On the algebraic structure of quasi group codes

12/19/2019

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by   Martino Borello, et al.

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In this note, an intrinsic description of some families of linear codes with symmetries is given, showing that they can be described more generally as quasi group codes, that is as linear codes with a free group of permutation automorphisms. An algebraic description, including the concatenated structure, of such codes is presented. Finally, self-duality of quasi group codes is investigated.