論文 - 別宮 耕一
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Ozeki polynomials and Jacobi forms
K Betsumiya, Y Choie
ARS COMBINATORIA 77 233 - 244 2005年10月
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Codes over F4, Jacobi forms and Hilbert-Siegel modular forms over Q(√5) （共著）
Koichi BETSUMIYA, YoungJu CHOIE
European Journal of Combinatorics 26 ( 5 ) 629 - 650 2005年07月
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Jacobi forms over totally real fields and type II codes over Galois rings GR(2(m), f)
K Betsumiya, Y Choie
EUROPEAN JOURNAL OF COMBINATORICS 25 ( 4 ) 475 - 486 2004年05月
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Optimal self-dual codes over F2×F2 with respect to the Hamming weight （共著）
Koichi BETSUMIYA, Masaaki HARADA
IEEE Transactions on Information Theory 50 ( 2 ) 356 - 358 2004年02月
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Type II codes over F2m+uF2m （共著）
Koichi BETSUMIYA, San LING, Fidel R. NEMENZO
Discrete Mathematics 275 ( 1-3 ) 43 - 65 2004年01月
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Formally self-dual codes related to Type II codes
K Betsumiya, M Harada
APPLICABLE ALGEBRA IN ENGINEERING COMMUNICATION AND COMPUTING 14 ( 2 ) 81 - 88 2003年08月
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Extremal Self-Dual Codes over F2 × F2.
Koichi Betsumiya, T. Aaron Gulliver, Masaaki Harada
Des. Codes Cryptogr. 28 ( 2 ) 171 - 186 2003年03月
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On self-dual codes over some prime fields （共著）
Koichi Betsumiya, Stelios Georgiou, T. Aaron Gulliver, Masaaki, Harada, Christos Koukouvinos
Discrete Mathematics 262 ( 1-3 ) 37 - 58 2003年02月
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On self-dual codes over some prime fields
K Betsumiya, S Georgiou, TA Gullivere, M Harada, C Koukouvinos
DISCRETE MATHEMATICS 262 ( 1-3 ) 37 - 58 2003年02月
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Type II codes over F2r （共著）
Koichi BETSUMIYA, Masaaki HARADA, Akihiro MUNEMASA
Springer-Verlag Lecture Notes in Computer Science 227 102 - 111 2001年11月
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On Type II codes over F4 （共著）
Koichi BETSUMIYA, T. Aaron GULLIVER, Masaaki HARADA, Akihiro MUNEMASA
IEEE Transactions on Information Theory 47 ( 6 ) 2242 - 2248 2001年09月
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On type II codes over F-4
K Betsumiya, TA Gulliver, M Harada, A Munemasa
IEEE TRANSACTIONS ON INFORMATION THEORY 47 ( 6 ) 2242 - 2248 2001年09月
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Classification of Type 2 code GF(4) of some small lengths
別宮 耕一
数理解析研究所講究録 1228 43 - 50 2001年09月
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Classification of formally self-dual even codes of lengths up to 16 （共著）
Koichi BETSUMIYA, Masaaki HARADA
Designs, Codes and Cryptography 23 ( 3 ) 235 - 332 2001年08月
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Binary optimal odd formally self-dual codes
K Betsumiya, M Harada
DESIGNS CODES AND CRYPTOGRAPHY 23 ( 1 ) 11 - 21 2001年05月
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Binary optimal odd formally self-dual codes （共著）
Koichi BETSUMIYA, Masaaki HARADA
Designs, Codes and Cryptography 23 ( 1 ) 11 - 21 2001年03月
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Classification of formally self-dual even codes of lengths up to 16
K Betsumiya, M Harada
DESIGNS CODES AND CRYPTOGRAPHY 23 ( 3 ) 325 - 332 2001年
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Type II Codes over F2r.
Koichi Betsumiya, Masaaki Harada, Akihiro Munemasa
Applied Algebra, Algebraic Algorithms and Error-Correcting Codes, 14th International Symposium, AAECC-14, Melbourne, Australia November 26-30, 2001, Proceedings 102 - 111 2001年
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On type II codes over F-4
K Betsumiya, TA Gulliver, M Harada, A Munemasa
2000 IEEE INTERNATIONAL SYMPOSIUM ON INFORMATION THEORY, PROCEEDINGS 47 ( 6 ) 141 - 141 2000年
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Binary optimal linear rate 1/2 codes (共著)
Koichi BETSUMIYA, Masaaki HARADA
Springer-Verlag Lecture Notes in Computer Science 1719 462 - 471 1999年11月