Latest published papers

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Prescribing the $\bar Q^{\prime}$-Curvature on Pseudo-Einstein CR 3-ManifoldsApr 22 2019In this paper we study the problem of prescribing the $\bar Q^{\prime}$-curvature on pseudo-Einstein CR 3-manifolds. In the first stage we study the problem in the compact setting and we show that under natural assumptions, one can prescribe any positive ... More
Superquadrics Revisited: Learning 3D Shape Parsing beyond CuboidsApr 22 2019Abstracting complex 3D shapes with parsimonious part-based representations has been a long standing goal in computer vision. This paper presents a learning-based solution to this problem which goes beyond the traditional 3D cuboid representation by exploiting ... More
Pyknotic objects, I. Basic notionsApr 22 2019Pyknotic objects in are sheaves on the site of compacta. These provide a convenient way to do algebra and homotopy theory with additional topological information present. This appears, for example, when trying to contemplate the derived category of a ... More
Lattice Gauge Theory for Physics Beyond the Standard ModelApr 22 2019This document is one of a series of whitepapers from the USQCD collaboration. Here, we discuss opportunities for lattice field theory research to make an impact on models of new physics beyond the Standard Model, including composite Higgs, composite dark ... More
An overview of the gravitational spin Hall effectApr 22 2019In General Relativity, the propagation of electromagnetic waves is usually described by the vacuum Maxwell's equations on a fixed curved background. In the limit of infinitely high frequencies, electromagnetic waves can be localized as point particles, ... More
Novel Techniques for Constraining Neutron-Capture Rates Relevant for r-Process Heavy-Element NucleosynthesisApr 22 2019The rapid-neutron capture process ($r$ process) is identified as the producer of about 50\% of elements heavier than iron. This process requires an astrophysical environment with an extremely high neutron flux over a short amount of time ($\sim$ seconds), ... More
Nonsingular bounce cosmology from general relativityApr 22 2019We investigate a particular classical nonsingular bounce cosmology, which results from general relativity if we allow for degenerate metrics. The simplest model has a constant equation of state and we calculate the modified Hubble diagram for both the ... More
Almost Optimal Testers for Concise RepresentationsApr 22 2019We give improved and almost optimal testers for several classes of Boolean functions on $n$ inputs that have concise representation in the uniform and distribution-free model. Classes, such as $k$-junta, $k$-linear functions, $s$-term DNF, $s$-term monotone ... More
Higher Regularity of Weak Limits of Willmore Immersions IIApr 22 2019We obtain in arbitrary codimension a removability result on the order of singularity of Willmore surfaces realising the width of Willmore min-max problems on spheres. As a consequence, out of the twelve families of non-planar minimal surfaces in $\mathbb{R}^3$ ... More
The reduced Hartree-Fock model with self-generated magnetic fieldsApr 22 2019We study the well-posedness of the reduced Hartree-Fock model for molecules and perfect crystals when taking into account a self-generated magnetic field. We exhibit a critical value $\alpha_c > 0$ such that, if the fine structure constant $\alpha$ is ... More
Hot-dense Lattice QCD: USQCD whitepaper 2018Apr 22 2019This document is one of a series of whitepapers from the USQCD collaboration. Here, we outline the opportunities for, prospects of and challenges to the lattice QCD calculations relevant for the understanding of the phases and properties of hot-dense ... More
PLUME: Polyhedral Learning Using Mixture of ExpertsApr 22 2019In this paper, we propose a novel mixture of expert architecture for learning polyhedral classifiers. We learn the parameters of the classifierusing an expectation maximization algorithm. Wederive the generalization bounds of the proposedapproach. Through ... More
