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J-GLOBAL ID：201201094015986792   Update date: Apr. 16, 2024

Tanaka Hajime

タナカ ハジメ | Tanaka Hajime
Affiliation and department：
Tohoku University Graduate School of Information Sciences

About Tohoku University Graduate School of Information Sciences


Job title： Professor
Homepage URL  (1)： https://hajimetanaka.org/
Research field  (3)： Applied mathematics and statistics ,  Basic mathematics ,  Algebra
Research keywords  (3)： algebraic combinatorics ,  algebraic graph theory ,  spectral graph theory
Research theme for competitive and other funds  (9)：
  • 2023 - 2026 Developments of research on graphs by representations of noncommutative algebras
  • 2020 - 2023 代数的組合せ論及びその諸分野との連携
  • 2019 - 2023 Quantum probability and asymptotic analysis of large finite systems
  • 2017 - 2020 Development of the algebraic study of graphs
  • 2013 - 2017 A comprehensive study of combinatorial objects by algebraic methods
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Papers (38)：
  • Jiawei Huang, Akito Iizuka, Hajime Tanaka, Taku Komura, Yoshifumi Kitamura. Online neural path guiding with normalized anisotropic spherical Gaussians. ACM Transactions on Graphics. 2024. 43. 3. 26
  • Hajime Tanaka. Characterizing graphs with fully positive semidefinite $Q$-matrices. Linear Algebra and its Applications. 2023. 671. 59-66
  • Hajime Tanaka, Mohamed Sabri, Renato Portugal. Spatial search on Johnson graphs by discrete-time quantum walk. Journal of Physics A: Mathematical and Theoretical. 2022. 55. 25. 255304
  • Eiichi Bannai, Etsuko Bannai, Hajime Tanaka, Yan Zhu. Tight relative $t$-designs on two shells in hypercubes, and Hahn and Hermite polynomials. Ars Mathematica Contemporanea. 2022. 22. 2. #P2.01
  • Xiaoye Liang, Ying-Ying Tan, Hajime Tanaka, Tao Wang. A duality of scaffolds for translation association schemes. Linear Algebra and its Applications. 2022. 638. 110-124
ｍore...
Lectures and oral presentations  (68)：
  • The element distinctness problem revisited
    (10th International Congress on Industrial and Applied Mathematics (ICIAM 2023 TOKYO) 2023)
  • Characterizing graphs with fully positive semidefinite $Q$-matrices
    (RIMS Symposium (open), "Research on finite groups, algebraic combinatorics, and vertex algebras" 2022)
  • Scaling limits for the Gibbs states on distance-regular graphs with classical parameters
    (The 19th Workshop: Noncommutative Probability, Noncommutative Harmonic Analysis and Related Topics, with Applications 2022)
  • 量子ウォークに基づく Johnson グラフ上の探索アルゴリズム
    (代数学の広がり 2022)
  • Spatial search on Johnson graphs by discrete-time quantum walk
    (Workshop on Algebraic Combinatorics 2022)
ｍore...
Education (3)：
  • 2001 - 2004 Kyushu University Graduate School of Mathematics
  • 1999 - 2001 Kyushu University Graduate School of Mathematics
  • 1995 - 1999 Kyushu University Faculty of Science Department of Mathematics
Professional career (1)：
  • Ph.D. (Mathematics) (Kyushu University)
Work history (9)：
  • 2024/04 - 現在 Tohoku University Graduate School of Information Sciences Professor
  • 2012/08 - 2024/03 Tohoku University Graduate School of Information Sciences Associate Professor
  • 2007/10 - 2012/07 Tohoku University Graduate School of Information Sciences Assistant Professor
  • 2010/03 - 2011/03 University of Wisconsin-Madison Department of Mathematics Honorary Fellow
  • 2007/04 - 2007/09 Worcester Polytechnic Institute Department of Mathematical Sciences Affiliate Assistant Professor & JSPS Fellow for Research Abroad
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Association Membership(s) (2)：
The Institute of Combinatorics and its Applications ,  The Mathematical Society of Japan
※ Researcher’s information displayed in J-GLOBAL is based on the information registered in researchmap. For details, see here.

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