire complex plane and satisfy functional equations...
[ 0, 0, 1, 0, 0, 0 ]
Title: Some rigidity characterizations on critical metrics for quadratic curvature functionals, Abstract: We study closed $n$-dimensional manifolds of which the metrics are critical for quadratic curvature functionals involving the Ricci curvature, the scalar curvature and the Riemannian curvature tensor on the space o...
[ 0, 0, 1, 0, 0, 0 ]
Title: Profinite completions of Burnside-type quotients of surface groups, Abstract: Using quantum representations of mapping class groups we prove that profinite completions of Burnside-type surface group quotients are not virtually prosolvable, in general. Further, we construct infinitely many finite simple character...
[ 0, 0, 1, 0, 0, 0 ]
Title: Learning Infinite RBMs with Frank-Wolfe, Abstract: In this work, we propose an infinite restricted Boltzmann machine~(RBM), whose maximum likelihood estimation~(MLE) corresponds to a constrained convex optimization. We consider the Frank-Wolfe algorithm to solve the program, which provides a sparse solution that...
[ 1, 0, 0, 1, 0, 0 ]
Title: New low-mass eclipsing binary systems in Praesepe discovered by K2, Abstract: We present the discovery of four low-mass ($M<0.6$ $M_\odot$) eclipsing binary (EB) systems in the sub-Gyr old Praesepe open cluster using Kepler/K2 time-series photometry and Keck/HIRES spectroscopy. We present a new Gaussian process ...
[ 0, 1, 0, 0, 0, 0 ]
Title: The impact of the halide cage on the electronic properties of fully inorganic caesium lead halide perovskites, Abstract: Perovskite solar cells with record power conversion efficiency are fabricated by alloying both hybrid and fully inorganic compounds. While the basic electronic properties of the hybrid perovsk...
[ 0, 1, 0, 0, 0, 0 ]
Title: Discovery of Giant Radio Galaxies from NVSS: Radio & Infrared Properties, Abstract: Giant radio galaxies (GRGs) are one of the largest astrophysical sources in the Universe with an overall projected linear size of ~0.7 Mpc or more. Last six decades of radio astronomy research has led to the detection of thousand...
[ 0, 1, 0, 0, 0, 0 ]
Title: SGD: General Analysis and Improved Rates, Abstract: We propose a general yet simple theorem describing the convergence of SGD under the arbitrary sampling paradigm. Our theorem describes the convergence of an infinite array of variants of SGD, each of which is associated with a specific probability law governing...
[ 1, 0, 0, 1, 0, 0 ]
Title: Nonconvex One-bit Single-label Multi-label Learning, Abstract: We study an extreme scenario in multi-label learning where each training instance is endowed with a single one-bit label out of multiple labels. We formulate this problem as a non-trivial special case of one-bit rank-one matrix sensing and develop an...
[ 1, 0, 0, 1, 0, 0 ]
Title: Two Categories of Indoor Interactive Dynamics of a Large-scale Human Population in a WiFi covered university campus, Abstract: To explore large-scale population indoor interactions, we analyze 18,715 users' WiFi access logs recorded in a Chinese university campus during 3 months, and define two categories of hum...
[ 1, 1, 0, 0, 0, 0 ]
Title: Robust estimators for generalized linear models with a dispersion parameter, Abstract: Highly robust and efficient estimators for the generalized linear model with a dispersion parameter are proposed. The estimators are based on three steps. In the first step the maximum rank correlation estimator is used to con...
[ 0, 0, 0, 1, 0, 0 ]
Title: Abstracting Event-Driven Systems with Lifestate Rules, Abstract: We present lifestate rules--an approach for abstracting event-driven object protocols. Developing applications against event-driven software frameworks is notoriously difficult. One reason why is that to create functioning applications, developers ...
[ 1, 0, 0, 0, 0, 0 ]
Title: Boltzmann Encoded Adversarial Machines, Abstract: Restricted Boltzmann Machines (RBMs) are a class of generative neural network that are typically trained to maximize a log-likelihood objective function. We argue that likelihood-based training strategies may fail because the objective does not sufficiently penal...
[ 0, 0, 0, 1, 0, 0 ]
Title: A Non-Gaussian, Nonparametric Structure for Gene-Gene and Gene-Environment Interactions in Case-Control Studies Based on Hierarchies of Dirichlet Processes, Abstract: It is becoming increasingly clear that complex interactions among genes and environmental factors play crucial roles in triggering complex disease...
