Rchr
J-GLOBAL ID：200901003156143100
Update date: Jan. 31, 2024
Munemasa Akihiro
ムネマサ アキヒロ | Munemasa Akihiro
Affiliation and department：
Job title：
Professor
Homepage URL (2)：
http://db.tohoku.ac.jp/whois/detail/86e812e77541c225151f152051ae0efa.html
,
http://db.tohoku.ac.jp/whois/e_detail/86e812e77541c225151f152051ae0efa.html
Research field (3)：
Applied mathematics and statistics
, Basic mathematics
, Algebra
Research keywords (3)：
lattice
, combinatorics
, permutation group
Research theme for competitive and other funds (47)：
- 2003 - 現在 spherical designs
- 1998 - 現在 algebraic coding theory
- 1989 - 現在 algebraic graph theory
- 2021 - 2024 整化可能な代数構造の代数的グラフ理論による特徴付け及び分類
- 2020 - 2023 Noncommutative association schemes, coherent algebras, their irreducible decompositions and applications
- 2017 - 2020 Eigenvalues of association schemes and characters of finite groups
- 2016 - 2020 On Characterisations and Classifications of graphs by their Eigenvalues
- 2015 - 2019 Comprehensive research on algebraic coding theory
- 2012 - 2018 Various aspects of sporadic simple groups
- 2014 - 2017 Constructions of spherical designs using finite groups and lattices
- 2014 - 2016 グラフの最小固有値とユークリッド空間内の等角直線族
- 2014 - 2016 Challenging of the existence problem of a certain self-dual code through combinatorial designs and lattices
- 2013 - 2016 A elucidation of the structure of graphs by Algebraic Graph Theory and Spectral Graph Theory
- 2013 - 2016 Constructions of complex Hadamard matrices using Algebraic Combinatorics and its applications
- 2012 - 2015 複素アダマール行列と関連した組合せ構造
- 2011 - 2015 A New Development of Algebraic Coding Theory
- 2010 - 2014 Analytic, Algebraic and Combinatorial studies on continued fractions
- 2012 - 2013 最小固有値に制限を加えたグラフの研究
- 2008 - 2010 Algebraic coding theory and combinatorial designs
- 2007 - 2010 Research on algebraic coding theory and its applications for vertex operator algebras
- 2007 - 2010 Study on algebraic or combinatorial structures whose automorphism groups contain finite simple groups
- 2006 - 2009 Representations of Terwilliger algebras and their applications
- 2005 - 2008 Applications of algebraic methods in coding theory to combinatorial designs and discrete geometry
- 2004 - 2007 Synthetic study of algebraic combinatorics
- 2004 - 2006 Research on ideal class groups of algebraic number fields and number theoretic functions and its applications
- 2004 - 2006 Global analysis of the heat kernels on Riemannian manifolds and graphs
- 2003 - 2006 Finite Simple Groups and Related Codes, Lattices and Vertex Operator Algebras
- 2002 - 2004 誤り訂正量子符号の有限群論的アプローチ
- 2002 - 2004 A study of the interacting area among the theory of quadratic forms and the theory of modular forms and the algebraic coding theory
- 2001 - 2003 Comprehensive study on Algebraic Combinatorics
- 2000 - 2003 ALGEBRAIC CODING THEORY, COMBINATORIAL DESIGNS AND ASSOCIATION SCHEMES
- 2000 - 2002 Finite Simple Groups and Related Codes, Lattices and Vertex Operator Algebras
- 1998 - 2001 Association schemes and spin models
- 1998 - 2001 Representations of TerwiUiger algebras and their applications
- 1997 - 2000 A collective study of algebraic combinatorics
