New Lower Bounds on the Generalized Hamming Weights of AG Codes

Published 29 Jun 2017 in cs.IT and math.IT | (1706.09770v1)

Abstract: A sharp upper bound for the maximum integer not belonging to an ideal of a numerical semigroup is given and the ideals attaining this bound are characterized. Then the result is used, through the so-called Feng-Rao numbers, to bound the generalized Hamming weights of algebraic-geometry codes. This is further developed for Hermitian codes and the codes on one of the Garcia-Stichtenoth towers, as well as for some more general families.

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