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The determination of the maximal length of maximum distance separable (MDS) codes arising from elliptic curves is a central problem in coding theory. For an elliptic curve $E$ over $\mathbb{F}_q$, let $\operatorname{MEC}(k,q)$ denote the…

Information Theory · Computer Science 2026-05-29 Haojie Chen , Chuangqiang Hu , Junjie Huang , Chang-An Zhao

MDS codes have diverse practical applications in communication systems, data storage, and quantum codes due to their algebraic properties and optimal error-correcting capability. In this paper, we focus on a class of linear codes and…

Information Theory · Computer Science 2024-01-09 Yansheng Wu , Ziling Heng , Chengju Li , Cunsheng Ding

It is always interesting and important to construct non-Reed-Solomon type MDS codes in coding theory and finite geometries. In this paper, we prove that there are non-Reed-Solomon type MDS codes from arbitrary genus algebraic curves. It is…

Information Theory · Computer Science 2023-07-27 Hao Chen

Maximum distance separable (MDS) and almost maximum distance separable (AMDS) codes have been widely used in various fields such as communication systems, data storage, and quantum codes because of their algebraic properties and excellent…

Information Theory · Computer Science 2026-04-08 Meiying Zhang , Shudi Yang , Yanbin Zheng

Maximum Distance Separable (MDS) self-dual codes are of significant theoretical and practical importance. Generalized Reed-Solomon (GRS) codes are the most prominent MDS codes. Correspondingly there have been many research on constructions…

Information Theory · Computer Science 2026-02-09 Chun'e Zhao , Wenping Ma

Let $p$ be a prime and let $q$ be a power of $p$. In this paper, by using generalized Reed-Solomon (GRS for short) codes and extended GRS codes, we construct two new classes of quantum maximum-distance- separable (MDS) codes with parameters…

Information Theory · Computer Science 2018-07-17 Weijun Fang , Fang-Wei Fu

In this paper, we study the Hermitian hulls of generalized Reed-Solomon (GRS) codes over finite fields. For a given class of GRS codes, by extending the length, increasing the dimension, and extending the length and increasing the dimension…

Information Theory · Computer Science 2024-11-07 Ruhao Wan , Shixin Zhu

A linear code is called an MDS self-dual code if it is both an MDS code and a self-dual code with respect to the Euclidean inner product. The parameters of such codes are completely determined by the code length. In this paper, we consider…

Information Theory · Computer Science 2020-05-26 Weijun Fang , Jun Zhang , Shu-Tao Xia1 , Fang-Wei Fu

This paper contributes to maximum distance separable (MDS) and near MDS (NMDS) properties of the extended generalized twisted Reed-Solomon (TGRS) codes. Firstly, a family of extended TGRS (ETGRS) are constructed by appending three columns…

Information Theory · Computer Science 2026-05-25 Yanli Wang , Yanxin Chen , Tongjiang Yan

Let $\mathbb{F}_q$ be a finite field with $q=p^{e}$ elements, where $p$ is a prime number and $e \geq 1$ is an integer. In this paper, by means of generalized Reed-Solomon (GRS) codes, we construct two new classes of quantum…

Information Theory · Computer Science 2020-02-17 Hualu Liu , Xiusheng Liu

Recently, the construction of new MDS Euclidean self-dual codes has been widely investigated. In this paper, for square q, we utilize generalized Reed-Solomon (GRS) codes and their extended codes to provide four generic families of q-ary…

Information Theory · Computer Science 2021-10-28 Ziteng Huang , Weijun Fang , Fang-Wei Fu

Code-based Distributed Matrix Multiplication (DMM) has been extensively studied in distributed computing for efficiently performing large-scale matrix multiplication using coding theoretic techniques. The communication cost and recovery…

Information Theory · Computer Science 2024-08-06 Jiang Li , Songsong Li , Chaoping Xing

For a given linear code $\C$ of length $n$ over $\gf(q)$ and a nonzero vector $\bu$ in $\gf(q)^n$, Sun, Ding and Chen defined an extended linear code $\overline{\C}(\bu)$ of $\C$, which is a generalisation of the classical extended code…

Information Theory · Computer Science 2023-12-12 Yansheng Wu , Cunsheng Ding , Tingfang Chen

Generalized Reed-Solomon and extended generalized Reed-Solomon (abbreviation to GRS and EGRS) codes are the most well-known family of MDS codes with wide applications in coding theory and practice. Let $\mathbb{F}_q$ be the $q$ elements…

Information Theory · Computer Science 2022-04-27 Canze Zhu

A subset $\mathcal{S}$ of a conic $\mathcal{C}$ in the projective plane $\mathrm{PG}(2,q)$ is called almost complete (AC-subset for short) if it can be extended to a larger arc in $\mathrm{PG}(2,q)$ only by the points of…

Combinatorics · Mathematics 2017-12-29 Daniele Bartoli , Alexander A. Davydov , Stefano Marcugini , Fernanda Pambianco

The main conjecture on maximum distance separable (MDS) codes states that, execpt for some special cases, the maximum length of a q-ary linear MDS code is q+1. This conjecture does not hold true for near maximum distance separable codes…

Algebraic Geometry · Mathematics 2007-07-16 Massimo Giulietti

In this work, doubly extended linearized Reed--Solomon codes and triply extended Reed--Solomon codes are generalized. We obtain a general result in which we characterize when a multiply extended code for a general metric attains the…

Information Theory · Computer Science 2022-12-13 Umberto Martínez-Peñas

In this work we investigate the problem of producing iso-dual algebraic geometry (AG) codes over a finite field $\mathbb{F}_q$ with $q$ elements. Given a finite separable extension $\mathcal{M}/\mathcal{F}$ of function fields and an…

Information Theory · Computer Science 2026-04-16 María Chara , Ricardo Podestá , Luciane Quoos , Ricardo Toledano

Maximum distance separable (MDS) codes that are not equivalent to generalized Reed-Solomon (GRS) codes are called non-GRS MDS codes. Alongside near MDS (NMDS) codes, they are applicable in communication, cryptography, and storage systems.…

Information Theory · Computer Science 2025-08-05 Yang Li , Martianus Frederic Ezerman , Huimin Lao , San Ling

A linear code with parameters $[n, k, n - k + 1]$ is called maximum distance separable (MDS), and one with parameters $[n, k, n - k]$ is called almost MDS (AMDS). A code is near-MDS (NMDS) if both it and its dual are AMDS. NMDS codes…

Combinatorics · Mathematics 2026-04-07 Hengfeng Liu , Chunming Tang , Zhengchun Zhou , Dongchun Han , Hao Chen
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