Betsumiya Koichi 別宮耕一

… Alternative Names

BETSUMIYA Koichi 別宮耕一

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Researcher Number	60364684
Other IDs
Affiliation (Current)	2025: 弘前大学, 理工学研究科, 教授
Affiliation (based on the past Project Information) *help	2025: 弘前大学, 理工学研究科, 教授 2011 – 2019: 弘前大学, 理工学研究科, 准教授 2009 – 2010: Jobu University, 大学院・理工学研究科, 准教授 2008: Jobu University, ビジネス情報学部, 教授 2008: 弘前大学, 理工学部, 准教授 … More 2006 – 2007: 上武大学, ビジネス情報学部, 准教授 2005 – 2006: 上武大学, ビジネス情報学部, 助教授 2004 – 2005: 上武大学, ビジネス情報学部, 講師 Less
Review Section/Research Field	Principal Investigator Algebra / Basic Section 11010:Algebra-related Except Principal Investigator General mathematics (including Probability theory/Statistical mathematics)
Keywords	Principal Investigator 群論 / 代数的符号理論 / 符号理論 / 代数的組合せ論 / 頂点作用素代数 / 自己双対符号 / 組合せ構造 / 散在型単純群 / 極大立方重偶符号 / グラフ理論 … More / 散在型有限単純群 / 組合せデザイン / 離散幾何 / 最小リー重み / トレース直交基底 / ヒルベルト-ジーゲル形式 / ヤコビ形式 / ガロア環 / 第二型符号 / 保型型式 / 四元体 … More Except Principal Investigator ブルガリア : オランダ / 国際情報交換 / 組合せデザイン / 格子 / 有限体 / 自己双対符号 / 代数的符号理論 / グラフ理論 / 置換群論 / 組合せデザイン理論 / 離散幾何 / 符号理論 / 代数的組合せ論 / 応用数学 Less

散在型有限単純群の対称性をもつ組み合わせ構造の研究Principal Investigator
- Principal Investigator
  
  別宮耕一
- Project Period (FY)
  2025 – 2027
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Review Section
  
  Basic Section 11010:Algebra-related
- Research Institution
  Hirosaki University
Research on families of maximal triply even codes and related mathematical structuresPrincipal Investigator
- Principal Investigator
  
  Betsumiya Koichi
- Project Period (FY)
  2017 – 2019
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Algebra
- Research Institution
  Hirosaki University
Research on triply even codes and their related mathematical structuresPrincipal Investigator
- Principal Investigator
  
  Betsumiya Koichi
- Project Period (FY)
  2014 – 2016
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Algebra
- Research Institution
  Hirosaki University
Research on triply even codesPrincipal Investigator
- Principal Investigator
  
  BETSUMIYA Koichi
- Project Period (FY)
  2011 – 2013
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Algebra
- Research Institution
  Hirosaki University
Research on algebraic coding theory and its applications for vertex operator algebrasPrincipal Investigator
- Principal Investigator
  
  BETSUMIYA Koichi
- Project Period (FY)
  2007 – 2010
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Algebra
- Research Institution
  Jobu University
Applications of algebraic methods in coding theory to combinatorial designs and discrete geometry
- Principal Investigator
  
  MUNEMASA Akihiro
- Project Period (FY)
  2005 – 2008
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  General mathematics (including Probability theory/Statistical mathematics)
- Research Institution
  Tohoku University
代数的符号理論の研究と保型形式論への応用Principal Investigator
- Principal Investigator
  
  別宮耕一
- Project Period (FY)
  2004 – 2006
- Research Category
  
  Grant-in-Aid for Young Scientists (B)
- Research Field
  
  Algebra
- Research Institution
  Jobu University

[Journal Article] tame 自己同型群について2020
- Author(s)
  別宮耕一
- Journal Title
  
  第31回有限群論草津セミナー報告集
  
  Volume: 31 Pages: 1-3
- Data Source
  KAKENHI-PROJECT-17K05153
[Journal Article] 拡張ハミング符号と正六百胞体との対応について2019
- Author(s)
  別宮耕一
- Journal Title
  