Synaptic Partner Assignment Using Attentional Voxel Association NetworksApr 22 2019Connectomics aims to recover a complete set of synaptic connections within a dataset imaged by electron microscopy. Most systems for locating synapses use voxelwise classifier models, and train these classifiers to reproduce binary masks of synaptic clefts. ... More
Tracking and Improving Information in the Service of FairnessApr 22 2019As algorithmic prediction systems have become widespread, fears that these systems may inadvertently discriminate against members of underrepresented populations have grown. With the goal of understanding fundamental principles that underpin the growing ... More
Colloquium: Atomic spin chains on surfacesApr 22 2019In the present Colloquium, we focus on the properties of 1-D magnetic systems on solid surfaces. From the emulation of 1-D quantum phases to the potential realization of Majorana edge states, spin chains are unique systems to study. The advent of scanning ... More
A Coincidence Velocity Map Imaging Spectrometer for Ions and High-Energy Electrons to Study Inner-Shell Photoionization of Gas-Phase MoleculesApr 22 2019We report on the design and performance of a double-sided coincidence velocity map imaging spectrometer optimized for electron-ion and ion-ion coincidence experiments studying inner-shell photoionization of gas-phase molecules with soft X-ray synchrotron ... More
Tripping through time: Efficient Localization of Activities in VideosApr 22 2019Localizing moments in untrimmed videos via language queries is a new and interesting task that requires the ability to accurately ground language into video. Previous works have approached this task by processing the entire video, often more than once, ... More
Late or Earlier Information Fusion from Depth and Spectral Data? Large-Scale Digital Surface Model Refinement by Hybrid-cGANApr 22 2019We present the workflow of a DSM refinement methodology using a Hybrid-cGAN where the generative part consists of two encoders and a common decoder which blends the spectral and height information within one network. The inputs to the Hybrid-cGAN are ... More
Making the most of data: Quantum Monte Carlo Post-Analysis RevisitedApr 22 2019In quantum Monte Carlo (QMC) methods, energy estimators are calculated as the statistical average of the Markov chain sampling of energy estimator along with an associated statistical error. This error estimation is not straightforward and there are several ... More
Highly anisotropic interlayer magnetoresistance in ZrSiS nodal-line Dirac semimetalApr 22 2019We instigate the angle-dependent magnetoresistance (AMR) of the layered nodal-line Dirac semimetal ZrSiS for the in-plane and out-of-plane current directions. This material has recently revealed an intriguing butterfly-shaped in-plane AMR that is not ... More
Lattice QCD and Neutrino-Nucleus ScatteringApr 22 2019This document is one of a series of whitepapers from the USQCD collaboration. Here, we discuss opportunities for lattice QCD in neutrino-oscillation physics, which inevitably entails nucleon and nuclear structure. In addition to discussing pertinent lattice-QCD ... More
Tilings in randomly perturbed graphs: bridging the gap between Hajnal-Szemerédi and Johansson-Kahn-VuApr 22 2019A perfect $K_r$-tiling in a graph $G$ is a collection of vertex-disjoint copies of $K_r$ that together cover all the vertices in $G$. In this paper we consider perfect $K_r$-tilings in the setting of randomly perturbed graphs; a model introduced by Bohman, ... More
Unbiased Multilevel Monte Carlo: Stochastic Optimization, Steady-state Simulation, Quantiles, and Other ApplicationsApr 22 2019We present general principles for the design and analysis of unbiased Monte Carlo estimators in a wide range of settings. Our estimators posses finite work-normalized variance under mild regularity conditions. We apply our estimators to various settings ... More
Some Calculations of Orlicz Cohomology and Poincaré--Sobolev--Orlicz InequalitiesApr 22 2019We carry out calculations of Orlicz cohomology for some basic Riemannian manifolds (the real line, the hyperbolic plane, the ball). Relationship between Orlicz cohomology and Poincar\'e--Sobolev--Orlicz-type inequalities is discussed.
