Optimal ternary quasi-cyclic codes
Designs, Codes and Cryptography
Discrete Mathematics - A collection of contributions in honour of Jack van Lint
Some New Optimal Ternary Linear Codes
Designs, Codes and Cryptography
Codes over \Bbb F_{3} + u\Bbb F_{3} and Improvementsto the Bounds on Ternary Linear Codes
Designs, Codes and Cryptography
The Structure of 1-Generator Quasi-Twisted Codes and New Linear Codes
Designs, Codes and Cryptography
Improved Bounds for Ternary Linear Codes of Dimension 8 Using Tabu Search
Journal of Heuristics
IWOCA'11 Proceedings of the 22nd international conference on Combinatorial Algorithms
Quasi-cyclic codes over F13 and enumeration of defining polynomials
Journal of Discrete Algorithms
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Previous results have shown that the class of quasi-cyclic (QC) codes contains many good codes. In this paper, new rate (m - 1)/pm QC codes over GF(3) and GF(4) are presented. These codes have been constructed using integer linear programming and a heuristic combinatorial optimization algorithm based on a greedy local search. Most of these codes attain the maximum possible minimum distance for any linear code with the same parameters, i.e., they are optimal, and 58 improve the maximum known distances. The generator polynomials for these 58 codes are tabulated, and the minimum distances of rate (m - 1)/pm QC codes are given.