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We extend the notion of locality from the Hamming metric to the rank and subspace metrics. Our main contribution is to construct a class of array codes with locality constraints in the rank metric. Our motivation for constructing such codes…

信息论 · 计算机科学 2019-05-07 Swanand Kadhe , Salim El Rouayheb , Iwan Duursma , Alex Sprintson

Series of maximum distance quantum error-correcting codes are developed and analysed. For a given rate and given error-correction capability, quantum error-correcting codes with these specifications are constructed. The codes are explicit…

信息论 · 计算机科学 2020-04-14 Ted Hurley , Donny Hurley , Barry Hurley

In many iterative optimization methods, fixed-point theory enables the analysis of the convergence rate via the contraction factor associated with the linear approximation of the fixed-point operator. While this factor characterizes the…

系统与控制 · 电气工程与系统科学 2022-06-22 Trung Vu , Raviv Raich

We investigate the performance of a quantum error-correcting code when pushed beyond its intended capacity to protect information against errors, presenting formulae for the probability of failure when the errors affect more qudits than…

量子物理 · 物理学 2007-05-23 A. J. Scott

In this paper, we study the problem of constructing a network by observing ordered connectivity constraints, which we define herein. These ordered constraints are made to capture realistic properties of real-world problems that are not…

数据结构与算法 · 计算机科学 2017-02-24 Yi Huang , Mano Vikash Janardhanan , Lev Reyzin

We describe and analyze a hybrid finite element/neural network method for predicting solutions of partial differential equations. The methodology is designed for obtaining fine scale fluctuations from neural networks in a local manner. The…

数值分析 · 数学 2026-02-24 Uladzislau Kapustsin , Utku Kaya , Johannes Pfefferer , Thomas Richter

We initiate a study of locally decodable codes with randomized encoding. Standard locally decodable codes are error correcting codes with a deterministic encoding function and a randomized decoding function, such that any desired message…

信息论 · 计算机科学 2020-01-14 Kuan Cheng , Xin Li , Yu Zheng

The problem addressed in this paper is the analysis of a distributed consensus algorithm for arbitrary networks, proposed by B\'en\'ezit et al.. In the initial setting, each node in the network has one of two possible states ("yes" or…

性能 · 计算机科学 2013-05-21 Shang Shang , Paul W. Cuff , Sanjeev R. Kulkarni , Pan Hui

We derive a single-letter upper bound to the mismatched-decoding capacity for discrete memoryless channels. The bound is expressed as the mutual information of a transformation of the channel, such that a maximum-likelihood decoding error…

信息论 · 计算机科学 2021-02-16 Ehsan Asadi Kangarshahi , Albert Guillén i Fàbregas

We introduce a novel algorithm for approximating the logarithm of the determinant of a symmetric positive definite (SPD) matrix. The algorithm is randomized and approximates the traces of a small number of matrix powers of a specially…

数据结构与算法 · 计算机科学 2016-09-01 Christos Boutsidis , Petros Drineas , Prabhanjan Kambadur , Eugenia-Maria Kontopoulou , Anastasios Zouzias

An error correcting code using a tree-like multilayer perceptron is proposed. An original message $\mbi{s}^0$ is encoded into a codeword $\boldmath{y}_0$ using a tree-like committee machine (committee tree) or a tree-like parity machine…

统计力学 · 物理学 2011-03-15 Florent Cousseau , Kazushi Mimura , Masato Okada

This work develops a geometric framework for constructing quantum error-correcting codes from weighted projective and orbifold structures, integrating algebraic geometry, divisor theory, and the CSS stabilizer formalism. Beginning with…

量子物理 · 物理学 2026-02-26 Tony Shaska

Neural networks have shown high successful performance in a wide range of tasks, but further studies are needed to improve its performance. We analyze the approximation error of the specific neural network architecture with a local…

机器学习 · 计算机科学 2020-09-04 Jae-Mo Kang , Sunghwan Moon

Sorting networks are oblivious sorting algorithms with many practical applications and rich theoretical properties. Propositional encodings of sorting networks are a key tool for proving concrete bounds on the minimum number of comparators…

数据结构与算法 · 计算机科学 2018-07-17 José A. R. Fonollosa

Protecting against link failures in communication networks is essential to increase robustness, accessibility, and reliability of data transmission. Recently, network coding has been proposed as a solution to provide agile and cost…

信息论 · 计算机科学 2016-11-17 Salah A. Aly , Ahmed E. Kamal

The problem of minimizing a sum of local convex objective functions over a networked system captures many important applications and has received much attention in the distributed optimization field. Most of existing work focuses on…

最优化与控制 · 数学 2019-01-09 Fatemeh Mansoori , Ermin Wei

We exhibit a simple, systematic procedure for detecting and correcting errors using any of the recently reported quantum error-correcting codes. The procedure is shown explicitly for a code in which one qubit is mapped into five. The…

量子物理 · 物理学 2009-10-30 David P. DiVincenzo , Peter W. Shor

We establish lower bounds on the sub-packetization of optimal-access MSR codes in the context of multiple-node failures. These bounds generalize the tight bounds for single-node failure presented by Balaji et al. (IEEE Transactions on…

信息论 · 计算机科学 2025-01-23 Lewen Wang , Zihao Zhang , Sihuang Hu

Robustness estimation is critical for the design and maintenance of resilient networks, one of the global challenges of the 21st century. Existing studies exploit network metrics to generate attack strategies, which simulate intentional…

社会与信息网络 · 计算机科学 2016-08-16 Sebastian Wandelt , Xiaoqian Sun

This paper studies bounds and constructions of locally repairable codes (LRCs) with multiple localities so-called multiple-locality LRCs (ML-LRCs). In the simplest case of two localities some code symbols of an ML-LRC have a certain…

信息论 · 计算机科学 2016-01-13 Alexander Zeh , Eitan Yaakobi