초록 close

In cite{8}, we showed that any ideal of mathbbZ_4[X]/(X^{2^n}-1) is generated by at most two polynomials of thestandard forms. The purpose of this paper is to find a descriptionof the cyclic codes of even length over mathbb Z_4 namely theideals of mathbb Z_4[X]/(X^l-1), where l is an even integer.