- 1998 - 1999 Pseudorandom numbers and their Application to Stochastic Numerical Analysis
- 1997 - 1999 Finite Groups (Sporadic Simple Groups) and Related Topics
- 1996 - 1996 有限体上の交代形式の幾何学的研究
- 1995 - 1996 Research on association schemes and related topics
- 1995 - 1995 アソシエーションスキームにおけるコードとデザイン
- 1994 - 1994 アソシェーションスキームとその双対性
- 1994 - 1994 代数的組合せ論の手法を用いるリンク、3次元多様体の位相不変量の構成
- 1993 - 1993 有限体上の二次形式及び交代形式の幾何学的研究
- 1993 - 1993 p進解析と代数的整数論
- 1992 - 1993 Study of association schemes
- 1992 - 1992 差集合とassociation schemeの関連性の研究
- 1992 - 1992 代数的組合せ論国際会議へ向けての準備
Show all
Papers (72)：
-
Alexander L. Gavrilyuk, Akihiro Munemasa, Yoshio Sano, Tetsuji Taniguchi. Signed analogue of line graphs and their smallest eigenvalues. Journal of Graph Theory. 2021. 98. 2. 309-325
-
Takuya Ikuta, Akihiro Munemasa. Complex Hadamard Matrices Attached to a 3-Class Nonsymmetric Association Scheme. Graphs and Combinatorics. 2019. 35. 1293-1304
-
Masaaki Harada, Akihiro Munemasa. Some restrictions on weight enumerators of singly even self-dual codes II. Interdiscip. Inform. Sci. 2018. 24. 77-85
-
Takuya Ikuta, Akihiro Munemasa. Butson-Type complex Hadamard matrices and association schemes on Galois rings of characteristic 4. Special Matrices. 2018. 6. 1. 1-10
-
Stefka Bouyuklieva, Masaaki Harada, Akihiro Munemasa. Nonexistence of certain singly even self-dual codes with minimal shadow. Electronic J. Combin. 2018. 25. P1.13
ｍore...
MISC (15)：
-
宗政 昭弘. Self-Orthogonal Designs and Equitable Partitions (計算代数システムによる新しい数学の開拓と進展). 数理解析研究所講究録. 2016. 2012. 23-30
-
Ikuta Takuya, Munemasa Akihiro. Complex Hadamard matrices attached to some association schemes (Designs, Codes, Graphs and Related Areas). RIMS Kokyuroku. 2015. 1956. 137-152
-
Munemasa Akihiro. Steiner quadruple systems with abelian regular automorphism group (Finite Groups, Vertex Operator Algebras and Combinatorics). RIMS Kokyuroku. 2009. 1656. 55-64
-
Munemasa Akihiro, Tamura Hiroki. The Codes and the Lattices of Hadamard Matrices (Finite Groups and Algebraic Combinatorics). RIMS Kokyuroku. 2008. 1593. 154-161
-
Munemasa Akihiro. Self -Orthogonal Designs(Algebraic combinatorics and the related areas of research). RIMS Kokyuroku. 2006. 1476. 70-77
ｍore...
Lectures and oral presentations (13)：
-
Group theoretic aspects of the theory of association schemes
(International Workshop on Algebraic Combinatorics 2016)
-
Triply even codes obtained from some graphs and finite geometries
(Graphs and Groups, Spectra and Symmetries 2016)
-
Self-orthogonal designs and equitable partitions
(Algebraic Combinatorics Workshop 2015)
-
Extremal type II Z4-codes of length 24 and triply even binary codes of length 48
(ICM2014 Satellite Conference on Algebraic Coding Theory 2014)
-
Generalized tensor products and related constructions
(Workshop on Algebraic Design Theory and Hadamard Matrices 2014)
ｍore...
Professional career (1)：
- Ph. D. (Ohio State University)
Committee career (2)：
- 2000/04 - 現在 Journal of Algebraic Combinatorics Editors-in-Chief
- 2000/04 - 現在 Journal of Algebraic Combinatorics Editors-in-Chief
Association Membership(s) (2)：
American Mathematical Society
, Mathematical Society of Japan
