Shigezumi Junichi | Researcher Information

2007 - 2009 Study on locating zeros of modular forms and algebraic combinatorics on Euclidean spheres

Junichi Shigezumi, Tatsuya Asai, Hiroaki Morikawa, Hiroya Inakoshi. A fast algorithm for matching planar maps with minimum Fréchet distances. BigSpatial'15 (Proceedings of the 4th ACM SIGSPATIAL International Workshop on Analytics for Big Geospatial Data). 2015. 25-34
Eiichi Bannai, Etsuko Bannai, Junichi Shigezumi. A new Euclidean tight 6-design. Annals of Combinatorics. 2012. 16. 4. 651-659
Eiichi Bannai, Takahiro Sato, Junichi Shigezumi. Maximal $m$-distance sets containing the representation of the Johnson graph $J(n, m). Discrete Mathematics. 2012. 312. 22. 3283-3292
Koji Maruhashi, Junichi Shigezumi, Nobuhiro Yugami, Christos Faloutsos. EigenSP: A More Accurate Shortest Path Distance Estimation on Large-Scale Networks. ICDMW 2012 (2012 IEEE 12th International Conference on Data Mining workshops). 2012. 234-241
Junichi Shigezumi. On the zeros of certain Poincar\'{e} series for $\Gamma_0^{*}(2)$ and $\Gamma_0^{*}(3). Osaka Journal of Mathematics. 2010. 47. 2. 487-505

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Kotaro Ohori, Tatsuya Asai, Hiroaki Iwashita, Keisuke Goto, Junichi Shigezumi, Takuya Takagi, Yuri Nakao, Hirokazu Anai. Wide Learning Technology to Provide Trust Through Knowledge Discovery. Fujitsu. 2019. 70. 4. 48-54
Hiroya Inakoshi, Junichi Shigezumi, Tatsuya Asai, Takuya Kida, Hiroki Arimura. Route graph: Joint Map-matching by Maximizing Posterior Probability. IPSJ Trans. Math. Model. Appl. (IPSJ TOM). 2019. 12. 1. 43-51
Yuri Nakao, Junichi Shigezumi, Hikaru Yokono, Takuya Takagi. Requirements for Explainable Smart Systems in the Enterprises from Users and Society Based on FAT. 2nd Workshop on Explainable Smart Systems (ExSS). 2019
Takashi Katoh, Shin-ichiro Tago, Tatsuya Asai, Hiroaki Morikawa, Junichi Shigezumi, Hiroya Inakoshi. Mining Frequent Partite Episodes with Partwise Constraints. New Frontiers in Mining Complex Patterns , NFMCP 2013. 2014. 8399. 117-131
Junichi Shigezumi. On the zeros of certain modular functions and some spherical designs from lattices. Ph. D. Thesis. 2009

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強化学習方法、強化学習プログラム、および強化学習装置
強化学習プログラム、強化学習方法、および強化学習装置
位置推定装置、位置推定プログラム、および位置推定方法
プログラム、情報処理装置及び情報処理方法
軌跡データ処理方法、軌跡データ処理プログラム及び軌跡データ処理装置

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A new example of Euclidean tight 6-design
(Mini-Workshop "Algebraic Combinatorics" (Japanese) 2010)
The zeros of the Eisenstein series and the supersingular polynomials
(Mini-Workshop on Algebra and Combinatorics 2009 2009)
Certain classifications of lattices and spherical designs
(The 1st Kumjung Seminar 2009)
On the zeros of Eisenstein series for Fuchsian groups of first kind
(2nd Japanese-German Number Theory Workshop 2008)
On the zeros of Eisenstein series associated with $\Gamma_0^*(2)$ and $\Gamma_0^*(3)$
(The Second COE Workshop on Sphere Packing 2005)

Doctor of Mathematics (Kyushu University)
Master of Science (Kyushu University)

2021/04 - 現在 Fujitsu Limited
2012/10 - 2021/03 Fujitsu Laboratories Ltd. Researcher
2012/04 - 2012/09 Kyushu University Innovation Training Program Center Post-doctoral Fellow
2011/04 - 2012/03 Institute of Mathematics for Industry, Kyushu Univ. Post-doctoral Fellow
2010/04 - 2011/03 Kyushu University Faculty of Mathematics

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INFORMATION PROCESSING SOCIETY OF JAPAN , THE JAPAN SOCIETY FOR INDUSTRIAL AND APPLIED MATHEMATICS , The Operations Research Society of Japan , Mathematical Society of Japan