Quantum phases of SrCu2(BO3)2 from high-pressure thermodynamicsApr 22 2019In a quantum magnet, localized electronic spins can form unusual collective states at low temperature. While theoretical proposals for exotic states abound, many of the most intriguing scenarios of quantum phases and phase transitions beyond classical ... More
The young stellar population in NGC 247 Main properties and hierarchical clusteringApr 22 2019The aim of this work is to investigate the characteristics of the young stellar population in the spiral galaxy NGC 247. In particular, we focused our attention in its hierarchical clustering distributions and the properties of the smallest groups. We ... More
Intertwined Quantum Phase TransitionsApr 22 2019We introduce the notion of intertwined quantum phase transitions (IQPTs), for which shape-changes and configuration-changes in the ground state of a system are intertwined. We demonstrate the relevance of IQPTs to the Zr isotopes, where one of the most ... More
The Sobolev--Poincaré Inequality and the $L_{q,p}$-Cohomology of Twisted CylindersApr 22 2019We establish a vanishing result for the $L_{q,p}$-cohomology ($q\ge p$) of a twisted cylinder, which is a generalization of a warped cylinder. The result is new even for warped cylinders. We base on the methods for proving the $(p,q)$ Sobolev--Poincar\'e ... More
The Scalar Hexaquark $uuddss$: a Candidate for Dark Matter?Apr 22 2019It is conventionally argued that Dark Matter (DM) has a non-baryonic nature, but if we assume that DM was frozen out before primordial nucleosynthesis and could not significantly impact primordial abundances this argument may be evaded. Then a hypothetical ... More
Line Singularities and Hopf Indices of Electromagnetic MultipolesApr 22 2019Electromagnetic multipoles can be continuously mapped to tangent vectors on the momentum sphere, the topology of which guarantees the existence of isolated singularities. For pure (real or imaginary) vectors, those singularities correspond to zeros of ... More
Evaluating the Maximal Violation of the Original Bell Inequality by Two-Qudit States Exhibiting Perfect Correlations/AnticorrelationsApr 22 2019We introduce the general class of symmetric two-qubit states guaranteeing the perfect correlation or anticorrelation of Alice and Bob outcomes whenever some spin observable is measured at both sites. We prove that, for all states from this class, the ... More
Fractional stochastic wave equation driven by a Gaussian noise rough in spaceApr 22 2019In this article, we consider fractional stochastic wave equations on $\mathbb R$ driven by a multiplicative Gaussian noise which is white/colored in time and has the covariance of a fractional Brownian motion with Hurst parameter $H\in(\frac14, \frac12)$ ... More
Theoretical foundations of the reduced relativistic gas in the cosmological perturbed contextApr 22 2019The Reduced Relativistic Gas (RRG) is a simplified version of the ideal relativistic gas, which assumes that all particles have the same momentum magnitude. Although this is a very idealized situation, the resulting model preserves the phenomenology of ... More
A tale of two clusters: dynamical history determines disc survival in Tr14 and Tr16 in the Carina NebulaApr 22 2019Understanding how the birthplace of stars affects planet-forming discs is important for a comprehensive theory of planet formation. Most stars are born in dense star-forming regions where the external influence of other stars, particularly the most massive ... More
Unusual magnetotransport in Al6ReApr 22 2019Since very few Type-I superconductors are known and most are elemental superconductors, there are very few experimental platforms where the interaction between Type-I superconductivity and topologically nontrivial band structure can be probed. The rhenium ... More
Topological Field Theory and Lee-Yang ZeroApr 22 2019The Jones polynomial and its generalizations can be computed as expectation values of Wilson loop operators. we show that the zero of the Jones polynomial is Lee-Yang type. Moreover phase transition is also discussed in the Jones polynomial of torus knot ... More
