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As a special class of linear codes, minimal linear codes have important applications in secret sharing and secure two-party computation. Constructing minimal linear codes with new and desirable parameters has been an interesting research…

Information Theory · Computer Science 2018-03-28 Ziling Heng , Cunsheng Ding , Zhengchun Zhou

Minimal linear codes are algebraic objects which gained interest in the last twenty years, due to their link with Massey's secret sharing schemes. In this context, Ashikhmin and Barg provided a useful and a quite easy to handle sufficient…

Information Theory · Computer Science 2019-12-09 Matteo Bonini , Martino Borello

In recent years, there have been many constructions of minimal linear codes violating the Ashikhmin-Barg condition from Boolean functions, linear codes with few nonzero weights or partial difference sets. In this paper, we first give a…

Information Theory · Computer Science 2025-05-20 Hao Chen , Yaqi Chen , Conghui Xie , Huimin Lao

Recently, minimal linear codes have been extensively studied due to their applications in secret sharing schemes, secure two-party computations, and so on. Constructing minimal linear codes violating the Ashikhmin-Barg condition and then…

Information Theory · Computer Science 2022-01-11 Haibo Liu , Qunying Liao

In this paper, we study a class of linear codes defined by characteristic functions of certain subsets of a finite field. We derive a sufficient and necessary condition for such a code to be a minimal linear code by a character-theoretical…

Combinatorics · Mathematics 2021-02-23 Ran Tao , Tao Feng , Weicong Li

Linear codes have attracted considerable attention in coding theory and cryptography due to their significant applications in secret sharing schemes, secure two-party computation, Galois geometries, among others. As two special subclasses…

Information Theory · Computer Science 2025-07-15 Wengang Jin , Kangquan Li , Longjiang Qu

Blocking sets and minimal codes have been studied for many years in projective geometry and coding theory. In this paper, we provide a new lower bound on the size of $t$-fold $s$-blocking sets without the condition $t \leq q$, which is…

Information Theory · Computer Science 2025-12-11 Hao Chen , Xu Pan , Conghui Xie

Recently, minimal linear codes have been extensively studied due to their applications in secret sharing schemes, two-party computations, and so on. Constructing minimal linear codes violating the Ashikhmin-Barg condition and then…

Information Theory · Computer Science 2021-11-23 Haibo Liu Qunying Liao , Canze Zhu

Recently, minimal linear codes have been extensively studied due to their applications in secret sharing schemes, secure two-party computations, and so on. Constructing minimal linear codes violating the Ashikhmin-Barg condition and then…

Information Theory · Computer Science 2026-05-28 Haibo Liu , Xin Guo , Qunying Liao

In this paper, we first study in detail the relationship between minimal linear codes and cutting blocking sets, which were recently introduced by Bonini and Borello, and then completely characterize minimal linear codes as cutting blocking…

Information Theory · Computer Science 2020-04-28 Chunming Tang , Yan Qiu , Qunying Liao , Zhengchun Zhou

In this article, we present two new approaches to construct minimal linear codes of dimension $n+1$ over $\mathbb{F}_{3}$ using characteristic and ternary functions. We also obtain the weight distributions of these constructed minimal…

Information Theory · Computer Science 2024-05-24 Wajid M. Shaikh , Rupali S. Jain , B. Surendranath Reddy , Bhagyashri S. Patil , Sahar M. A. Maqbol

Minimal codes are linear codes where all non-zero codewords are minimal, i.e., whose support is not properly contained in the support of another codeword. The minimum possible length of such a $k$-dimensional linear code over $\mathbb{F}_q$…

Combinatorics · Mathematics 2025-06-06 Vladimir Chubenko , Sascha Kurz

We study the minimum number of minimal codewords in linear codes from the point of view of projective geometry. We derive bounds and in some cases determine the exact values. We also present an extension to minimal subcode supports.

Combinatorics · Mathematics 2023-01-19 Romar dela Cruz , Michael Kiermaier , Sascha Kurz , Alfred Wassermann

The main purpose of this paper is to further study the structure, parameters and constructions of the recently introduced minimal codes in the sum-rank metric. These objects form a bridge between the classical minimal codes in the Hamming…

Combinatorics · Mathematics 2023-03-14 Martino Borello , Ferdinando Zullo

In this paper, we consider minimal linear codes in a general construction of linear codes from q-ary functions. First, we give the sufficient and necessary condition for codewords to be minimal. Second, as an application, we present four…

Information Theory · Computer Science 2020-12-08 Xia Wu , Wei Lu , Xiwang Cao

In this paper, we will give the generic construction of a binary linear code of dimension $n+3$ and derive the necessary and sufficient conditions for the constructed code to be minimal. Using generic construction, a new family of minimal…

Information Theory · Computer Science 2024-03-21 Wajid M. Shaikh , Rupali S. Jain , B. Surendranath Reddy , Bhagyashri S. Patil

In this paper we generalize constructions in two recent works of Ding, Heng, Zhou to any field $\mathbb{F}_q$, $q$ odd, providing infinite families of minimal codes for which the Ashikhmin-Barg bound does not hold.

Combinatorics · Mathematics 2018-11-21 Daniele Bartoli , Matteo Bonini

Let $k\leq n$ be two positive integers and $q$ a prime power. The basic question in minimal linear codes is to determine if there exists an $[n,k]_q$ minimal linear code. The first objective of this paper is to present a new sufficient and…

Information Theory · Computer Science 2019-11-19 Wei Lu , Xia Wu , Xiwang Cao

Minimal codewords have applications in decoding linear codes and in cryptography. We study the number of minimal codewords in binary linear codes that arise by appending a unit matrix to the adjacency matrix of a graph.

Combinatorics · Mathematics 2020-06-05 Sascha Kurz

Partial spread is important in finite geometry and can be used to construct linear codes. From the results in (Designs, Codes and Cryptography 90:1-15, 2022) by Xia Li, Qin Yue and Deng Tang, we know that if the number of the elements in a…

Information Theory · Computer Science 2023-05-10 W. Lu , X. Wu , X. W. Cao , G. J. Luo , X. P. Qin
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