[ 0, 0, 0, 1, 0, 0 ]
Title: An Efficient Bayesian Robust Principal Component Regression, Abstract: Principal component regression is a linear regression model with principal components as regressors. This type of modelling is particularly useful for prediction in settings with high-dimensional covariates. Surprisingly, the existing literat...
[ 0, 0, 0, 1, 0, 0 ]
Title: Bayesian estimation from few samples: community detection and related problems, Abstract: We propose an efficient meta-algorithm for Bayesian estimation problems that is based on low-degree polynomials, semidefinite programming, and tensor decomposition. The algorithm is inspired by recent lower bound constructi...
[ 1, 0, 0, 1, 0, 0 ]
Title: X-ray Transform and Boundary Rigidity for Asymptotically Hyperbolic Manifolds, Abstract: We consider the boundary rigidity problem for asymptotically hyperbolic manifolds. We show injectivity of the X-ray transform in several cases and consider the non-linear inverse problem which consists of recovering a metric...
[ 0, 0, 1, 0, 0, 0 ]
Title: Pinning of longitudinal phonons in holographic spontaneous helices, Abstract: We consider the spontaneous breaking of translational symmetry and identify the associated Goldstone mode -- a longitudinal phonon -- in a holographic model with Bianchi VII helical symmetry. For the first time in holography, we observ...
[ 0, 1, 0, 0, 0, 0 ]
Title: An Extension of the Method of Brackets. Part 1, Abstract: The method of brackets is an efficient method for the evaluation of a large class of definite integrals on the half-line. It is based on a small collection of rules, some of which are heuristic. The extension discussed here is based on the concepts of nul...
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Title: optimParallel: an R Package Providing Parallel Versions of the Gradient-Based Optimization Methods of optim(), Abstract: The R package optimParallel provides a parallel version of the gradient-based optimization methods of optim(). The main function of the package is optimParallel(), which has the same usage and...
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Title: The barocaloric effect: A Spin-off of the Discovery of High-Temperature Superconductivity, Abstract: Some key results obtained in joint research projects with Alex Müller are summarized, concentrating on the invention of the barocaloric effect and its application for cooling as well as on important findings in t...
[ 0, 1, 0, 0, 0, 0 ]
Title: Spontaneous currents in superconducting systems with strong spin-orbit coupling, Abstract: We show that Rashba spin-orbit coupling at the interface between a superconductor and a ferromagnet should produce a spontaneous current in the atomic thickness region near the interface. This current is counter-balanced b...
[ 0, 1, 0, 0, 0, 0 ]
Title: Catching Loosely Synchronized Behavior in Face of Camouflage, Abstract: Fraud has severely detrimental impacts on the business of social networks and other online applications. A user can become a fake celebrity by purchasing "zombie followers" on Twitter. A merchant can boost his reputation through fake reviews...
[ 1, 0, 0, 0, 0, 0 ]
Title: Three-dimensional localized-delocalized Anderson transition in the time domain, Abstract: Systems which can spontaneously reveal periodic evolution are dubbed time crystals. This is in analogy with space crystals that display periodic behavior in configuration space. While space crystals are modelled with the he...
[ 0, 1, 0, 0, 0, 0 ]
Title: Socio-economic constraints to maximum human lifespan, Abstract: The analysis of the demographic transition of the past century and a half, using both empirical data and mathematical models, has rendered a wealth of well-established facts, including the dramatic increases in life expectancy. Despite these insight...
[ 0, 0, 0, 1, 1, 0 ]
Title: SD-CPS: Taming the Challenges of Cyber-Physical Systems with a Software-Defined Approach, Abstract: Cyber-Physical Systems (CPS) revolutionize various application domains with integration and interoperability of networking, computing systems, and mechanical devices. Due to its scale and variety, CPS faces a numb...
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Title: Dual Ore's theorem on distributive intervals of finite groups, Abstract: This paper gives a self-contained group-theoretic proof of a dual version of a theorem of Ore on distributive intervals of finite groups. We deduce a bridge between combinatorics and representations in finite group theory.
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Title: A construction of trivial Beltrami coefficients, Abstract: A measurable function $\mu$ on the unit disk $\mathbb{D}$ of the complex plane with $\|\mu\|_\infty<1$ is sometimes called a Beltrami coefficient. We say that $\mu$ is trivial if it is the complex dilatation $f_{\bar z}/f_z$ of a quasiconformal automorph...
