Browsing by Author "Pramod Kumar Kewat"
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PublicationArticle Constacyclic codes of length (pr, ps) over mixed alphabets(Springer Science and Business Media Deutschland GmbH, 2021) Hai Q. Dinh; Tushar Bag; Pramod Kumar Kewat; Sachin Pathak; Ashish K. Upadhyay; Warattaya ChinnakumFor any prime p and positive integer m, let R be the finite commutative ring Fpm+uFpm+vFpm+uvFpm, whereu2= 0 , v2= 0 and uv= vu. Let λ= λ1+ uλ2+ vλ3+ uvλ4 be a unit of R, where λ1,λ2,λ3,λ4∈Fpm and λ1≠ 0. We know that λ-constacyclic codes of length ps over R are exactly ideals of the ring R[x]⟨xps-λ⟩. For all possible values of λ, we study λ-constacyclic codes of length ps over R. We also extend structures of codes from single alphabet to mixed alphabet, and determine separable constacyclic codes of length (pr, ps) over FpmR. © 2021, Korean Society for Informatics and Computational Applied Mathematics.