Relative two-weight Z2 Z4-additive Codes
Abstract
In this paper, we study a relative two-weight Z2 Z4-additive codes. It is shown that the Gray image of a two-distance Z2 Z4-additive code is a binary two-distance code and that the Gray image of a relative two-weight Z2 Z4-additive code, with nontrivial binary part, is a linear binary relative two-weight code. The structure of relative two-weight Z2 Z4-additive codes are described. Finally, we discussed permutation automorphism group of a Z2 Z4-additive codes.
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