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Due to wide applications of BCH codes, the determination of their minimum distance is of great interest. However, this is a very challenging problem for which few theoretical results have been reported in the last four decades. Even for the…

Information Theory · Computer Science 2017-11-06 Shuxing Li

BCH codes are an interesting class of cyclic codes due to their efficient encoding and decoding algorithms. In the past sixty years, a lot of progress on the study of BCH codes has been made, but little is known about the properties of…

Information Theory · Computer Science 2023-12-12 Xiaoqiang Wang , Chengliang Xiao , Dabin Zheng

Cyclic codes are an interesting class of linear codes due to their efficient encoding and decoding algorithms as well as their theoretical importance. BCH codes form a subclass of cyclic codes and are very important in both theory and…

Information Theory · Computer Science 2016-08-09 Shuxing Li , Cunsheng Ding , Hao Liu

Classical BCH codes that contain their (Euclidean or Hermitian) dual codes can be used to construct quantum stabilizer codes; this correspondence studies the properties of such codes. It is shown that a BCH code of length n can contain its…

Quantum Physics · Physics 2007-05-23 Salah A. Aly , Andreas Klappenecker , Pradeep Kiran Sarvepalli

In this paper we propose a technique to blindly synthesize the generator polynomial of BCH codes. The proposed technique involves finding Greatest Common Divisor (GCD) among different codewords and block lengths. Based on this combinatorial…

Information Theory · Computer Science 2012-10-31 Atta Ul Mustafa , Ghulam Murtaza

Biharmonic distance (\bd) is a powerful graph distance metric with many applications, including identifying critical links in road networks and mitigating over-squashing problem in \gnn. However, computing \bd\ is extremely difficult,…

Data Structures and Algorithms · Computer Science 2025-12-03 Yueyang Pan , Meihao Liao , Rong-Hua Li

In this paper we characterize the orbit codes as geometrically uniform codes. This characterization is based on the description of all isometries over a projective geometry. In addition, the Abelian orbit codes are defined and a new…

Information Theory · Computer Science 2018-10-19 Gustavo Terra Bastos , Reginaldo Palazzo Júnior , Marinês Guerreiro

BCH codes with efficient encoding and decoding algorithms have many applications in communications, cryptography and combinatorics design. This paper studies a class of linear codes of length $ \frac{q^m-1}{2}$ over $\mathbb{F}_q$ with…

Information Theory · Computer Science 2019-03-19 Xin Ling , Sihem Mesnager , Yanfeng Qi , Chunming Tang

Bose-Chaudhuri-Hocquenghem (BCH) codes have been intensively investigated. Even so, there is only a little known about primitive BCH codes, let alone non-primitive ones. In this paper, let $q>2$ be a prime power, the dimension of a family…

Information Theory · Computer Science 2024-09-26 Yang Liu , Ruihu Li , Luobin Guo , Hao Song

The \textit{biharmonic distance} (BD) is a fundamental metric that measures the distance of two nodes in a graph. It has found applications in network coherence, machine learning, and computational graphics, among others. In spite of BD's…

Social and Information Networks · Computer Science 2024-08-27 Changan Liu , Ahad N. Zehmakan , Zhongzhi Zhang

The decomposition of a quasi-abelian code into shorter linear codes over larger alphabets was given in (Jitman, Ling, (2015)), extending the analogous Chinese remainder decomposition of quasi-cyclic codes (Ling, Sol\'e, (2001)). We give a…

Information Theory · Computer Science 2019-03-27 Martino Borello , Cem Güneri , Elif Saçıkara , Patrick Solé

BCH codes have been studied for over fifty years and widely employed in consumer devices, communication systems, and data storage systems. However, the dimension of BCH codes is settled only for a very small number of cases. In this paper,…

Information Theory · Computer Science 2016-08-11 Hao Liu , Cunsheng Ding , Chengju Li

We derive new explicit bounds for the total variation distance between two convolution products of $n$ probability distributions, one of which having identical convolution factors. Approximations by finite signed measures of arbitrary order…

Probability · Mathematics 2008-11-06 Bero Roos

We discuss methodological issues related to the evaluation of unsupervised binary code construction methods for nearest neighbor search. These issues have been widely ignored in literature. These coding methods attempt to preserve either…

Computer Vision and Pattern Recognition · Computer Science 2014-09-30 Mohammad Rastegari , Shobeir Fakhraei , Jonghyun Choi , David Jacobs , Larry S. Davis

We introduce two new algebraic invariants, the (co)homological distances between continuous maps, which provide computable lower bounds for the homotopic distance and strictly refine the classical cup-length estimates. We then define the…

Algebraic Topology · Mathematics 2025-11-26 Enrique Macías-Virgós , Ángel Méndez-Vázquez , David Mosquera-Lois

The problem of finding code distance has been long studied for the generic ensembles of linear codes and led to several algorithms that substantially reduce exponential complexity of this task. However, no asymptotic complexity bounds are…

Information Theory · Computer Science 2016-11-17 Ilya Dumer , Alexey A. Kovalev , Leonid P. Pryadko

Cyclic BCH codes and negacyclic BCH codes form important subclasses of cyclic codes and negacyclic codes, respectively, and can produce optimal linear codes in many cases. To the best of our knowledge, there are few results on the dual…

Information Theory · Computer Science 2024-01-29 Yuqing Fu , Hongwei Liu

BCH codes are an interesting class of cyclic codes due to their efficient encoding and decoding algorithms. In many cases, BCH codes are the best linear codes. However, the dimension and minimum distance of BCH codes have been seldom…

Information Theory · Computer Science 2021-12-07 Xiaoqiang Wang

BCH codes form an important subclass of cyclic codes, and are widely used in compact discs, digital audio tapes and other data storage systems to improve data reliability. As far as we know, there are few results on $q$-ary BCH codes of…

Information Theory · Computer Science 2024-01-29 Yuqing Fu , Hongwei Liu

The Euclidean distance degree of an algebraic variety is a well-studied topic in applied algebra and geometry. It has direct applications in geometric modeling, computer vision, and statistics. We use non-proper Morse theory to give a…

Algebraic Geometry · Mathematics 2018-12-17 Laurentiu G. Maxim , Jose Israel Rodriguez , Botong Wang