Self-orthogonal codes from the strongly regular graphs on up to 40 vertices (CROSBI ID 244417)
Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija
Podaci o odgovornosti
Crnković, Dean ; Maksimović, Marija ; Rodrigues, Bernardo Gabriel ; Rukavina, Sanja
engleski
Self-orthogonal codes from the strongly regular graphs on up to 40 vertices
This paper outlines a method for constructing self-orthogonal codes from orbit matrices of strongly regular graphs admitting an automorphism group G which acts with orbits of length w, where w divides |G|. We apply this method to construct self-orthogonal codes from orbit matrices of the strongly regular graphs with at most 40 vertices. In particular, we construct codes from adjacency or orbit matrices of graphs with parameters (36, 15, 6, 6), (36, 14, 4, 6), (35, 16, 6, 8) and their complements, and from the graphs with parameters (40, 12, 2, 4) and their complements. That completes the classification of self-orthogonal codes spanned by the adjacency matrices or orbit matrices of the strongly regular graphs with at most 40 vertices. Furthermore, we construct ternary codes of 2-(27, 9, 4) designs obtained as residual designs of the symmetric (40, 13, 4) designs (complementary designs of the symmetric(40, 27, 18) designs), and their ternary hulls. Some of the obtained codes are optimal, and some are best known for the given length and dimension.
Strongly regular graph ; block design ; code ; orbit matrix
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Podaci o izdanju
10 (3)
2016.
555-582
objavljeno
1930-5346
1930-5338
10.3934/amc.2016026