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In this paper, we extend the work of (Abbondati et al., 2024) on decoding simultaneous rational number codes by addressing two important scenarios: multiplicities and the presence of bad primes (divisors of denominators). First, we…

信息论 · 计算机科学 2025-06-06 Matteo Abbondati , Eleonora Guerrini , Romain Lebreton

Recursive list decoding of Reed-Muller (RM) codes, with moderate list size, is known to approach maximum-likelihood (ML) performance of short length $(\leq 256)$ RM codes. Recursive decoding employs the Plotkin construction to split the…

信息论 · 计算机科学 2022-07-20 Mikhail Kamenev

We consider the problem of computing univariate polynomial matrices over a field that represent minimal solution bases for a general interpolation problem, some forms of which are the vector M-Pad\'e approximation problem in [Van Barel and…

符号计算 · 计算机科学 2016-06-14 Claude-Pierre Jeannerod , Vincent Neiger , Éric Schost , Gilles Villard

We study ensembles of codes on graphs (generalized low-density parity-check, or LDPC codes) constructed from random graphs and fixed local constrained codes, and their extension to codes on hypergraphs. It is known that the average minimum…

信息论 · 计算机科学 2011-02-22 Alexander Barg , Arya Mazumdar

Delsarte's method and its extensions allow to consider the upper bound problem for codes in 2-point-homogeneous spaces as a linear programming problem with perhaps infinitely many variables, which are the distance distribution. We show that…

组合数学 · 数学 2009-01-07 Oleg R. Musin

Let $A(n,d)$ be the maximum number of $0,1$ words of length $n$, any two having Hamming distance at least $d$. We prove $A(20,8)=256$, which implies that the quadruply shortened Golay code is optimal. Moreover, we show $A(18,6)\leq 673$,…

组合数学 · 数学 2010-05-28 Dion C. Gijswijt , Hans D. Mittelmann , Alexander Schrijver

We present a unique decoding algorithm of algebraic geometry codes on plane curves, Hermitian codes in particular, from an interpolation point of view. The algorithm successfully corrects errors of weight up to half of the order bound on…

信息论 · 计算机科学 2011-10-31 Kwankyu Lee , Maria Bras-Amorós , Michael E. O'Sullivan

We propose a versatile and efficient algorithmic framework for optimizing fermion-to-qubit mappings by generalizing the idea of randomized block coordinate descent. Our greedy approach, termed Randomized Subsystem Descent, iteratively…

量子物理 · 物理学 2026-04-21 Gengzhi Yang , Di Wu , Haizhao Yang , Xiaodi Wu , Ji Liu

Delorme suggested that the set of all complete intersection numerical semigroups can be computed recursively. We have implemented this algorithm, and particularized it to several subfamilies of this class of numerical semigroups: free and…

组合数学 · 数学 2013-01-22 Abdallah Assi , Pedro A. García-Sánchez

An iterative algorithm is presented for soft-input-soft-output (SISO) decoding of Reed-Solomon (RS) codes. The proposed iterative algorithm uses the sum product algorithm (SPA) in conjunction with a binary parity check matrix of the RS…

信息论 · 计算机科学 2009-09-29 Jing Jiang , Krishna R. Narayanan

Function-correcting codes, introduced by Lenz, Bitar, Wachter-Zeh, and Yaakobi, protect specific function values of a message rather than the entire message. A central challenge is determining the optimal redundancy -- the minimum…

信息论 · 计算机科学 2025-02-25 Gennian Ge , Zixiang Xu , Xiande Zhang , Yijun Zhang

The analysis of the decoding failure rate of the bit-flipping algorithm has received increasing attention. For a binary linear code we consider the minimum number of rows in a parity-check matrix such that the bit-flipping algorithm is able…

信息论 · 计算机科学 2024-02-05 Jens Zumbrägel

Error correction codes are an integral part of communication applications, boosting the reliability of transmission. The optimal decoding of transmitted codewords is the maximum likelihood rule, which is NP-hard due to the curse of…

信息论 · 计算机科学 2021-02-22 Nir Raviv , Avi Caciularu , Tomer Raviv , Jacob Goldberger , Yair Be'ery

Two-stage stochastic mixed-integer programming (SMIP) problems with general integer variables in the second-stage are generally difficult to solve. This paper develops the theory of integer set reduction for characterizing the subset of the…

最优化与控制 · 数学 2016-10-04 Saravanan Venkatachalam , Lewis Ntaimo

This work presents a hybrid approach to solve the maximum stable set problem, using constraint and semidefinite programming. The approach consists of two steps: subproblem generation and subproblem solution. First we rank the variable…

组合数学 · 数学 2007-05-23 W. J. van Hoeve

We give new constructions of two classes of algebraic code families which are efficiently list decodable with small output list size from a fraction $1-R-\epsilon$ of adversarial errors where $R$ is the rate of the code, for any desired…

计算复杂性 · 计算机科学 2020-11-17 Venkatesan Guruswami , Chaoping Xing

Dual quaternions and dual quaternion matrices are widely used in robotics research, particularly in simultaneous localization and mapping (SLAM) problem. Using dual quaternion theory and graph-based methods, SLAM can be reformulated as a…

数值分析 · 数学 2025-10-07 Yongjun Chen , Liping Zhang

A framework with two scalar parameters is introduced for various problems of finding a prefix code minimizing a coding penalty function. The framework encompasses problems previously proposed by Huffman, Campbell, Nath, and Drmota and…

信息论 · 计算机科学 2007-07-16 Michael B. Baer

The set of all error-correcting codes C over a fixed finite alphabet F of cardinality q determines the set of code points in the unit square with coordinates (R(C), delta (C)):= (relative transmission rate, relative minimal distance). The…

信息论 · 计算机科学 2019-09-04 Yuri I. Manin , Matilde Marcolli

We study entanglement-assisted quantum error-correcting codes (EAQECCs) arising from classical one-point algebraic geometry codes from the Hermitian curve with respect to the Hermitian inner product. Their only unknown parameter is $c$, the…