Abstract:Polyadic constacyclic codes over finite fields have been of interest due to their nice algebraic structures, good parameters, and wide applications. Recently, the study of Type-I [Formula: see text]-adic constacyclic codes over finite fields has been established. In this paper, a family of Type-II [Formula: see text]-adic constacyclic codes is investigated. The existence of such codes is determined using the length of orbits in a suitable group action. A necessary condition and a sufficient condition for a pos… Show more
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