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- Title
ON EXTENDABILITY OF ADDITIVE CODE ISOMETRIES.
- Authors
DYSHKO, SERHII
- Abstract
For linear codes, the MacWilliams Extension Theorem states that each linear isometry of a linear code extends to a linear isometry of the whole space. But, in general, this is not the situation for nonlinear codes. In this paper codes over a vector space alphabet are considered. It is proved that if the length of such code is less than some threshold value, then an analogue of the MacWilliams Extension Theorem holds. One family of unextendable code isometries for the threshold value of code length is described.
- Subjects
ISOMETRICS (Mathematics); ADDITIVE functions; NONLINEAR codes; SINGLETON bounds; HAMMING weight
- Publication
Advances in Mathematics of Communications, 2016, Vol 10, Issue 1, p45
- ISSN
1930-5346
- Publication type
Article
- DOI
10.3934/amc.2016.10.45