BCH and LCD cyclic codes of length $n=\lambda(q^m+1)$ over finite fields

arXiv:2603.07688v2 Announce Type: replace Abstract: BCH and LCD cyclic codes of length $n=\lambda(q^m+1)$ with $\lambda\mid q-1$ are studied. A complete characterization of $q$-cyclotomic cosets modulo $n$ is given: Theorem \ref{th4} provides a necessary and sufficient conditi...

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