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Title: A GNS construction of three-dimensional abelian Dijkgraaf-Witten theories, Abstract: We give a detailed account of the so-called "universal construction" that aims to extend invariants of closed manifolds, possibly with additional structure, to topological field theories and show that it amounts to a generalizat...
[ 0, 0, 1, 0, 0, 0 ]
Title: Long-path formation in a deformed microdisk laser, Abstract: An asymmetric resonant cavity can be used to form a path that is much longer than the cavity size. We demonstrate this capability for a deformed microdisk equipped with two linear waveguides, by constructing a multiply reflected periodic orbit that is ...
[ 0, 1, 0, 0, 0, 0 ]
Title: Spitzer Observations of Large Amplitude Variables in the LMC and IC 1613, Abstract: The 3.6 and 4.5 micron characteristics of AGB variables in the LMC and IC1613 are discussed. For C-rich Mira variables there is a very clear period-luminosity-colour relation, where the [3.6]-[4.5] colour is associated with the a...
[ 0, 1, 0, 0, 0, 0 ]
Title: Synergistic Team Composition, Abstract: Effective teams are crucial for organisations, especially in environments that require teams to be constantly created and dismantled, such as software development, scientific experiments, crowd-sourcing, or the classroom. Key factors influencing team performance are compet...
[ 1, 0, 0, 0, 0, 0 ]
Title: The inverse hull of 0-left cancellative semigroups, Abstract: Given a semigroup S with zero, which is left-cancellative in the sense that st=sr \neq 0 implies that t=r, we construct an inverse semigroup called the inverse hull of S, denoted H(S). When S admits least common multiples, in a precise sense defined b...
[ 0, 0, 1, 0, 0, 0 ]
Title: The Hadamard Determinant Inequality - Extensions to Operators on a Hilbert Space, Abstract: A generalization of classical determinant inequalities like Hadamard's inequality and Fischer's inequality is studied. For a version of the inequalities originally proved by Arveson for positive operators in von Neumann a...
[ 0, 0, 1, 0, 0, 0 ]
Title: Experimental results : Reinforcement Learning of POMDPs using Spectral Methods, Abstract: We propose a new reinforcement learning algorithm for partially observable Markov decision processes (POMDP) based on spectral decomposition methods. While spectral methods have been previously employed for consistent learn...
[ 1, 0, 0, 1, 0, 0 ]
Title: Discreteness of silting objects and t-structures in triangulated categories, Abstract: We introduce the notion of ST-pairs of triangulated subcategories, a prototypical example of which is the pair of the bound homotopy category and the bound derived category of a finite-dimensional algebra. For an ST-pair $(\C,...
[ 0, 0, 1, 0, 0, 0 ]
Title: Sketching the order of events, Abstract: We introduce features for massive data streams. These stream features can be thought of as "ordered moments" and generalize stream sketches from "moments of order one" to "ordered moments of arbitrary order". In analogy to classic moments, they have theoretical guarantees...
[ 1, 0, 1, 1, 0, 0 ]
Title: Deep Multi-view Learning to Rank, Abstract: We study the problem of learning to rank from multiple sources. Though multi-view learning and learning to rank have been studied extensively leading to a wide range of applications, multi-view learning to rank as a synergy of both topics has received little attention....
[ 0, 0, 0, 1, 0, 0 ]
Title: One-Shot Visual Imitation Learning via Meta-Learning, Abstract: In order for a robot to be a generalist that can perform a wide range of jobs, it must be able to acquire a wide variety of skills quickly and efficiently in complex unstructured environments. High-capacity models such as deep neural networks can en...
[ 1, 0, 0, 0, 0, 0 ]
Title: Second variation of Selberg zeta functions and curvature asymptotics, Abstract: We give an explicit formula for the second variation of the logarithm of the Selberg zeta function, $Z(s)$, on Teichmüller space. We then use this formula to determine the asymptotic behavior as $s \to \infty$ of the second variation...
[ 0, 0, 1, 0, 0, 0 ]
Title: Magnetic Fields Threading Black Holes: restrictions from general relativity and implications for astrophysical black holes, Abstract: The idea that black hole spin is instrumental in the generation of powerful jets in active galactic nuclei and X-ray binaries is arguably the most contentious claim in black hole ...
[ 0, 1, 0, 0, 0, 0 ]
Title: Distance covariance for stochastic processes, Abstract: The distance covariance of two random vectors is a measure of their dependence. The empirical distance covariance and correlation can be used as statistical tools for testing whether two random vectors are independent. We propose an analogs of the distance ...