  第30回有限群論草津セミナー報告集
  
  Volume: 30 Pages: 37-42
- Data Source
  KAKENHI-PROJECT-17K05153
[Journal Article] Triply even code の極大性判定2018
- Author(s)
  別宮耕一
- Journal Title
  
  第29回有限群論草津セミナー報告集
  
  Volume: - Pages: 14-17
- Data Source
  KAKENHI-PROJECT-17K05153
[Journal Article] Triply even codes constructed from distance regular graphs2016
- Author(s)
  別宮耕一
- Journal Title
  
  京都大学数理解析研究所講究録
  
  Volume: 2003 Pages: 66-73
- Open Access
- Data Source
  KAKENHI-PROJECT-26400002
[Journal Article] Classification of doubly even self-dual codes of length 402013
- Author(s)
  別宮耕一
- Journal Title
  
  第29回代数的組合せ論シンポジウム報告集
  
  Pages: 10-16
- Data Source
  KAKENHI-PROJECT-23540002
[Journal Article] Triply even codes について2013
- Author(s)
  別宮耕一
- Journal Title
  
  数理解析研究所講究録
  
  Volume: 1844 Pages: 139-145
- Data Source
  KAKENHI-PROJECT-23540002
[Journal Article] Upper bounds on cyclotomic numbers2013
- Author(s)
  Koichi Betsumiya, Mitsugu Hirasaka, Takao Komatsu, Akihiro Munemasa
- Journal Title
  
  Linear Algebra and its Applications
  
  Volume: 438 Issue: 1 Pages: 111-120
- DOI
  10.1016/j.laa.2012.06.045
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23540002
[Journal Article] A Complete Classification of Doubly Even Self-dual Codes of Length 402012
- Author(s)
  Koichi Betsumiya, Masaaki Harada, Akihiro Munemasa
- Journal Title
  
  The Electronic Journal of Combinatorics
  
  Volume: 19 Pages: 18-18
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23540002
[Journal Article] A complete classification of doubly even self-dual codes of length 402012
- Author(s)
  Koichi Betsumiya, Masaaki Harada, Akihiro Munemasa
- Journal Title
  
  The Electronic Journal of Combinatorics
  
  Volume: 19 Pages: 18-18
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23540002
[Journal Article] On triply even binary codes2012
- Author(s)
  Koichi Betsumiya, Akihiro Munemasa
- Journal Title
  
  Journal of the London Mathematical Society
  
  Volume: 86 Issue: 1 Pages: 1-16
- DOI
  10.1112/jlms/jdr054
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23540002
[Journal Article] Invariant ring of Clifford-Weil group, and Jacobi forms over totally real field2011
- Author(s)
  Koichi Betsumiya, YoungJu Choie
- Journal Title
  
  Séminaires et Congrès
  
  Volume: 21 Pages: 1-16
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23540002
[Journal Article] Hadamard matrices of order 32 and extremal ternary self-dual codes2011
- Author(s)
  別宮耕一・原田昌晃・木村浩
- Journal Title
  
  Designs, Codes and Cryptography 58
  
  Pages: 203-214
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19540048
[Journal Article] Hadamard matrices of order 32 and extremal ternary self-dual codes2011
- Author(s)
  Koichi Betsumiya, Masaaki Harada, Hiroshi Kimura
- Journal Title
  
  Designs, Codes and Cryptography
  
  Volume: 59 Pages: 203-214
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19540048
[Journal Article] Hadamard matrices of order 32 and extremal ternary self-dual codes2011
- Author(s)
  Koichi Betsumiya, Masaaki Harada, Hiroshi Kimura
- Journal Title
  
  Designs, Codes and Cryptography
  
  Volume: 58 Pages: 203-214
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23540002
[Journal Article] Invariant Ring of Clifford-Weil Group, and Jacobi Forms over Totally Real Field2009
- Author(s)
  Koichi Betsumiya, YoungJu Choie
- Journal Title
  
