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arXiv · 2411.05047

Functional Delsarte-Goethals-Seidel-Kabatianskii-Levenshtein-Pfender Bound

K. Mahesh Krishna
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Abstract

Pfender \textit{[J. Combin. Theory Ser. A, 2007]} provided a one-line proof for a variant of the Delsarte-Goethals-Seidel-Kabatianskii-Levenshtein upper bound for spherical codes, which offers an upper bound for the celebrated (Newton-Gregory) kissing number problem. Motivated by this proof, we introduce the notion of codes in pointed metric spaces (in particular on Banach spaces) and derive a nonlinear (functional) Delsarte-Goethals-Seidel-Kabatianskii-Levenshtein-Pfender upper bound for spherical codes. We also introduce nonlinear (functional) Kissing Number Problem.

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BibTeXRIS

K. Mahesh Krishna. 2024-11-07. Functional Delsarte-Goethals-Seidel-Kabatianskii-Levenshtein-Pfender Bound. https://arxiv.org/abs/2411.05047

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