engleski

Codes from orbit matrices of symmetric block designs

Harada and Tonchev recently presented a construction of self-orthogonal codes from orbit matrices of symmetric designs with fixed-point-free automorphisms. Using this method we construct self-orthogonal codes from orbit matrices of some symmetric designs of Menon type. Further, we describe a construction of self-orthogonal codes from orbit matrices of symmetric designs admitting certain automorphisms with fixed points (and blocks).

symmetric design; code; orbit matrix

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