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On the weight enumerators of duadic and quadratic residue codes

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3 Author(s)
Gaborit, P. ; Dept. of Math., Limoges Univ., France ; Nedeloaia, C.-S. ; Wassermann, A.

In this correspondence, we compute the weight enumerators of various quadratic residue codes over F2 and F3, together with certain codes of related families like the duadic and the quadratic double circulant codes. We use a parallel algorithm to find the number of codewords of a given (not too high) weight, from which we deduce by usual classical methods for self-dual and formally self-dual codes over F2 and F3 their associated, previously unknown, weight enumerators. We compute weight enumerators for lengths as high as 152 for binary codes and 96 for ternary codes.

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Information Theory, IEEE Transactions on  (Volume:51 ,  Issue: 1 )