HECKE OPERATORS AND THE WEIGHT DISTRIBUTIONS OF CERTAIN CODES

被引:49
作者
SCHOOF, R [1 ]
VANDERVLUGT, M [1 ]
机构
[1] LEIDEN UNIV,SUBFAC WISKUNDE & INFORMAT,2300 RA LEIDEN,NETHERLANDS
关键词
D O I
10.1016/0097-3165(91)90016-A
中图分类号
O1 [数学];
学科分类号
0701 ; 070101 ;
摘要
We obtain the weight distributions of the Melas and Zetterberg codes and the double error correcting quadratic Goppa codes in terms of the traces of certain Hecke operators acting on spaces of cusp forms for the congruence subgroup Γ1(4) ⊂ SL2(Z). The result is obtained from a description of the weight distributions of the dual codes in terms of class numbers of binary quadratic forms and a combination of the Eichler Selberg Trace Formula with the MacWilliams identities. © 1991.
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页码:163 / 186
页数:24
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