[ 0, 0, 1, 1, 0, 0 ]
Title: On Nonparametric Regression using Data Depth, Abstract: We investigate nonparametric regression methods based on statistical depth functions. These nonparametric regression procedures can be used in situations, where the response is multivariate and the covariate is a random element in a metric space. This inclu...
[ 0, 0, 0, 1, 0, 0 ]
Title: A Backward Simulation Method for Stochastic Optimal Control Problems, Abstract: A number of optimal decision problems with uncertainty can be formulated into a stochastic optimal control framework. The Least-Squares Monte Carlo (LSMC) algorithm is a popular numerical method to approach solutions of such stochast...
[ 0, 0, 0, 0, 0, 1 ]
Title: Damped Posterior Linearization Filter, Abstract: The iterated posterior linearization filter (IPLF) is an algorithm for Bayesian state estimation that performs the measurement update using iterative statistical regression. The main result behind IPLF is that the posterior approximation is more accurate when the ...
[ 0, 0, 1, 1, 0, 0 ]
Title: Status updates through M/G/1/1 queues with HARQ, Abstract: We consider a system where randomly generated updates are to be transmitted to a monitor, but only a single update can be in the transmission service at a time. Therefore, the source has to prioritize between the two possible transmission policies: preem...
[ 1, 0, 0, 0, 0, 0 ]
Title: A mean score method for sensitivity analysis to departures from the missing at random assumption in randomised trials, Abstract: Most analyses of randomised trials with incomplete outcomes make untestable assumptions and should therefore be subjected to sensitivity analyses. However, methods for sensitivity anal...
[ 0, 0, 1, 1, 0, 0 ]
Title: On the union complexity of families of axis-parallel rectangles with a low packing number, Abstract: Let R be a family of n axis-parallel rectangles with packing number p-1, meaning that among any p of the rectangles, there are two with a non-empty intersection. We show that the union complexity of R is at most ...
[ 1, 0, 1, 0, 0, 0 ]
Title: Using photo-ionisation models to derive carbon and oxygen gas-phase abundances in the rest UV, Abstract: We present a new method to derive oxygen and carbon abundances using the ultraviolet (UV) lines emitted by the gas-phase ionised by massive stars. The method is based on the comparison of the nebular emission...
[ 0, 1, 0, 0, 0, 0 ]
Title: A Probabilistic Framework for Location Inference from Social Media, Abstract: We study the extent to which we can infer users' geographical locations from social media. Location inference from social media can benefit many applications, such as disaster management, targeted advertising, and news content tailorin...
[ 1, 0, 0, 0, 0, 0 ]
Title: The Novel ABALONE Photosensor Technology: 4-Year Long Tests of Vacuum Integrity, Internal Pumping and Afterpulsing, Abstract: The ABALONE Photosensor Technology (U.S. Patent 9064678 2015) has the capability of supplanting the expensive 80 year old Photomultiplier Tube (PMT) manufacture by providing a modern and ...
[ 0, 1, 0, 0, 0, 0 ]
Title: Multi-robot Dubins Coverage with Autonomous Surface Vehicles, Abstract: In large scale coverage operations, such as marine exploration or aerial monitoring, single robot approaches are not ideal, as they may take too long to cover a large area. In such scenarios, multi-robot approaches are preferable. Furthermor...
[ 1, 0, 0, 0, 0, 0 ]
Title: New Fairness Metrics for Recommendation that Embrace Differences, Abstract: We study fairness in collaborative-filtering recommender systems, which are sensitive to discrimination that exists in historical data. Biased data can lead collaborative filtering methods to make unfair predictions against minority grou...
[ 1, 0, 0, 0, 0, 0 ]
Title: Graph heat mixture model learning, Abstract: Graph inference methods have recently attracted a great interest from the scientific community, due to the large value they bring in data interpretation and analysis. However, most of the available state-of-the-art methods focus on scenarios where all available data c...
[ 1, 0, 0, 1, 0, 0 ]
Title: Technical Report: Reactive Navigation in Partially Known Non-Convex Environments, Abstract: This paper presents a provably correct method for robot navigation in 2D environments cluttered with familiar but unexpected non-convex, star-shaped obstacles as well as completely unknown, convex obstacles. We presuppose...