Hidden-charm pentaquarks and $P_c$ statesApr 22 2019Recently, the LHCb Collaboration reported three $P_c$ states in the ${J/\psi}p$ channel. We systematically study the mass spectrum of the hidden charm pentaquark in the framework of an extended chromomagnetic model. For the $nnnc\bar{c}$ pentaquark with ... More
SU(3) Polyakov Linear-Sigma Model With Finite Isospin Asymmetry: QCD Phase DiagramApr 22 2019The SU(3) Polyakov linear-sigma model (PLSM) in mean-field approximation is utilized in analyzing the chiral condensates $\sigma_u$, $\sigma_d$, $\sigma_s$ and the deconfinement order parameters $\phi$, $\bar{\phi}$, at finite isospin asymmetry. The bulk ... More
Existence and regularity of pre-invariant measures, transition functions and time homogeneous Itô-SDEsApr 22 2019We show existence of a pre-invariant measure $m$ for a large class of divergence and non-divergence form elliptic second order partial differential operators with locally Sobolev regular diffusion coefficient and locally square integrable drift. Subsequently, ... More
Translating between models of concurrencyApr 22 2019Hoare's Communicating Sequential Processes (CSP) admits a rich universe of semantic models closely related to the van Glabbeek spectrum. In this paper we study finite observational models, of which at least six have been identified for CSP, namely traces, ... More
Towards Learning of Filter-Level Heterogeneous Compression of Convolutional Neural NetworksApr 22 2019Recently, deep learning has become a de facto standard in machine learning with convolutional neural networks (CNNs) demonstrating spectacular success on a wide variety of tasks. However, CNNs are typically very demanding computationally at inference ... More
The Structure of Graphene on Graphene/C60/Cu Interfaces: A Molecular Dynamics StudyApr 22 2019Two experimental studies reported the spontaneous formation of amorphous and crystalline structures of C60 intercalated between graphene and a substrate. They observed interesting phenomena ranging from reaction between C60 molecules under graphene to ... More
Unconventional domain wall magnetoresistance of Nb-Ni-Nb planar structures below superconducting transition temperature of NbApr 22 2019Spin singlet Cooper pairs convert into spin-triplet Cooper pairs on passing through a magnetic inhomogeneity along the direction of propagation at the superconductor/ferromagnet(S/F) interface. In superconductor-ferromagnet hybrid spintronics structures ... More
Stochastic Region Pooling: Make Attention More ExpressiveApr 22 2019Global Average Pooling (GAP) is used by default on the channel-wise attention mechanism to extract channel descriptors. However, the simple global aggregation method of GAP is easy to make the channel descriptors have homogeneity, which weakens the detail ... More
Relative singular value decomposition and applications to LS-categoryApr 22 2019Let $Sp(n)$ be the symplectic group of quaternionic $(n\times n)$-matrices. For any $1\leq k\leq n$, an element $A$ of $Sp(n)$ can be decomposed in $A= \begin{bmatrix} \alpha&T\cr \beta&P \end{bmatrix}$ with $P$ a $(k\times k)$-matrix. In this work, starting ... More
Learning to Cache With No RegretsApr 22 2019This paper introduces a novel caching analysis that, contrary to prior work, makes no modeling assumptions for the file request sequence. We cast the caching problem in the framework of Online Linear Optimization (OLO), and introduce a class of minimum ... More
Spatial Population Genetics: It's About TimeApr 22 2019Many questions that we have about the history and dynamics of organisms have a geographical component: How many are there, and where? How do they move and interbreed across the landscape? How were they moving a thousand years ago, and where did the ancestors ... More
Structure of the nucleon and its first radial excitationApr 22 2019A Poincar\'e-covariant continuum approach to the three valence-quark bound-state problem in quantum field theory is used to perform a detailed analysis of the nucleon's ground and first excited states: the so-called $N(940)\frac{1}{2}^+$ and $N(1440)\frac{1}{2}^+$. ... More
Low-Rank Approximation from Communication ComplexityApr 22 2019In low-rank approximation with missing entries, given $A\in \mathbb{R}^{n\times n}$ and binary $W \in \{0,1\}^{n\times n}$, the goal is to find a rank-$k$ matrix $L$ for which: $$cost(L)=\sum_{i=1}^{n} \sum_{j=1}^{n}W_{i,j}\cdot (A_{i,j} - L_{i,j})^2\le ... More
