Article
Mathematics, Applied
Yinzhao Lei, Chengju Li, Yansheng Wu, Peng Zeng
Summary: This paper explores the hull of linear codes and its applications in communication and cryptography. By using the defining set of the code, a general characterization of the hull's dimension is presented. The focus is mainly on primitive q-ary BCH codes, and sufficient and necessary conditions for the dimension of the hulls are given. Additionally, several classes of self-orthogonal codes are proposed and their parameters are investigated.
FINITE FIELDS AND THEIR APPLICATIONS
(2022)
Article
Computer Science, Theory & Methods
Yuwen Huang, Chengju Li, Qi Wang, Zongrun Du
Summary: This paper discusses the concept of the hull of linear codes and its properties, focusing on the dimensions and minimum distances of projective narrow-sense BCH code hulls under different conditions. Additionally, the paper explores the necessary and sufficient conditions for the Euclidean dual-containing BCH codes, as well as characterizations of ternary projective narrow-sense BCH code hulls.
DESIGNS CODES AND CRYPTOGRAPHY
(2022)
Article
Computer Science, Theory & Methods
Binbin Pang, Shixin Zhu, Tian Yang, Jun Gao
Summary: Hulls of linear codes have good properties and wide applications. This paper presents necessary and sufficient conditions for BCH codes to have k-1 or k(perpendicular to)-1 dimensional hulls. Additionally, the parameters of several self-orthogonal codes that arise as hulls of BCH codes are provided, resulting in many optimal codes.
DESIGNS CODES AND CRYPTOGRAPHY
(2023)
Article
Mathematics, Applied
Huilian Zhu, Jin Li, Shixin Zhu
Summary: This paper investigates the dimensions and minimum distances of negacyclic BCH codes, providing lower bounds for these two classes of codes.
JOURNAL OF APPLIED MATHEMATICS AND COMPUTING
(2023)
Article
Telecommunications
Chunyu Gan, Chengju Li, Haifeng Qian
Summary: This letter investigates the parameters of the primitive BCH code C-(q,C-n,C-delta) over F-q and their hulls for 2 <= delta <= n. A sufficient and necessary condition on the designed distance for the hull to have the largest dimension is also presented.
IEEE COMMUNICATIONS LETTERS
(2021)
Article
Mathematics
Yang Liu, Ruihu Li, Luobin Guo, Hao Song
Summary: In this paper, the dimension of a family of non-primitive BCH codes of length n=q(m)+1 is studied. These codes are also linear codes with complementary duals (LCD codes). The coset leaders of Cx modulo n with q([m/2])< x < 2q([m/2]) + 2 are given for m > 4 using iterative algorithm, partition and scaling. The first several largest coset leaders modulo n are determined for odd m. Furthermore, a new kind of sequences is introduced to determine the second largest coset leader modulo n with m even and q odd. Conjectures about the first several coset leaders modulo n are proposed for even m.
DISCRETE MATHEMATICS
(2023)
Article
Computer Science, Theory & Methods
Binbin Pang, Shixin Zhu, Xiaoshan Kai
Summary: This paper determines the dimension and the Bose distance of five families of narrow-sense primitive BCH codes with designed distances. Specifically, the expressions for the designed distances are provided and parameters for two subfamilies of BCH codes are obtained. The paper also showcases the narrow-sense primitive BCH codes with flexible designed distances and presents a number of optimal codes.
DESIGNS CODES AND CRYPTOGRAPHY
(2021)
Article
Quantum Science & Technology
Hongmei Lu, Xiaoshan Kai, Shixin Zhu
Summary: This work explores the structure of q(2)-ary cyclic codes through analyzing cyclotomic cosets and constructs new EAQMDS codes.
QUANTUM INFORMATION PROCESSING
(2022)
Article
Computer Science, Theory & Methods
Guangkui Xu, Gaojun Luo, Xiwang Cao, Heqian Xu
Summary: This paper focuses on the hull of Simplex codes and punctured Simplex codes. The properties of the matrix produced by the column vectors of a projective space are studied to determine the Euclidean and Hermitian hull of punctured Simplex codes. The Euclidean and Hermitian hull of several classes of linear codes from Simplex codes are also investigated.
DESIGNS CODES AND CRYPTOGRAPHY
(2023)
Article
Computer Science, Theory & Methods
Huilian Zhu, Jin LI, Shan Huang
Summary: This paper investigates the parameters of a certain class of q-ary constacyclic BCH codes and computes their exact dimensions within specific ranges of designed distance.
ADVANCES IN MATHEMATICS OF COMMUNICATIONS
(2023)
Article
Mathematics
Yanhui Zhang, Li Liu, Xianhong Xie
Summary: BCH codes, an important class of cyclic codes, have broad applications in communication and storage systems. Determining the parameters of BCH codes is challenging, with only a few known cases. This paper mainly focuses on three classes of BCH codes with n = qm -1, qq2s+1-1, qm-1 q-1. We provide the parameters for C(n,q,& delta;,1) and its dual code in some instances and establish sufficient and necessary conditions for C(n,q,& delta;,2) to be a dually-BCH code.
DISCRETE MATHEMATICS
(2023)
Article
Mathematics
Jiafu Mi, Xiwang Cao
Summary: This paper constructs MDS Galois self-dual constacyclic codes over finite fields, explores their existence conditions, and classifies and constructs all normal MDS Galois self-dual constacyclic codes over F-q of length n based on certain conditions.
DISCRETE MATHEMATICS
(2021)
Article
Computer Science, Information Systems
Mengyuan Fan, Chengju Li, Cunsheng Ding
Summary: As a special subclass of cyclic codes, BCH codes are among the best cyclic codes and are widely used in communication, storage systems, and consumer electronics. This paper aims to derive a necessary and sufficient condition for two classes of narrow-sense BCH codes to be Hermitian dually-BCH codes and improve the lower bounds on the minimum distances of their Hermitian dual codes.
IEEE TRANSACTIONS ON INFORMATION THEORY
(2023)
Article
Quantum Science & Technology
Liqi Wang, Pan Wang, Shixin Zhu
Summary: This paper investigates the construction and parameter characteristics of entanglement-assisted quantum maximum distance separable codes, which improve the performance of stabilizer QEC codes and achieve new breakthroughs in terms of parameters.
QUANTUM INFORMATION PROCESSING
(2022)
Article
Computer Science, Information Systems
Binkai Gong, Cunsheng Ding, Chengju Li
Summary: This paper investigates the symmetry problem of BCH codes, provides the symmetry conditions for primitive narrow-sense BCH codes and projective narrow-sense ternary BCH codes, and studies their dual codes. For binary primitive narrow-sense BCH codes, improved bounds on the minimum distances of the dual codes are obtained, and the question of which subclasses of cyclic codes are BCH codes is answered to some extent.
IEEE TRANSACTIONS ON INFORMATION THEORY
(2022)