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Type II codes over Z4

โœ Scribed by Bonnecaze, A.; Sole, P.; Bachoc, C.; Mourrain, B.


Book ID
114540630
Publisher
IEEE
Year
1997
Tongue
English
Weight
532 KB
Volume
43
Category
Article
ISSN
0018-9448

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Shadow Codes over Z4
โœ Steven T. Dougherty; Masaaki Harada; Patrick Solรฉ ๐Ÿ“‚ Article ๐Ÿ“… 2001 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 371 KB

The notion of a shadow of a self-dual binary code is generalized to self-dual codes over 9 . A Gleason formula for the symmetrized weight enumerator of the shadow of a Type I code is derived. Congruence properties of the weights follow; this yields constructions of self-dual codes of larger lengths