<正>This paper introduces a Gray map from(Fp + uFp)n to Fp2n,and describes the relationship between codes over Fp + vFp and their Gray images.The authors prove that every cyclic code of arbitrary length n over Fp + vFp is principal,and determine its generator polynomial as well as the number of cyclic codes.Moreover,the authors obtain many best-known p-ary quasic-cyclic codes in terms of their parameters via the Gray map.
This paper introduces a Gray map from (Fp + vFp)n to F2pn, and describes the relationship between codes over Fp + vFp and their Gray images. The authors prove that every cyclic code of arbitrary length n over Fp + vFp is principal, and determine its generator polynomial as well as the number of cyclic codes. Moreover, the authors obtain many best-known p-ary quasic-cyclic codes in terms of their parameters via the Gray map.