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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

In their seminal 1989 work (IEEE Trans. Inf. Theory 35(3):655-657), Roth and Lempel constructed a well-known family of non-Reed-Solomon maximum distance separable (MDS) codes. For decades, this family of codes has attracted extensive…

Information Theory · Computer Science 2026-04-28 Qi Liu , Xuefei Wu , Yingchun Cheng , Haiyan Zhou

Twisted generalized Reed-Solomon (TGRS) codes are an extension of the generalized Reed-Solomon (GRS) codes by adding specific twists, which attract much attention recently. This paper presents an in-depth and comprehensive investigation of…

Information Theory · Computer Science 2025-02-10 Zhao Hu , Liang Wang , Nian Li , Xiangyong Zeng , Xiaohu Tang

In this paper, we give a parity check matrix for the $(+)$-extended twisted generalized Reed Solomon (in short, ETGRS) code, and then not only prove that it is MDS or NMDS, but also determine the weight distribution. Especially, based on…

Information Theory · Computer Science 2022-11-10 Canze Zhu , Qunying Liao

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

It's well known that MDS, AMDS or self dual codes have good algebraic properties, and are applied in communication systems, data storage, quantum codes, and so on. In this paper, we focus on a class of generalized Roth-Lempel linear codes…

Information Theory · Computer Science 2026-02-06 Zhonghao Liang , Yongkang Wan , Qunying Liao

This article introduces Generalized Hyperderivative Reed-Solomon codes (GHRS codes), which generalize NRT Reed-Solomon codes. Its main results are as follows: 1) every GHRS code is MDS, 2) the dual of a GHRS code is also an GHRS code, 3)…

Information Theory · Computer Science 2025-12-30 Mahir Bilen Can , Benjamin Horowitz

In this paper, we not only give the parity check matrix of the $[1,0]$-twisted generalized Reed-Solomon (in short, TGRS) code, but also determine the weight distribution. Especially, we show that the $[1,0]$-TGRS code is not GRS or EGRS.…

Information Theory · Computer Science 2023-04-25 Canze Zhu , Qunying Liao

Maximum distance separable (in short, MDS), near MDS (in short, NMDS), and self-orthogonal codes play a pivotal role in algebraic coding theory, particularly in applications such as quantum communications and secret sharing scheme.…

Information Theory · Computer Science 2026-01-09 Zhonghao Liang , Chenlu Jia , Dongmei Huang , Qunying Liao , Chunming Tang

We investigate two classes of extended codes and provide necessary and sufficient conditions for these codes to be non-GRS MDS codes. We also determine the parity check matrices for these codes. Using the connection of MDS codes with arcs…

Information Theory · Computer Science 2025-06-16 Kanat Abdukhalikov , Cunsheng Ding , Gyanendra K. Verma

Since near maximum distance separable (NMDS) codes have good algebraic properties and excellent error-correcting capabilities, they have been widely used in various fields such as communication systems, data storage, quantum codes, and so…

Information Theory · Computer Science 2025-06-25 Zhonghao Liang , Qunying Liao

Expanded Blaum-Roth (EBR) codes consist of $n\times n$ arrays such that lines of slopes $i$, $0\leq i\leq r-1$ for $2\leq r<n$, as well as vertical lines, have even parity. The codes are MDS with respect to columns, i.e., they can recover…

Information Theory · Computer Science 2021-04-15 Mario Blaum

MDS self-dual codes have good algebraic structure, and their parameters are completely determined by the code length. In recent years, the construction of MDS Euclidean self-dual codes with new lengths has become an important issue in…

Information Theory · Computer Science 2025-04-03 Weirong Meng , Weijun Fang , Fang-Wei Fu , Haiyan Zhou , Ziyi Gu

In recent years, the construction of non-GRS type linear codes has attracted considerable attention due to that they can effectively resist both the Sidelnikov-Shestakov attack and the Wieschebrink attack. Constructing linear complementary…

Information Theory · Computer Science 2026-03-18 Zhonghao Liang , Dongmei Huang , Qunying Liao , Cuiling Fan , Zhengchun Zhou

In 2017, Beelen et al. firstly introduced twisted generalized Reed-Solomon (in short, TGRS) codes, and constructed a large subclass of MDS TGRS codes. Later, they proved that TGRS code is non-GRS when the code rate is less than one half. In…

Information Theory · Computer Science 2022-04-27 Canze Zhu , Qunying Liao

In this paper, we provide conditions that hulls of generalized Reed-Solomon (GRS) codes are also GRS codes from algebraic geometry codes. If the conditions are not satisfied, we provide a method of linear algebra to find the bases of hulls…

Information Theory · Computer Science 2024-01-25 Xue Jia , Qin Yue , Huan Sun , Junzhen Sui

In this paper, we propose a mechanism on the constructions of MDS codes with arbitrary dimensions of Euclidean hulls. Precisely, we construct (extended) generalized Reed-Solomon(GRS) codes with assigned dimensions of Euclidean hulls from…

Information Theory · Computer Science 2019-10-24 Xiaolei Fang , Meiqing Liu , Jinquan Luo

It's well-known that maximum distance separable codes (in short, MDS) and linear complementary dual (in short, LCD) codes are very important in coding theory and practice. In 2023, Yue et al. [25] constructed three classes of LCD MDS codes…

Information Theory · Computer Science 2025-09-19 Zhonghao Liang , Qunying Liao

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

Self-dual MDS and NMDS codes over finite fields are linear codes with significant combinatorial and cryptographic applications. In this paper, firstly, we investigate the duality properties of generalized twisted Reed-Solomon (abbreviated…

Information Theory · Computer Science 2022-02-24 Guanmin Guo , Ruihu Li , Yang Liu , Hao Song
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