科研之友
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摘要
In this paper, cyclic codes over F-q2m of lengths 2(q(2m) - 1) and q(2m)-1/r(q-1) are considered, where r vertical bar (q + 1) and r not equal q + 1. Based on the Hermitian construction, the q(2)-ary images of these cyclic codes are employed to construct quantum codes. The quantum codes obtained by our technique have higher code rate than the currently known ones.