[ 1, 0, 0, 0, 0, 0 ]
Title: Automatic smoothness detection of the resolvent Krylov subspace method for the approximation of $C_0$-semigroups, Abstract: The resolvent Krylov subspace method builds approximations to operator functions $f(A)$ times a vector $v$. For the semigroup and related operator functions, this method is proved to posses...
[ 0, 0, 1, 0, 0, 0 ]
Title: On the observability of Pauli crystals, Abstract: The best known manifestation of the Fermi-Dirac statistics is the Pauli exclusion principle: no two identical fermions can occupy the same one-particle state. This principle enforces high order correlations in systems of many identical fermions and is responsible...
[ 0, 1, 0, 0, 0, 0 ]
Title: Interpolating Between Choices for the Approximate Intermediate Value Theorem, Abstract: This paper proves the approximate intermediate value theorem, constructively and from notably weak hypotheses: from pointwise rather than uniform continuity, without assuming that reals are presented with rational approximant...
[ 1, 0, 1, 0, 0, 0 ]
Title: HAZMAT II: Ultraviolet Variability of Low-Mass Stars in the GALEX Archive, Abstract: The ultraviolet (UV) light from a host star influences a planet's atmospheric photochemistry and will affect interpretations of exoplanetary spectra from future missions like the James Webb Space Telescope. These effects will be...
[ 0, 1, 0, 0, 0, 0 ]
Title: Exactly solvable Schrödinger equation with double-well potential for hydrogen bond, Abstract: We construct a double-well potential for which the Schrödinger equation can be exactly solved via reducing to the confluent Heun's one. Thus the wave function is expressed via the confluent Heun's function. The latter i...
[ 0, 1, 0, 0, 0, 0 ]
Title: The co-evolution of emotional well-being with weak and strong friendship ties, Abstract: Social ties are strongly related to well-being. But what characterizes this relationship? This study investigates social mechanisms explaining how social ties affect well-being through social integration and social influence...
[ 1, 0, 0, 1, 0, 0 ]
Title: A magnetic version of the Smilansky-Solomyak model, Abstract: We analyze spectral properties of two mutually related families of magnetic Schrödinger operators, $H_{\mathrm{Sm}}(A)=(i \nabla +A)^2+\omega^2 y^2+\lambda y \delta(x)$ and $H(A)=(i \nabla +A)^2+\omega^2 y^2+ \lambda y^2 V(x y)$ in $L^2(R^2)$, with th...
[ 0, 0, 1, 0, 0, 0 ]
Title: John-Nirenberg Radius and Collapse in Conformal Geometry, Abstract: Given a positive function $u\in W^{1,n}$, we define its John-Nirenberg radius at point $x$ to be the supreme of the radius such that $\int_{B_t}|\nabla\log u|^n<\epsilon_0^n$ when $n>2$, and $\int_{B_t}|\nabla u|^2<\epsilon_0^2$ when $n=2$. We w...
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Title: Deep Prior, Abstract: The recent literature on deep learning offers new tools to learn a rich probability distribution over high dimensional data such as images or sounds. In this work we investigate the possibility of learning the prior distribution over neural network parameters using such tools. Our resulting...
[ 1, 0, 0, 1, 0, 0 ]
Title: Generalized two-dimensional linear discriminant analysis with regularization, Abstract: Recent advances show that two-dimensional linear discriminant analysis (2DLDA) is a successful matrix based dimensionality reduction method. However, 2DLDA may encounter the singularity issue theoretically and the sensitivity...
[ 0, 0, 0, 1, 0, 0 ]
Title: Time-Frequency Audio Features for Speech-Music Classification, Abstract: Distinct striation patterns are observed in the spectrograms of speech and music. This motivated us to propose three novel time-frequency features for speech-music classification. These features are extracted in two stages. First, a preset ...
[ 1, 0, 0, 0, 0, 0 ]
Title: Kinodynamic Planning on Constraint Manifolds, Abstract: This paper presents a motion planner for systems subject to kinematic and dynamic constraints. The former appear when kinematic loops are present in the system, such as in parallel manipulators, in robots that cooperate to achieve a given task, or in situat...
[ 1, 0, 0, 0, 0, 0 ]
Title: Binary Classification from Positive-Confidence Data, Abstract: Can we learn a binary classifier from only positive data, without any negative data or unlabeled data? We show that if one can equip positive data with confidence (positive-confidence), one can successfully learn a binary classifier, which we name po...
