MacWilliams identities for the generalized rank weights

Published 11 Feb 2026 in cs.IT | (2602.10929v1)

Abstract: We study the generalized rank weight distribution of a linear code. First, we provide a MacWilliams-type identity which relates the distributions of a code and its dual. Then, we give a formula for the enumerator polynomial. Finally, we explicitly compute the distribution of an MRD code.

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Julien Molina

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