Problematic nature of plasmoid theory of magnetic reconnectionApr 22 2019Plasmoid theory uses two-coordinate models to explain fast magnetic reconnection, which occurs on an Alfv\'enic, not a resistive time scale, in plasmas that are evolving in the near-ideal limit. The primary application has been to three-dimensional naturally-occurring ... More
NNLO charmed-meson fragmentation functions and their uncertainties in the presence of meson mass correctionsApr 22 2019The main aim of this paper is to present new sets of non-perturbative fragmentation functions (FFs) for $D^0$ and $D^+$ mesons at next-to-leading (NLO) and, for the first time, at next-to-next-to-leading order (NNLO) accuracy in perturbative QCD. This ... More
Adversarial Dropout for Recurrent Neural NetworksApr 22 2019Successful application processing sequential data, such as text and speech, requires an improved generalization performance of recurrent neural networks (RNNs). Dropout techniques for RNNs were introduced to respond to these demands, but we conjecture ... More
Algorithm Portfolio for Individual-based Surrogate-Assisted Evolutionary AlgorithmsApr 22 2019Surrogate-assisted evolutionary algorithms (SAEAs) are powerful optimisation tools for computationally expensive problems (CEPs). However, a randomly selected algorithm may fail in solving unknown problems due to no free lunch theorems, and it will cause ... More
Hausdorff Dimension of Planar Self-Affine Sets and Measures with OverlapsApr 22 2019We prove that if $\mu$ is a self-affine measure in the plane whose defining IFS acts totally irreducibly on $\mathbb{RP}^1$ and satisfies an exponential separation condition, then its dimension is equal to its Lyapunov dimension. We also treat a class ... More
Revisiting Multi-Step Nonlinearity Compensation with Machine LearningApr 22 2019For the efficient compensation of fiber nonlinearity, one of the guiding principles appears to be: fewer steps are better and more efficient. We challenge this assumption and show that carefully designed multi-step approaches can lead to better performance-complexity ... More
Prediction Law of Mixed Gaussian Volterra ProcessesApr 22 2019We study the regular conditional law of mixed Gaussian Volterra processes under the influence of model disturbances. More precisely, we study prediction of Gaussian Volterra processes driven by a Brownian motion in a case where the Brownian motion is ... More
The weak separation in higher dimensionsApr 22 2019For an odd integer $r>0$ and an integer $n>r$, we introduce a notion of weakly $r$-separated subsets of $[n]=\{1,2,\ldots,n\}$. When $r=1$, this corresponds to the concept of weak separation introduced and studied by Leclerc and Zelevinsky. In this paper, ... More
Gorenstein dimension of abelian categoriesApr 22 2019Let C be triangulated category and X a cluster tilting subcategory of C. Koenig and Zhu showed that the quotient category C/X is Gorenstein of Gorenstein dimension at most one. The notion of an extriangulated category was introduced by Nakaoka and Palu ... More
First principles prediction of the solar cell efficiency of chalcopyrite materials AgMX2 (M=In,Al; X=S, Se,Te)Apr 22 2019Using the Spectroscopic Limited Maximum Efficiency, and Shockley and Queisser predictor models, we compute the solar efficiency of the chalcopyrites AgMX2(M=In,Al;X=S,Se,Te). The results presented are based on the estimation of the electronic and optical ... More
Amplitude dynamics of charge density wave in LaTe$_3$: theoretical description of pump-probe experimentsApr 22 2019We formulate a dynamical model to describe a photo-induced charge density wave (CDW) quench transition and apply it to recent multi-probe experiments on LaTe$_3$ [A.~Zong \textit{et al.}, Nat. Phys. (2019)]. Our approach relies on coupled time-dependent ... More
A syntactic approach to continuity of T-definable functionalsApr 22 2019We give a new proof of the well-known fact that all functions $(\mathbb{N} \to \mathbb{N}) \to \mathbb{N}$ which are definable in G\"odel's System T are continuous via a syntactic approach. Differing from the usual syntactic method, we firstly perform ... More