  Seminaires et Congres 21
  
  Pages: 1-16
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19540048
[Journal Article] Mass Formula for Even Codes over Z_82009
- Author(s)
  Koichi Betsumiya, Rowena Alma L.Betty, Akihiro Munemasa
- Journal Title
  
  Cryptography and Coding, Springer LNCS 5921
  
  Pages: 65-77
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19540048
[Journal Article] Mass formula for even codes over Z_8、Cryptography and Coding2009
- Author(s)
  別宮耕一・Rowana Alma L.Betty・宗政昭弘
- Journal Title
  
  Springer LNCS 5921
  
  Pages: 65-77
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19540048
[Journal Article] Mass formula for even codes over Z_82009
- Author(s)
  別宮耕一・Rowana Alma L. Betty・宗政昭弘
- Journal Title
  
  Cryptography and Coding, Springer LNCS 5921
  
  Pages: 65-77
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19540048
[Journal Article] Minimum Lee weights of Type II code over F_2^r2008
- Author(s)
  別宮耕一
- Journal Title
  
  Discrete Mathematics 308
  
  Pages: 3018-3022
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19540048
[Journal Article] Minimum Lee weights of Type II codes over F^r_22008
- Author(s)
  Koichi BETSUMIYA
- Journal Title
  
  Discrete Mathematics 308
  
  Pages: 3018-3022
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19540048
[Journal Article] Codes over F_4, Jacobi forms and Hilbert-Siegel modular forms over Q(√5)2005
- Author(s)
  Koichi BETSUMIYA, YoungJu CHOIE
- Journal Title
  
  European Journal of Combinatorics 26
  
  Pages: 629-650
- Data Source
  KAKENHI-PROJECT-16740023
[Journal Article] Ozeki polynomials and Jacobi forms2005
- Author(s)
  Koichi BETSUMIYA, YoungJu CHOIE
- Journal Title
  
  Ars Combinatoria 77
  
  Pages: 233-244
- Data Source
  KAKENHI-PROJECT-16740023
[Journal Article] Ozeki polynomials and Jacobi forms2005
- Author(s)
  K.Betsumiya, Y.Choie
- Journal Title
  
  Ars Combinatoria 77
  
  Pages: 233-244
- Data Source
  KAKENHI-PROJECT-17340020
[Journal Article] Hadamard matrices of order 32 and extremal ternary self-dual codes
- Author(s)
  別宮耕一・原田昌晃・木村浩
- Journal Title
  
