Constructions of optimal LCD codes over large finite fields

Published 13 Apr 2017 in cs.IT and math.IT | (1704.04083v1)

Abstract: In this paper, we prove existence of optimal complementary dual codes (LCD codes) over large finite fields. We also give methods to generate orthogonal matrices over finite fields and then apply them to construct LCD codes. Construction methods include random sampling in the orthogonal group, code extension, matrix product codes and projection over a self-dual basis.

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