A Unified Framework for Structured Graph Learning via Spectral ConstraintsApr 22 2019Graph learning from data represents a canonical problem that has received substantial attention in the literature. However, insufficient work has been done in incorporating prior structural knowledge onto the learning of underlying graphical models from ... More
Coherence quantifiers from the viewpoint of their decreases in the measurement processApr 22 2019Measurements can be considered as a genuine example of processes that crush quantum coherence. In the case of an observable with degeneracy, the formulations of L\"{u}ders and von Neumann are known. These pictures postulate the two different states of ... More
Security bound of continuous-variable measurement-device-independent quantum key distribution with imperfect phase reference calibrationApr 22 2019Phase reference calibration is a necessary procedure in practical continuous-variable measurement-device-independent quantum key distribution (CV-MDI-QKD) for the need of Bell-State Measurement (BSM). However, the phase reference calibration may become ... More
Local normal forms of dynamical systems with a singular underlying geometric structureApr 22 2019In this paper we prove the existence of a simultaneous local normalization for couples $(X,\mathcal{G})$, where $X$ is a vector field which vanishes at a point and $\mathcal{G}$ is a singular underlying geometric structure which is invariant with respect ... More
A finite element method for Dirichlet boundary control of elliptic partial differential equationsApr 22 2019This paper introduces a new variational formulation for Dirichlet boundary control problem of elliptic partial differential equations, based on observations that the state and adjoint state are related through the control on the boundary of the domain, ... More
Inducing Multi-Convexity in Path Constrained Trajectory Optimization for Mobile ManipulatorsApr 22 2019In this paper, we propose a novel trajectory optimization algorithm for mobile manipulators under end-effector path, collision avoidance and various kinematic constraints. Our key contribution lies in showing how this highly non-linear and non-convex ... More
On Learning Non-Convergent Short-Run MCMC Toward Energy-Based ModelApr 22 2019This paper studies a curious phenomenon in learning energy-based model (EBM) using MCMC. In each learning iteration, we generate synthesized examples by running a non-convergent, non-mixing, and non-persistent short-run MCMC toward the current model, ... More
hf0: A hybrid pitch extraction method for multimodal voiceApr 22 2019Pitch or fundamental frequency (f0) extraction is a fundamental problem studied extensively for its potential applications in speech and clinical applications. In literature, explicit mode specific (modal speech or singing voice or emotional/ expressive ... More
Chandra, MDM, Swift, and NuSTAR observations confirming the SFXT nature of AX J1949.8+2534Apr 22 2019AX J1949.8+2534 is a candidate supergiant fast X-ray transient (SFXT) observed in outburst by INTEGRAL (IGR J19498+2534). We report on the results of six Neil Gehrels Swift-XRT, one Chandra, and one NuSTAR observation of the source. We find evidence of ... More
Finite dimensional approximations for Nica-Pimsner algebrasApr 22 2019We give necessary and sufficient conditions for nuclearity of Cuntz-Nica-Pimsner algebras for a variety of quasi-lattice ordered groups. First we deal with the free abelian lattice case. We use this as a stepping stone to tackle product systems over quasi-lattices ... More
FoxNet: A Multi-face Alignment MethodApr 22 2019Multi-face alignment aims to identify geometry structures of multiple human face in a image, and its performance is important for the many practical tasks, such as face recognition, face tracking and face animation. In this work, we present a fast bottom-up ... More
MyShake: Detecting and characterizing earthquakes with a global smartphone seismic networkApr 22 2019MyShake harnesses private/personal smartphones to build a global seismic network. It uses the accelerometers embedded in all smartphones to record ground motions induced by earthquakes, returning recorded waveforms to a central repository for analysis ... More