  Designs, Codes and Cryptography (印刷中)
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19540048
[Presentation] tame 自己同型群について2019
- Author(s)
  別宮耕一
- Organizer
  第31回有限群論草津セミナー
- Data Source
  KAKENHI-PROJECT-17K05153
[Presentation] 二次体の整数環上の格子について2019
- Author(s)
  別宮耕一
- Organizer
  千葉大群論特別セミナー
- Data Source
  KAKENHI-PROJECT-17K05153
[Presentation] A Distribution of known maximal triply even codes2019
- Author(s)
  Koichi BETSUMIYA
- Organizer
  Workshop on Finite Groups, vertex algebras and algebraic combinatorics
- Data Source
  KAKENHI-PROJECT-17K05153
[Presentation] Maximal triply even code を構成する組合せ構造2019
- Author(s)
  別宮耕一
- Organizer
  Japanese Conference on Combinatorics and its Applications 2019
- Data Source
  KAKENHI-PROJECT-17K05153
[Presentation] H_4型コクセター群と3J_3の類似性2019
- Author(s)
  別宮耕一
- Organizer
  神戸学院大学群論特別セミナー
- Data Source
  KAKENHI-PROJECT-17K05153
[Presentation] On triply even codes2019
- Author(s)
  別宮耕一
- Organizer
  組合せ論的符号理論
- Data Source
  KAKENHI-PROJECT-17K05153
[Presentation] 拡張ハミング符号と正六百胞体との対応について2018
- Author(s)
  別宮耕一
- Organizer
  第30回有限群論草津セミナー
- Data Source
  KAKENHI-PROJECT-17K05153
[Presentation] On some series of maximal triply even codes2018
- Author(s)
  Koichi Betsumiya
- Organizer
  Hadamard Matrices and Their Applications
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17K05153
[Presentation] 正六百胞体格子と E_8 格子の対応について2018
- Author(s)
  別宮耕一
- Organizer
  福井表現論小研究集会
- Data Source
  KAKENHI-PROJECT-17K05153
[Presentation] Triply even code の極大性判定2017
- Author(s)
  別宮耕一
- Organizer
  第29回有限群論草津セミナー
- Data Source
  KAKENHI-PROJECT-17K05153
[Presentation] Triply even codes constructed from distance regular graphs2016
- Author(s)
  別宮耕一
- Organizer
  RIMS研究集会有限群とその表現, 頂点作用素代数, 代数的組合せ論の研究
- Place of Presentation
  京都大学数理解析研究所
- Year and Date
  2016-01-05
- Invited
- Data Source
  KAKENHI-PROJECT-26400002
[Presentation] Triply even codes constructed from distance regular graphs2016
- Author(s)
  別宮耕一
- Organizer
  代数的組合せ論とその周辺
- Place of Presentation
  東北大学大学院情報科学研究科
- Year and Date
  2016-03-08
- Invited
- Data Source
  KAKENHI-PROJECT-26400002
[Presentation] Triply even codes related to simple groups2016
- Author(s)
  Koichi Betsumiya
- Organizer
  Workshop on Finite Groups, VOA, and algebraic combinatorics
- Place of Presentation
  Foguang University
- Year and Date
  2016-03-22
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-26400002
[Presentation] Maximal triply even codes constructed from finite geometries2016
- Author(s)
  別宮耕一
- Organizer
  研究集会「実験計画法と符号および関連する組合せ構造」
- Place of Presentation
  秋保リゾートホテルクレセント（宮城県仙台市）
- Year and Date
  2016-11-28
- Invited
- Data Source
  KAKENHI-PROJECT-26400002
[Presentation] 立方重偶符号の自己同型群に現れる単純群2015
- Author(s)
  別宮耕一
- Organizer
  第27回有限群論草津セミナー
- Place of Presentation
  草津セミナーハウス
- Year and Date
  2015-08-02
- Data Source
  KAKENHI-PROJECT-26400002
[Presentation] 立方重偶符号について2015
- Author(s)
  別宮耕一
- Organizer
  日本数学会東北支部会
- Place of Presentation
  東北大学大学院情報科学研
- Year and Date
  2015-02-14
- Data Source
  KAKENHI-PROJECT-26400002
[Presentation] Maximal triply even codes constructed by combinatorial designs2014
- Author(s)
  別宮耕一
- Organizer
  Workshop on Hadamard Matrices and Combinatorial Designs
- Place of Presentation
  東北大学大学院情報科学研究科
- Year and Date
  2014-10-31
- Data Source
  KAKENHI-PROJECT-26400002
[Presentation] Hamming code の code words と E_8 simple roots の対応について2013
- Author(s)
  別宮耕一
- Organizer
  第25回有限群論草津セミナー
- Place of Presentation
  国立大学共同利用施設草津セミナーハウス
- Data Source
  KAKENHI-PROJECT-23540002
[Presentation] Hamming codes のcode words とE_8 simple roots の対応について2013
- Author(s)
  別宮耕一
- Organizer
  第25回有限群論草津セミナー
- Place of Presentation
  国立大学共同利用草津セミナーハウス
- Data Source
  KAKENHI-PROJECT-23540002
[Presentation] Classification of doubly even self-dual codes of length 402012
- Author(s)
  別宮耕一
- Organizer
  第29回代数的組み合せ論シンポジウム
- Place of Presentation
  弘前大学
- Year and Date
  2012-06-18
- Data Source
  KAKENHI-PROJECT-23540002
[Presentation] Triply even codes について2012
- Author(s)
  別宮耕一
- Organizer
  RIMS共同研究『デザイン、符号、グラフおよびその周辺』
