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Koichi Betsumiya

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2008
14EEKoichi Betsumiya: Minimum Lee weights of Type II codes over I. Discrete Mathematics 308(14): 3018-3022 (2008)
2005
13 Koichi Betsumiya, YoungJu Choie: Ozeki Polynomials and Jacobi Forms. Ars Comb. 77: (2005)
12EEKoichi Betsumiya, YoungJu Choie: Codes over F4, Jacobi forms and Hilbert-Siegel modular forms over Q(sqrt(5)). Eur. J. Comb. 26(5): 629-650 (2005)
2004
11EEKoichi Betsumiya, San Ling, Fidel R. Nemenzo: Type II codes over F2m+uF2m. Discrete Mathematics 275(1-3): 43-65 (2004)
10EEKoichi Betsumiya, YoungJu Choie: Jacobi forms over totally real fields and type II codes over Galois rings GR(2m, f). Eur. J. Comb. 25(4): 475-486 (2004)
9 Koichi Betsumiya, Masaaki Harada: Optimal self-dual codes over F2*F2 with respect to the Hamming weight. IEEE Transactions on Information Theory 50(2): 356-358 (2004)
2003
8EEKoichi Betsumiya, Masaaki Harada: Formally Self-Dual Codes Related to Type II Codes. Appl. Algebra Eng. Commun. Comput. 14(2): 81-88 (2003)
7 Koichi Betsumiya, T. Aaron Gulliver, Masaaki Harada: Extremal Self-Dual Codes over F2 × F2. Des. Codes Cryptography 28(2): 171-186 (2003)
6EEKoichi Betsumiya, Stelios Georgiou, T. Aaron Gulliver, Masaaki Harada, Christos Koukouvinos: On self-dual codes over some prime fields. Discrete Mathematics 262(1-3): 37-58 (2003)
2001
5EEKoichi Betsumiya, Masaaki Harada, Akihiro Munemasa: Type II Codes over F2r. AAECC 2001: 102-111
4 Koichi Betsumiya, Masaaki Harada: Binary Optimal Odd Formally Self-Dual Codes. Des. Codes Cryptography 23(1): 11-22 (2001)
3 Koichi Betsumiya, Masaaki Harada: Classification of Formally Self-Dual Even Codes of Lengths up to 16. Des. Codes Cryptography 23(3): 325-332 (2001)
2 Koichi Betsumiya, T. Aaron Gulliver, Masaaki Harada, Akihiro Munemasa: On type II codes over F4. IEEE Transactions on Information Theory 47(6): 2242-2248 (2001)
1999
1 Koichi Betsumiya, T. Aaron Gulliver, Masaaki Harada: Binary Optimal Linear Rate 1/2 Codes. AAECC 1999: 462-471

Coauthor Index

1YoungJu Choie [10] [12] [13]
2Stelios Georgiou [6]
3T. Aaron Gulliver [1] [2] [6] [7]
4Masaaki Harada [1] [2] [3] [4] [5] [6] [7] [8] [9]
5Christos Koukouvinos [6]
6San Ling [11]
7Akihiro Munemasa [2] [5]
8Fidel R. Nemenzo [11]

Colors in the list of coauthors

Copyright © Sun May 17 03:24:02 2009 by Michael Ley (ley@uni-trier.de)