Fast orbital shrinkage of black hole X-ray binaries driven by circumbinary disksApr 22 2019Recently, the black hole X-ray binary (BHXB) Nova Muscae 1991 has been reported to be experiencing an extremely rapid orbital decay. So far, three BHXBs have anomalously high orbital period derivatives, which can not be interpreted by the standard stellar ... More
On Parameter Estimation of the Hidden Gaussian Process in perturbed SDEApr 22 2019We present results on parameter estimation and non-parameter estimation of the linear partially observed Gaussian system of stochastic differential equations. We propose new one-step estimators which have the same asymptotic properties as the MLE, but ... More
Enumeration of Flats of the Extended Catalan and Shi Arrangements with SpeciesApr 22 2019The number of flats of a hyperplane arrangement is considered as a generalization of the Bell number and the Stirling number of the second kind. In 1998, Robert Gill gave the exponential generating function of the number of flats of the extended Catalan ... More
Super Heat Kernel of General Second Order Operators in $N=1$ Superspace and One-Loop Divergence of Dilaton-coupled SYM TheoryApr 22 2019We shall develop a general technique to obtain the super heat kernel coefficients of an arbitrary second order operator in $N=1$ superspace. We focus on the space of conformal supergravity here but the method presented is equally applicable for other ... More
Does the current astronomical observation exclude the existence of non-strange quark stars?Apr 22 2019As is pointed out in a recent work (Phys. Rev. Lett. 120, 222001), quark matter may not be strange. Inspired by this argument, we use a new self-consistent mean field approximation method to study the equation of state of cold dense matter within the ... More
2D3D-MatchNet: Learning to Match Keypoints Across 2D Image and 3D Point CloudApr 22 2019Large-scale point cloud generated from 3D sensors is more accurate than its image-based counterpart. However, it is seldom used in visual pose estimation due to the difficulty in obtaining 2D-3D image to point cloud correspondences. In this paper, we ... More
CEST MR-Fingerprinting: practical considerations and insights for acquisition schedule design and improved reconstructionApr 22 2019Purpose: To understand the influence of various acquisition parameters on the ability of CEST MR-Fingerprinting (MRF) to discriminate different chemical exchange parameters and to provide tools for optimal acquisition schedule design and parameter map ... More
An Energy and GPU-Computation Efficient Backbone Network for Real-Time Object DetectionApr 22 2019As DenseNet conserves intermediate features with diverse receptive fields by aggregating them with dense connection, it shows good performance on the object detection task. Although feature reuse enables DenseNet to produce strong features with a small ... More
An inexpensive biasing system for use in electrostatic steering of ionsApr 22 2019We introduce a design for an electronic device capable of superposing 8 bias voltages up to $\pm$48V on a voltage of up to 1.5~kV. Such a device has been implemented to provide biasing of a beam steerer-shifter system for use in aligning an ion beam with ... More
RowHammer: A RetrospectiveApr 22 2019This retrospective paper describes the RowHammer problem in Dynamic Random Access Memory (DRAM), which was initially introduced by Kim et al. at the ISCA 2014 conference~\cite{rowhammer-isca2014}. RowHammer is a prime (and perhaps the first) example of ... More
On asymptotic structure of the critical Galton-Watson Branching Processes with infinite variance and ImmigrationApr 22 2019We observe the Galton-Watson Branching Processes. Limit properties of transition functions and their convergence to invariant measures are investigated.
Heegaard Floer homology and ribbon homology cobordismsApr 22 2019It has recently been shown by several authors that ribbon concordances, or certain variants thereof, induce an injection on knot homology theories. We prove a variant of this for Heegaard Floer homology and homology cobordisms without 3-handles.
