Invariants of trace forms over finite fields of characteristic 2

被引:7
作者
Fitzgerald, Robert W. [1 ]
机构
[1] So Illinois Univ, Dept Math, Carbondale, IL 62901 USA
关键词
Quadratic forms; Trace; Finite fields; QUADRATIC-FORMS; CODES;
D O I
10.1016/j.ffa.2008.12.005
中图分类号
O29 [应用数学];
学科分类号
070104 ;
摘要
Let K be a finite extension of F-2. We compute the invariants of the quadratic form Q(x) = tr(K/F2) (x(x(2a) + x(2b))) and so determine the number of zeros in K. This is applied to finding the cross-correlation of certain binary sequences. (C) 2008 Elsevier Inc. All rights reserved.
引用
收藏
页码:261 / 275
页数:15
相关论文
共 8 条
[1]  
[Anonymous], 1997, ENCY MATH APPL
[2]  
Berlekamp E. R., 2015, ALGEBRAIC CODING THE
[3]  
DELSARTE P, 1970, 1970 P 2 CHAP HILL C, P100
[4]  
Ding CS, 2003, LECT NOTES COMPUT SC, V2643, P24
[5]   Pencils of quadratic forms over finite fields [J].
Fitzgerald, RW ;
Yucas, JL .
DISCRETE MATHEMATICS, 2004, 283 (1-3) :71-79
[6]   A new family of gold-like sequences [J].
Khoo, K ;
Gong, G ;
Stinson, DR .
ISIT: 2002 IEEE INTERNATIONAL SYMPOSIUM ON INFORMATION THEORY, PROCEEDINGS, 2002, :181-181
[7]  
Klapper A., 1993, Designs, Codes and Cryptography, V3, P347, DOI 10.1007/BF01418531
[8]   Quadratic forms, generalized hamming weights of codes and curves with many points [J].
vanderGeer, G ;
vanderVlugt, M .
JOURNAL OF NUMBER THEORY, 1996, 59 (01) :20-36