Some restrictions on weight enumerators of singly even self-dual codes II

June 12, 2017 ยท The Ethereal ยท ๐Ÿ› arXiv.org

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Authors Masaaki Harada, Akihiro Munemasa arXiv ID 1706.03429 Category math.CO: Combinatorics Cross-listed cs.IT Citations 21 Venue arXiv.org Last Checked 2 months ago
Abstract
In this note, we give some restrictions on the number of vectors of weight $d/2+1$ in the shadow of a singly even self-dual $[n,n/2,d]$ code. This eliminates some of the possible weight enumerators of singly even self-dual $[n,n/2,d]$ codes for $(n,d)=(62,12)$, $(72,14)$, $(82,16)$, $(90,16)$ and $(100,18)$.
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