- Place of Presentation
  京都大学数理解析研究所
- Data Source
  KAKENHI-PROJECT-23540002
[Presentation] Triply even code について, RIMS共同研究 : デザイン2012
- Author(s)
  別宮耕一
- Organizer
  符号グラフおよびその周辺
- Place of Presentation
  京都大学数理解析研究所
- Year and Date
  2012-07-19
- Data Source
  KAKENHI-PROJECT-23540002
[Presentation] Classification of doubly even self-dual codes of length 402012
- Author(s)
  別宮耕一
- Organizer
  第 29 回代数的組合せ論シンポジウム
- Place of Presentation
  弘前大学
- Data Source
  KAKENHI-PROJECT-23540002
[Presentation] 群を用いた二元体上の[48, 24, 12]自己双対符号の一意性証明2011
- Author(s)
  別宮耕一
- Organizer
  第23回有限群論草津セミナー
- Place of Presentation
  国立大学共同利用草津セミナーハウス
- Year and Date
  2011-07-31
- Data Source
  KAKENHI-PROJECT-23540002
[Presentation] Even self-dual codes over GF(4)2011
- Author(s)
  別宮耕一
- Organizer
  Workshop on Algebraic Combinatorics
- Place of Presentation
  上海交通大学（中国・上海市）
- Data Source
  KAKENHI-PROJECT-23540002
[Presentation] Even self-dual code over GF(4)2011
- Author(s)
  別宮耕一
- Organizer
  Workshop on Algebraic Combinatorics
- Place of Presentation
  上海交通大学
- Year and Date
  2011-09-16
- Data Source
  KAKENHI-PROJECT-23540002
[Presentation] 群を用いた二元体上の[48, 24, 12]自己双対符号の一意性証明2011
- Author(s)
  別宮耕一
- Organizer
  第23回有限群論草津セミナー
- Place of Presentation
  草津セミナーハウス（群馬県草津町）
- Data Source
  KAKENHI-PROJECT-23540002
[Presentation] Mass formula for even codes over Z_82010
- Author(s)
  別宮耕一
- Organizer
  The 8th Korea-Japan Workshop on Algebra and Combinatorics
- Place of Presentation
  浦項工科大学校(大韓民国)
- Year and Date
  2010-02-06
- Data Source
  KAKENHI-PROJECT-19540048
[Presentation] Mass formula for even codes over Z_82010
- Author(s)
  別宮耕一
- Organizer
  The 8^th Korea-Japan Workshop on Algebra and Combinatorics
- Place of Presentation
  浦項工科大学校 (大韓民国)
- Year and Date
  2010-02-06
- Data Source
  KAKENHI-PROJECT-19540048
[Presentation] Mass formula for even codes over Z_82009
- Author(s)
  別宮耕一
- Organizer
  Twelfth IMA International Conference on Cryptography and Coding
- Place of Presentation
  王立農業大学(英国)
- Year and Date
  2009-12-15
- Data Source
  KAKENHI-PROJECT-19540048
[Presentation] Codes over integer residue rings constructed by bases of Galois rings2009
- Author(s)
  Koichi BETSUMIYA
- Organizer
  Korea-Japan Workshop on Algebra and Combinatorics
- Place of Presentation
  釜山大学(大韓民国)
- Year and Date
  2009-02-09
- Data Source
  KAKENHI-PROJECT-19540048
[Presentation] Mass Formula for Even Codes over Z_82009
- Author(s)
  別宮耕一
- Organizer
  Twelfth IMA International Conference on Cryptography and Coding
- Place of Presentation
  王立農業大学(英国)
- Year and Date
  2009-12-15
- Data Source
  KAKENHI-PROJECT-19540048
[Presentation] Galois環の基底から構成される整数剰余環上の符号2009
- Author(s)
  別宮耕一
- Organizer
  第20回有限群論草津セミナー
- Place of Presentation
  草津セミナーハウス(群馬県草津町)
- Year and Date
  2009-08-02
- Data Source
  KAKENHI-PROJECT-19540048
[Presentation] Mass formula for even codes over Z_82009
- Author(s)
  別宮耕一
- Organizer
  Twelfth IMA International Conference on Cryptography and Coding
- Place of Presentation
  王立農業大学 (英国)
- Year and Date
  2009-12-15
- Data Source
  KAKENHI-PROJECT-19540048
[Presentation] Codes over integer residue rings constructed by bases of Galois rings2008
- Author(s)
  別宮耕一
- Organizer
  The 6th Korea-Japan Workshop on Algebra and Combinatorics
- Place of Presentation
  国立釜山大学校(大韓民国)
- Year and Date
  2008-02-09
- Data Source
  KAKENHI-PROJECT-19540048
[Presentation] Codes over integer residue rings constructed by bases of Galois rings2008
- Author(s)
  別宮耕一
- Organizer
  The 6^th Korea-Japan Workshop on Algebra and Combinatorics
- Place of Presentation
  国立釜山大学校 (大韓民国)
- Year and Date
  2008-02-09
- Data Source
  KAKENHI-PROJECT-19540048
[Presentation] Type II codes over Galois rings2007
- Author(s)
  別宮耕一
- Organizer
  代数的組合せ論シンポジウム
- Place of Presentation
  近畿大学
- Year and Date
  2007-06-28
- Data Source
  KAKENHI-PROJECT-19540048
[Presentation] 組合せ構造における純粋ナッシュ均衡性
- Author(s)
  別宮耕一
- Organizer
  第26回有限群論草津セミナー
- Place of Presentation
  草津セミナーハウス
- Year and Date
  2014-08-01 – 2014-08-04
- Data Source
  KAKENHI-PROJECT-26400002