[ 1, 0, 0, 1, 0, 0 ]
Title: Skewing Methods for Variance-Stabilizing Local Linear Regression Estimation, Abstract: It is well-known that kernel regression estimators do not produce a constant estimator variance over a domain. To correct this problem, Nishida and Kanazawa (2015) proposed a variance-stabilizing (VS) local variable bandwidth ...
[ 0, 0, 0, 1, 0, 0 ]
Title: Proximodistal Exploration in Motor Learning as an Emergent Property of Optimization, Abstract: To harness the complexity of their high-dimensional bodies during sensorimotor development, infants are guided by patterns of freezing and freeing of degrees of freedom. For instance, when learning to reach, infants fr...
[ 1, 0, 0, 0, 0, 0 ]
Title: Near-optimal Sample Complexity Bounds for Robust Learning of Gaussians Mixtures via Compression Schemes, Abstract: We prove that $\tilde{\Theta}(k d^2 / \varepsilon^2)$ samples are necessary and sufficient for learning a mixture of $k$ Gaussians in $\mathbb{R}^d$, up to error $\varepsilon$ in total variation dis...
[ 1, 0, 1, 0, 0, 0 ]
Title: Induction of Non-Monotonic Logic Programs to Explain Boosted Tree Models Using LIME, Abstract: We present a heuristic based algorithm to induce \textit{nonmonotonic} logic programs that will explain the behavior of XGBoost trained classifiers. We use the technique based on the LIME approach to locally select the...
[ 0, 0, 0, 1, 0, 0 ]
Title: Combining Self-Supervised Learning and Imitation for Vision-Based Rope Manipulation, Abstract: Manipulation of deformable objects, such as ropes and cloth, is an important but challenging problem in robotics. We present a learning-based system where a robot takes as input a sequence of images of a human manipula...
[ 1, 0, 0, 0, 0, 0 ]
Title: Online learning with graph-structured feedback against adaptive adversaries, Abstract: We derive upper and lower bounds for the policy regret of $T$-round online learning problems with graph-structured feedback, where the adversary is nonoblivious but assumed to have a bounded memory. We obtain upper bounds of $...
[ 0, 0, 0, 1, 0, 0 ]
Title: Dynamical characteristics of electromagnetic field under conditions of total reflection, Abstract: The dynamical characteristics of electromagnetic fields include energy, momentum, angular momentum (spin) and helicity. We analyze their spatial distributions near the planar interface between two transparent and n...
[ 0, 1, 0, 0, 0, 0 ]
Title: Functors induced by Cauchy extension of C*-algebras, Abstract: In this paper we give three functors $\mathfrak{P}$, $[\cdot]_K$ and $\mathfrak{F}$ on the category of C$^\ast$-algebras. The functor $\mathfrak{P}$ assigns to each C$^\ast$-algebra $\mathcal{A}$ a pre-C$^\ast$-algebra $\mathfrak{P}(\mathcal{A})$ wit...
[ 0, 0, 1, 0, 0, 0 ]
Title: Hierarchically cocompact classifying spaces for mapping class groups of surfaces, Abstract: We define the notion of a hierarchically cocompact classifying space for a family of subgroups of a group. Our main application is to show that the mapping class group $\mbox{Mod}(S)$ of any connected oriented compact sur...
[ 0, 0, 1, 0, 0, 0 ]
Title: A Likelihood-Free Inference Framework for Population Genetic Data using Exchangeable Neural Networks, Abstract: An explosion of high-throughput DNA sequencing in the past decade has led to a surge of interest in population-scale inference with whole-genome data. Recent work in population genetics has centered on...
[ 0, 0, 0, 1, 1, 0 ]
Title: Coherent single-atom superradiance, Abstract: Quantum effects, prevalent in the microscopic scale, generally elusive in macroscopic systems due to dissipation and decoherence. Quantum phenomena in large systems emerge only when particles are strongly correlated as in superconductors and superfluids. Cooperative ...
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Title: Recurrent Deterministic Policy Gradient Method for Bipedal Locomotion on Rough Terrain Challenge, Abstract: This paper presents a deep learning framework that is capable of solving partially observable locomotion tasks based on our novel interpretation of Recurrent Deterministic Policy Gradient (RDPG). We study ...
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Title: Diversified essential properties in halogenated graphenes, Abstract: The significant halogenation effects on the essential properties of graphene are investigated by the first-principles method. The geometric structures, electronic properties, and magnetic configurations are greatly diversified under the various...
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