Title :
Characterization of quaternary extremal codes of lengths 18 and 20
Author :
Huffman, W. Cary
Author_Institution :
Dept. of Math. Sci., Loyola Univ., Chicago, IL, USA
fDate :
9/1/1997 12:00:00 AM
Abstract :
We prove that, up to equivalence, there is a unique extremal quaternary Hermitian self-dual code of length 18, and that there are two inequivalent extremal quaternary Hermitian self-dual codes of length 20
Keywords :
Galois fields; dual codes; linear codes; matrix algebra; Galois field; code length; equivalent extremal self dual codes; extremal quaternary Hermitian self dual code; inequivalent extremal self dual codes; linear quaternary code; matrix; quaternary extremal codes; Communication system control;
Journal_Title :
Information Theory, IEEE Transactions on
