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Basing on states and channels isomorphism we point out that semidefinite programming can be used as a quick test for nonzero one-way quantum channel capacity. This can be achieved by search of symmetric extensions of states isomorphic to a…

量子物理 · 物理学 2015-06-26 Pawel Horodecki , Marcin L. Nowakowski

The objective of this paper is to learn dense 3D shape correspondence for topology-varying generic objects in an unsupervised manner. Conventional implicit functions estimate the occupancy of a 3D point given a shape latent code. Instead,…

计算机视觉与模式识别 · 计算机科学 2023-01-02 Feng Liu , Xiaoming Liu

The concept of generalized functions taking values in a differentiable manifold is extended to a functorial theory. We establish several characterization results which allow a global intrinsic formulation both of the theory of…

泛函分析 · 数学 2007-05-23 Michael Kunzinger , Roland Steinbauer , James A. Vickers

Learning embedding functions, which map semantically related inputs to nearby locations in a feature space supports a variety of classification and information retrieval tasks. In this work, we propose a novel, generalizable and fast method…

计算机视觉与模式识别 · 计算机科学 2018-09-05 Hong Xuan , Richard Souvenir , Robert Pless

We study the dynamics of neutral and charged rods embedded in varying-section channels. By means of systematic approximations, we derive the dependence of the local diffusion coefficient on both the geometry and charge of the rods. This…

软凝聚态物质 · 物理学 2020-11-12 Paolo Malgaretti , Jens Harting

We determine the optimal achievable rate at which entanglement can be reliably transmitted when the memoryless channel used during transmission is unknown both to sender and receiver. To be more precise, we assume that both of them only…

量子物理 · 物理学 2009-04-21 Igor Bjelakovic , Holger Boche , Janis Noetzel

We present an embedding approach based on localized basis functions which permits an efficient application of the dynamical mean field theory (DMFT) to inhomogeneous correlated materials, such as semi-infinite surfaces and heterostructures.…

强关联电子 · 物理学 2009-11-13 H. Ishida , A. Liebsch

Signals recorded from neurons with extracellular planar sensors have a wide range of waveforms and amplitudes. This variety is a result of different physical conditions affecting the ion currents through a cellular membrane. The…

Ruelle's transfer operator plays an important role in understanding thermodynamic and probabilistic properties of dynamical systems. In this work, we develop a method of finding eigenfunctions of transfer operators based on comparing Gibbs…

We consider three capacity definitions for general channels with channel side information at the receiver, where the channel is modeled as a sequence of finite dimensional conditional distributions not necessarily stationary, ergodic, or…

信息论 · 计算机科学 2016-11-17 Michelle Effros , Andrea Goldsmith , Yifan Liang

We present a definition of integrability for the one dimensional Schroedinger equation, which encompasses all known integrable systems, i.e. systems for which the spectrum can be explicitly computed. For this, we introduce the class of…

数学物理 · 物理学 2016-09-15 Thierry Combot

We develop a Perron-Frobenius type theory for products of random quantum channels acting on finite-dimensional matrix algebras sampled from a stationary and ergodic stochastic process, which, in keeping with the literature, we call ergodic…

量子物理 · 物理学 2026-04-13 Owen Ekblad , Jeffrey Schenker

We propose a novel approach for learning node representations in directed graphs, which maintains separate views or embedding spaces for the two distinct node roles induced by the directionality of the edges. We argue that the previous…

社会与信息网络 · 计算机科学 2019-07-01 Megha Khosla , Jurek Leonhardt , Wolfgang Nejdl , Avishek Anand

In this paper we provide a systematic exposition of basic properties of integrated distribution and quantile functions. We define these transforms in such a way that they characterize any probability distribution on the real line and are…

概率论 · 数学 2018-01-04 Alexander A. Gushchin , Dmitriy A. Borzykh

Word embeddings have been found to capture a surprisingly rich amount of syntactic and semantic knowledge. However, it is not yet sufficiently well-understood how the relational knowledge that is implicitly encoded in word embeddings can be…

人工智能 · 计算机科学 2017-08-22 Zied Bouraoui , Shoaib Jameel , Steven Schockaert

Deformation due to embedded fluidic networks is currently studied in the context of soft-actuators and soft-robotics. Expanding on this concept, beams can be designed so that the pressure in the channel-network is created directly from…

软凝聚态物质 · 物理学 2014-09-09 Yoav Matia , Amir Gat

Natural language definitions possess a recursive, self-explanatory semantic structure that can support representation learning methods able to preserve explicit conceptual relations and constraints in the latent space. This paper presents a…

计算与语言 · 计算机科学 2024-02-19 Marco Valentino , Danilo S. Carvalho , André Freitas

We show that the transmission probability through a small interacting region connected to noninteracting leads, can be written in terms of a retarded product of a three-point correlation function defined in the real time. Our proof is based…

介观与纳米尺度物理 · 物理学 2009-11-10 Akira Oguri

The performances of lubricated systems widely used in natural, biological, and artificial settings are traditionally dictated by their load bearing capacities. Here we unveil that, by exploiting a unique coupling between interfacial…

流体动力学 · 物理学 2022-07-26 Siddhartha Mukherjee , Jayabrata Dhar , Sunando DasGupta , Suman Chakraborty

We give an integral expression for the vector potential of a time-independent, steady azimuthal current density. Our derivation is substantially simpler and somewhat more general than others given in the literature. As an illustration, we…

经典物理 · 物理学 2025-10-14 Antonio O. Bouzas