Skew Constacyclic and LCD Codes over F_q+v F_q
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The aim of this paper is to give conditions for the equivalency between skew constacyclic codes, skew cyclic codes and skew negacyclic codes defined over semi-local rings. Also, we provide construction and an enumeration of Euclidean and Hermitian skew LCD cyclic codes over F_p^t+ v F_p^t . Several optimal LCD codes are obtained from Gray images of LCD skew codes over semi-local rings.
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