1. MUNEMASA Akihiro (50219862)

# of Collaborated Projects: 2 results

# of Collaborated Products: 3 results
2. HARADA Masaaki (90292408)

# of Collaborated Projects: 2 results

# of Collaborated Products: 3 results
3. IMAI Hideo (10093668)

# of Collaborated Projects: 2 results

# of Collaborated Products: 0 results
4. URAKAWA Hajime (50022679)

# of Collaborated Projects: 2 results

# of Collaborated Products: 0 results
5. TAYA Hisao (40257241)

# of Collaborated Projects: 2 results

# of Collaborated Products: 0 results
6. TANIGUCHI Tetsuji (90543728)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
7. ASOH Toru (00111352)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
8. YAMAUCHI Hiroshi (40452213)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
9. SHIMAKURA Hiroki (90399791)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
10. LAM Ching Hung

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results

Betsumiya Koichi 別宮 耕一

BETSUMIYA Koichi 別宮 耕一

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散在型有限単純群の対称性をもつ組み合わせ構造の研究Principal Investigator

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Research on families of maximal triply even codes and related mathematical structuresPrincipal Investigator

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Research on triply even codes and their related mathematical structuresPrincipal Investigator

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Research on triply even codesPrincipal Investigator

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Research on algebraic coding theory and its applications for vertex operator algebrasPrincipal Investigator

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Applications of algebraic methods in coding theory to combinatorial designs and discrete geometry

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代数的符号理論の研究と保型形式論への応用Principal Investigator

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[Journal Article] tame 自己同型群について2020

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[Journal Article] 拡張ハミング符号と正六百胞体との対応について2019

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[Journal Article] Triply even code の極大性判定2018

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[Journal Article] Triply even codes constructed from distance regular graphs2016

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[Journal Article] Classification of doubly even self-dual codes of length 402013

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[Journal Article] Triply even codes について2013

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[Journal Article] Upper bounds on cyclotomic numbers2013

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[Journal Article] A Complete Classification of Doubly Even Self-dual Codes of Length 402012

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Betsumiya Koichi 別宮耕一

BETSUMIYA Koichi 別宮耕一