MacWilliams type identities for some new $m$-spotty weight enumerators over finite commutative Frobenius rings

Past few years have seen an extensive use of RAM chips with wide I/O data (e.g. 16, 32, 64 bits) in computer memory systems. These chips are highly vulnerable to a special type of byte error, called an m-spotty byte error, which can be effectively detected or corrected using byte errorcontrol codes. The MacWilliams identity provides the relationship between the weight distribution of a code and that of its dual. This paper introduces m-spotty Hamming weight enumerator, joint m-spotty Hamming weight enumerator and split m-spotty Hamming weight enumerator for byte error-control codes over finite commutative Frobenius rings as well as m-spotty Lee weight enumerator over an infinite family of rings. In addition, MacWilliams type identities are also derived for these enumerators. keywords: Byte error-control codes; m-spotty byte error; MacWilliams identity MSC(2000) 94B05, 94B15