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In this paper we consider a Metzner-Kapturowski-like decoding algorithm for high-order interleaved sum-rank-metric codes, offering a novel perspective on the decoding process through the concept of an error code. The error code, defined as…

信息论 · 计算机科学 2024-09-30 Thomas Jerkovits , Felicitas Hörmann , Hannes Bartz

We describe a general purpose algorithm for counting simple cycles and simple paths of any length $\ell$ on a (weighted di)graph on $N$ vertices and $M$ edges, achieving a time complexity of $O\left(N+M+\big(\ell^\omega+\ell\Delta\big)…

数据结构与算法 · 计算机科学 2019-09-12 Pierre-Louis Giscard , Nils Kriege , Richard C. Wilson

Cyclic codes have wide applications in data storage systems and communication systems. Employing two-prime Whiteman generalized cyclotomic sequences of order 6, we construct several classes of cyclic codes over the finite field GF}(q) and…

信息论 · 计算机科学 2015-10-06 Tongjiang Yan , Yanyan Liu , Yuhua Sun

The discrete logarithm problem (DLP) generalizes to the constrained DLP, where the secret exponent $x$ belongs to a set known to the attacker. The complexity of generic algorithms for solving the constrained DLP depends on the choice of the…

数论 · 数学 2018-12-12 Ilya Mironov , Anton Mityagin , Kobbi Nissim

We determine the exact values of the linear complexity of 2p-periodic quaternary sequences over Z_4 (the residue class ring modulo 4) defined from the generalized cyclotomic classes modulo 2p in terms of the theory of of Galois rings of…

数论 · 数学 2016-03-17 Zhixiong Chen , Vladimir Edemskiy

The analysis of extensive numerical data for the percolation probabilities of incipient spanning clusters in two dimensional percolation at criticality are presented. We developed an effective code for the single-scan version of the…

统计力学 · 物理学 2007-05-23 Lev N. Shchur

Binary Sidel'nikov-Lempel-Cohn-Eastman sequences (or SLCE sequences) over F 2 have even period and almost perfect autocorrelation. However, the evaluation of the linear complexity of these sequences is really difficult. In this paper, we…

信息论 · 计算机科学 2017-02-21 Qi Zhang , Jing Yang

Both the Thue-Morse and Rudin-Shapiro sequences are not suitable sequences for cryptography since their expansion complexity is small and their correlation measure of order 2 is large. These facts imply that these sequences are highly…

数论 · 数学 2020-11-09 Pierre Popoli

In this paper, we give a construction of strongly regular Cayley graphs and a construction of skew Hadamard difference sets. Both constructions are based on choosing cyclotomic classes in finite fields, and they generalize the constructions…

组合数学 · 数学 2012-01-04 Tao Feng , Koji Momihara , Qing Xiang

Denote by $A$ the adjacency matrix of an Erdos-Renyi graph with bounded average degree. We consider the problem of maximizing $\langle A-E\{A\},X\rangle$ over the set of positive semidefinite matrices $X$ with diagonal entries $X_{ii}=1$.…

离散数学 · 计算机科学 2015-12-25 Andrea Montanari , Subhabrata Sen

Let $G$ be a connected semisimple simply connected Lie group with a compact Cartan subgroup and let $\Gamma$ be a uniform lattice in $G$. Let $\widehat{G}_d$ denote the set of equivalence classes of unitary discrete series representations…

表示论 · 数学 2025-07-10 Kaustabh Mondal , Gunja Sachdeva

Special prime families (twin, Sophie Germain, safe, cousin, sexy, Chen, and isolated primes) are central objects of analytic number theory, yet no efficiently computable probabilistic filter exists for identifying likely members among known…

综合数学 · 数学 2026-04-06 Manik Kakkar

We give new linear time globally explicit constructions for perfect hash families, cover-free families and separating hash functions.

离散数学 · 计算机科学 2014-06-12 Nader H. Bshouty

Balliu et al. (DISC 2020) classified the hardness of solving binary labeling problems with distributed graph algorithms; in these problems the task is to select a subset of edges in a $2$-colored tree in which white nodes of degree $d$ and…

分布式、并行与集群计算 · 计算机科学 2023-12-20 Henrik Lievonen , Timothé Picavet , Jukka Suomela

Let $n_1=ef+1$ and $n_2=ef'+1$ be two distinct odd primes with positive integers $e,\ f,\ f'.$ In this paper, the two-prime Whiteman's generalized cyclotomic sequence of order $e=6$ is employed to construct several classes of cyclic codes…

信息论 · 计算机科学 2015-07-27 Pramod Kumar Kewat , Priti Kumari

We relate the maximum semidefinite and linear extension complexity of a family of polytopes to the cardinality of this family and the minimum pairwise Hausdorff distance of its members. This result directly implies a known lower bound on…

最优化与控制 · 数学 2016-05-30 Gennadiy Averkov , Volker Kaibel , Stefan Weltge

We identify all $[1, \lambda, 8]$-cycle regular $I$-graphs and all $[1, \lambda, 8]$-cycle regular double generalized Petersen graphs. As a consequence we describe linear recognition algorithms for these graph families. Using structural…

组合数学 · 数学 2020-12-08 Nina Klobas , Matjaž Krnc

This paper classifies the complexity of various teaching models by their position in the arithmetical hierarchy. In particular, we determine the arithmetical complexity of the index sets of the following classes: (1) the class of uniformly…

逻辑 · 数学 2016-10-28 Achilles A. Beros , Ziyuan Gao , Sandra Zilles

The linear complexity and the $k$-error linear complexity of a sequence have been used as important security measures for key stream sequence strength in linear feedback shift register design. By studying the linear complexity of binary…

密码学与安全 · 计算机科学 2011-08-31 Jianqin Zhou , Wanquan Liu

We study the space complexity of four variants of the standard subgraph finding problem in the streaming model. Specifically, given an $n$-vertex input graph and a fixed-size pattern graph, we consider two settings: undirected simple…

数据结构与算法 · 计算机科学 2026-02-10 Yu-Sheng Shih , Meng-Tsung Tsai , Yen-Chu Tsai , Ying-Sian Wu