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We propose a holographic entanglement negativity conjecture involving the bulk geometry, for mixed states of adjacent intervals in $(1+1)$-dimensional dual conformal field theories through the $AdS/CFT$ correspondence. The holographic…

高能物理 - 理论 · 物理学 2019-04-26 Parul Jain , Vinay Malvimat , Sayid Mondal , Gautam Sengupta

Recently, a new method for encoding data sets in the form of "Density Codes" was proposed in the literature (Courrieu, 2006). This method allows to compare sets of points belonging to every multidimensional space, and to build shape spaces…

神经与进化计算 · 计算机科学 2008-06-25 Pierre Courrieu

This article is devoted to the study of classical and new results concerning equidistant sets, both from the topological and metric point of view. We start with a review of the most interesting known facts about these sets in the euclidean…

度量几何 · 数学 2012-01-13 Mario Ponce , Patricio Santibáñez

There are many papers studying properties of point sets in the Euclidean space $\mathbb{E}^m$ or on integer grids $\mathbb{Z}^m$, with pairwise integral or rational distances. In this article we consider the distances or coordinates of the…

组合数学 · 数学 2008-04-09 Axel Kohnert , Sascha Kurz

We prove that instantaneous gelation (i.e., instantaneous loss of mass) occurs for coagulation equations with sum-type kernels of homogeneity greater than one which vanish on the diagonal. Our proof includes solutions that are Radon…

偏微分方程分析 · 数学 2025-06-16 Iulia Cristian , Barbara Niethammer , Juan J. L. Velázquez

State-of-the-art image-set matching techniques typically implicitly model each image-set with a Gaussian distribution. Here, we propose to go beyond these representations and model image-sets as probability distribution functions (PDFs)…

计算机视觉与模式识别 · 计算机科学 2015-08-03 Mehrtash Harandi , Mathieu Salzmann , Mahsa Baktashmotlagh

Image prediction methods often struggle on tasks that require changing the positions of objects, such as video prediction, producing blurry images that average over the many positions that objects might occupy. In this paper, we propose a…

计算机视觉与模式识别 · 计算机科学 2022-04-04 Daniel Geng , Max Hamilton , Andrew Owens

We show that for any positive forward density subset N \subset Z, there exists an integer m>0, such that, for all n>m, N contains almost perfect n-scaled reproductions of any previously chosen finite set of integers.

数论 · 数学 2014-03-17 Mario Bessa , Maria Carvalho

The aim of this paper is to provide a coherent framework for transforming boundary pairs of digital images from one resolution to another without knowledge of the full images. It is intended to facilitate the simultaneous usage of…

数值分析 · 数学 2024-07-29 Janosch Rieger , Kyria Wawryk

Cold atomic ensembles can mediate the generation of entanglement between pairs of photons. Photons with specific directions of propagation are detected, and the entanglement can reside in any of the degrees of freedom that describe the…

量子物理 · 物理学 2009-11-13 Clara I. Osorio , Sergio Barreiro , Morgan W. Mitchell , Juan P. Torres

We show that abelian bosonization of 1+1 dimensional fermion systems can be interpreted as duality transformation and, as a conseguence, it can be generalized to arbitrary dimensions in terms of gauge forms of rank $d-1$, where $d$ is the…

高能物理 - 理论 · 物理学 2007-05-23 P. A. Marchetti

We characterize the orderings of pairs of sets induced by several distances: Hamming, Jaccard, S\o rensen-Dice and Overlap. We also characterize these distances.

离散数学 · 计算机科学 2025-07-09 Thierry Marchant , Sandip Sarkar

What makes images similar? To measure the similarity between images, they are typically embedded in a feature-vector space, in which their distance preserve the relative dissimilarity. However, when learning such similarity embeddings the…

计算机视觉与模式识别 · 计算机科学 2017-04-11 Andreas Veit , Serge Belongie , Theofanis Karaletsos

We obtain the Assouad dimensions of Moran sets under suitable condition. Using the homogeneous set, we also study the Assouad dimensions of Cantor-like sets.

度量几何 · 数学 2014-05-06 wen-wen Li , wen-xia Li , jun-jie Miao , li-feng Xi

In this article, we investigate some properties of the coincidence point set of digitally continuous maps. Following the Rosenfeld graphical model which seems more combinatorial than topological, we expect to achieve results that might not…

一般拓扑 · 数学 2019-09-17 Muhammad Sirajo Abdullahi , Poom Kumam , Jamilu Abubakar

We study the accretion of cold and hot dark matter onto a cosmic string wake using a high-resolution numerical simulation. We verify previous analytical calculations predicting the radius of bound matter around wakes and inflow velocities…

天体物理学 · 物理学 2016-08-25 Andrew T. Sornborger

Using first-principles calculations, we identify "magic-zero" optical wavelengths, \lambda_zero, for which the ground-state frequency-dependent polarizabilities of alkali-metal atoms vanish. Our approach uses high-precision, relativistic…

原子物理 · 物理学 2015-05-28 Bindiya Arora , M. S. Safronova , Charles W. Clark

We propose a generic ansatz for the extension of parton distributions of the real photon to those of the virtual photon. Alternatives and approximations are studied that allow closed-form parametrizations.

高能物理 - 唯象学 · 物理学 2011-02-15 Gerhard A. Schuler , Torbjörn Sjöstrand

We use optical tweezers based on time-multiplexed acousto-optic deflectors to trap ultra-cold cesium atoms in one-dimensional arrays of atomic ensembles. For temperatures between 2.5 $\mu$K and 50 nK we study the maximal time between…

We introduce Zernike polynomials as a novel degree of freedom for encoding quantum information in the spatial structure of photons. Building on their orthogonality and completeness over the unit disc, we develop a framework for generating,…

量子物理 · 物理学 2025-10-20 Hakob Avetisyan , Gor Nikoghosyan