FeatherNets: Convolutional Neural Networks as Light as Feather for Face Anti-spoofingApr 22 2019Face Anti-spoofing gains increased attentions recently in both academic and industrial fields. With the emergence of various CNN based solutions, the multi-modal(RGB, depth and IR) methods based CNN showed better performance than single modal classifiers. ... More
Multiple zeta values and iterated log-sine integralsApr 22 2019We introduce an iterated integral version of (generalized) log-sine integrals (iterated log-sine integrals) and prove a relation between a multiple polylogarithm and iterated log-sine integrals. We also give a new method for obtaining relations among ... More
Height estimation for automotive MIMO radar with group-sparse reconstructionApr 22 2019A method is developed for sequential azimuth and height estimation of small objects at far distances in front of a moving vehicle using coherent or mutually incoherent MIMO arrays. The model considers phases and amplitudes for near-field multipath signals ... More
Energy Consumption of Group Search on a LineApr 22 2019Consider two robots that start at the origin of the infinite line in search of an exit at an unknown location on the line. The robots can only communicate if they arrive at the same location at exactly the same time, i.e. they use the so-called face-to-face ... More
Cosmological Solutions in Multiscalar Field TheoryApr 22 2019We consider a cosmological model with two scalar fields minimally coupled to gravity which have a mixed kinetic term. Hence, Chiral cosmology is included in our analysis. The coupling function and the potential function, which depend on one of the fields, ... More
Provable Bregman-divergence based Methods for Nonconvex and Non-Lipschitz ProblemsApr 22 2019The (global) Lipschitz smoothness condition is crucial in establishing the convergence theory for most optimization methods. Unfortunately, most machine learning and signal processing problems are not Lipschitz smooth. This motivates us to generalize ... More
Robust Clustering Oracle and Local Reconstructor of Cluster Structure of GraphsApr 22 2019Due to the massive size of modern network data, local algorithms that run in sublinear time for analyzing the cluster structure of the graph are receiving growing interest. Two typical examples are local graph clustering algorithms that find a cluster ... More
The Role of Lattice QCD in Searches for Violations of Fundamental Symmetries and Signals for New PhysicsApr 22 2019This document is one of a series of whitepapers from the USQCD collaboration. Here, we discuss opportunities for Lattice Quantum Chromodynamics (LQCD) in the research frontier in fundamental symmetries and signals for new physics. LQCD, in synergy with ... More
Morawetz estimates and spacetime bounds for quasilinear Schrödinger equations with critical Sobolev exponentApr 22 2019In this paper, we study the following Cauchy problem \begin{equation*} \left\{ \begin{array}{lll} iu_t=\Delta u + 2uh'(|u|^2)\Delta h(|u|^2) + F(|u|^2)u\mp A[h(|u|^2]^{2^*-1} h'(|u|^2)u,\ x\in \mathbb{R}^N, \ t>0\\ u(x,0)=u_0(x), \quad x\in \mathbb{R}^N. ... More
Morawetz estimates as well as spacetime bounds based on pseudoconformal conservation law and interaction Morawetz estimates for a quasilinear Schrödinger equationApr 22 2019In this paper, we consider the Cauchy problem of the quasilinear Sch\"{o}dinger equation \begin{equation*} \left\{ \begin{array}{lll} iu_t = \Delta u+2uh'(|u|^2)\Delta h(|u|^2)+V(x)u+F(|u|^2)u+(W*|u|^2)u,\ x\in \mathbb{R}^N,\ t>0\\ u(x,0) = u_0(x),\quad ... More
The Hyper Suprime-Cam SSP Transient Survey in COSMOS: OverviewApr 22 2019We present an overview of a deep transient survey of the COSMOS field with the Subaru Hyper Suprime-Cam (HSC). The survey was performed for the 1.77 deg$^2$ ultra-deep layer and 5.78 deg$^2$ deep layer in the Subaru Strategic Program over 6- and 4-month ... More
Transpositional sequences and multigraphsApr 22 2019When ${\bf t} := \langle t_1,t_2,\ldots,t_k\rangle$ is a sequence of transpositions on the finite set $n:=\{0,1,\ldots,n-1\}$, then $\bigcirc{\bf t}:= t_1\circ t_2\circ\cdots\circ t_k$ denotes the compositional product of the sequence. Our paper treats ... More
Initializing anisotropic and unstable electron velocity distributions needed for investigating plasma kinetic instabilitiesApr 22 2019Plasmas with anisotropic electron velocity distribution functions are needed for the controlled study of kinetic plasma instabilities in the laboratory. We demonstrate that such plasma can be produced using ultrashort laser pulses via optical-field ionization ... More
One Dimensional Nearly Free Electron States in BoropheneApr 22 2019Two-dimensional boron (borophene) is featured by its structural polymorphs and distinct in-plane anisotropy, opening opportunities to achieve tailored electronic properties by intermixing different phases. Here, using scanning tunneling spectroscopy combined ... More
The Physics of Pair Density WavesApr 22 2019We review the physics of pair density wave (PDW) superconductors. We begin with a macroscopic description that emphasizes order induced by PDW states, such as charge density wave, and discuss related vestigial states that emerge as a consequence of partial ... More