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This paper considers rateless network error correction codes for reliable multicast in the presence of adversarial errors. Most existing network error correction codes are designed for a given network capacity and maximum number of errors…

信息论 · 计算机科学 2013-01-15 Wentao Huang , Tracey Ho , Hongyi Yao , Sidharth Jaggi

The idea of computational error correction has been around for over half a century. The motivation has largely been to mitigate unreliable devices, manufacturing defects or harsh environments, primarily as a mandatory measure to preserve…

其他计算机科学 · 计算机科学 2016-11-11 Sriseshan Srikanth , Bobin Deng , Thomas M. Conte

In this paper, we introduce a notion of quantum discrepancy, a non-commutative version of combinatorial discrepancy which is defined for projection systems, i.e. finite sets of orthogonal projections, as non-commutative counterparts of set…

概率论 · 数学 2020-10-16 Kasra Alishahi , Mohaddeseh Rajaee , Ali Rajaei

This paper investigates the problem of single-source multicasting over a communication network in the presence of restricted adversaries. When the adversary is constrained to operate only on a prescribed subset of edges, classical cut-set…

信息论 · 计算机科学 2026-03-10 Christopher Hojny , Altan B. Kılıç , Sascha Kurz , Alberto Ravagnani

Consider a source and multiple users who observe the independent and identically distributed (i.i.d.) copies of correlated Gaussian random variables. The source wishes to compress its observations and store the result in a public database…

信息论 · 计算机科学 2024-07-31 Hassan ZivariFard , Remi A. Chou

We present new lower and upper bounds for the compression rate of binary prefix codes optimized over memoryless sources according to two related exponential codeword length objectives. The objectives explored here are exponential-average…

信息论 · 计算机科学 2011-05-03 Michael B. Baer

In this paper, we study the state-dependent two-user interference channel, where the state information is non-causally known at both transmitters but unknown to either of the receivers. We first propose two coding schemes for the discrete…

信息论 · 计算机科学 2015-03-19 Lili Zhang , Jinhua Jiang , Shuguang Cui

We prove that the ensemble the nested coset codes built on finite fields achieves the capacity of arbitrary discrete memoryless point-to-point channels. Exploiting it's algebraic structure, we develop a coding technique for communication…

信息论 · 计算机科学 2022-03-02 Arun Padakandla , Sandeep Pradhan

We introduce randomized Limited View (LV) adversary codes that provide protection against an adversary that uses their partial view of the communication to construct an adversarial error vector to be added to the channel. For a codeword of…

信息论 · 计算机科学 2013-03-13 Reihaneh Safavi-Naini , Pengwei Wang

When transmitting information over a noisy channel, two approaches, dating back to Shannon's work, are common: assuming the channel errors are independent of the transmitted content and devising an error-correcting code, or assuming the…

信息论 · 计算机科学 2015-01-22 Ohad Elishco , Tom Meyerovitch , Moshe Schwartz

In this paper, we propose Dynamic Compressive Transformer (DCT), a transformer-based framework for modeling the unbounded sequence. In contrast to the previous baselines which append every sentence representation to memory, conditionally…

计算与语言 · 计算机科学 2021-10-12 Kai-Po Chang , Wei-Yun Ma

In the pliable variant of index coding, receivers are allowed to decode any new message not known a priori. Optimal code design for this variant involves identifying each receiver's choice of a new message that minimises the overall…

信息论 · 计算机科学 2022-05-06 Lawrence Ong , Badri N. Vellambi

Interactive coding allows two parties to conduct a distributed computation despite noise corrupting a certain fraction of their communication. Dani et al.\@ (Inf.\@ and Comp., 2018) suggested a novel setting in which the amount of noise is…

数据结构与算法 · 计算机科学 2024-07-15 Eden Fargion , Ran Gelles , Meghal Gupta

Twisted permutation codes, introduced recently by the second and third authors, are frequency permutation arrays. They are similar to repetition permutation codes, in that they are obtained by a repetition construction applied to a smaller…

组合数学 · 数学 2015-11-24 Marzieh Akbari , Neil I. Gillespie , Cheryl E. Praeger

In this paper we propose a data-driven distributionally robust Model Predictive Control framework for constrained stochastic systems with unbounded additive disturbances. Recursive feasibility is ensured by optimizing over an linearly…

最优化与控制 · 数学 2023-03-07 Christoph Mark , Steven Liu

In the SetDisjointness problem, a collection of $m$ sets $S_1,S_2,...,S_m$ from some universe $U$ is preprocessed in order to answer queries on the emptiness of the intersection of some two query sets from the collection. In the…

数据结构与算法 · 计算机科学 2019-10-03 Isaac Goldstein , Moshe Lewenstein , Ely Porat

In this paper, we introduce a set of tools for providing user-friendly explanations in an explanation-based constraint programming system. The idea is to represent the constraints of a problem as an hierarchy (a tree). Users are then…

编程语言 · 计算机科学 2007-05-23 Narendra Jussien , Samir Ouis

An obfuscator is an algorithm that translates circuits into functionally-equivalent similarly-sized circuits that are hard to understand. Efficient obfuscators would have many applications in cryptography. Until recently, theoretical…

密码学与安全 · 计算机科学 2017-10-11 Gorjan Alagic , Stacey Jeffery , Stephen P. Jordan

Various notions of non-malleable secret sharing schemes have been considered. In this paper, we review the existing work on non-malleable secret sharing and suggest a novel game-based definition. We provide a new construction of an…

密码学与安全 · 计算机科学 2023-05-17 Shannon Veitch , Douglas R. Stinson

A new approach to data compression is developed and applied to multimedia content. This method separates messages into components suitable for both lossless coding and 'lossy' or statistical coding techniques, compressing complex objects by…

信息论 · 计算机科学 2011-12-26 John Scoville