## Visitors Section

## Visitors Section, List of Academic Staff

**ABE, Takuro (Guest Professor (Rikkyo University))**

Arrangements of Hyperplanes, Root Systems and Weyl Groups, Vector Bundles**AKIYAMA, Koichiro (Guest Professor (TOSHIBA Corporate Research & Development Center))**

Public-Key Cryptography, Information Security**ANAI, Hirokazu (Guest Professor (Fujitsu Limited))**

Computer Algebra**BARYSHNIKOV, Yuliy (Guest Professor (Department of Mathematics / Electrical and Computer Engieering, Illynois Unniversity Urbana-Champaign))****BROADBRIDGE, Philip (Guest Professor (Department of Mathematics and Statistics, La Trobe University, Emeritus Professor))**

Applied Mathematics, Mathematical Modeling, Integrable Systems**HAMADA, Hiroyasu (Guest Professor (National Institute of Technology, Sasebo College))**

C*-algebra, Composition Operator, Shape Interpolation**HATSUDA, Tetsuo (Guest Professor (Program Director, RIKEN Interdisciplinary Theoretical and Mathematical Sciences Program (iTHEMS)))****HIRAOKA, Yasuaki (Guest Professor (Kyoto University Institute for Advanced Study))**

Dynamical Systems, Computational Topology**IWAMI, Shingo (Guest Professor (Division of Biological Science, Graduate Shchool of Science, Nagoya University))****KAWAHARA, Yoshinobu (Guest Professor (Osaka University))**

Machine Learning, Statistical Modeling, Time-Series Analysis, Optimization**MATSUOKA, Hidetoshi (Guest Professor,President, XCREATE Corporation)**

Knowledge management of mathematical technology**MERA, Mitsugu (Guest Professor (Mazda Motor Corporation, Technical Research Center))****MIYAKE, Youichiro (Guest Professor (SQUARE ENIX CO., LTD.))****SATO, Hisayoshi (Guest Professor (Research & Development Group, Center for Technology Innovation - Systems Engineering, Hitachi, Ltd.))**

Public-Key Cryptography, Information Security**SAKURAI, Daisuke (Guest Professor (Research Director, Fujitsu Laboratories, Fujitsu Limited))**

Computational Geometry, Topological Analysis, Visualization**TAKAGI, Tsuyoshi (Guest Professor (Graduate School of Information Science and Technology, the University of Tokyo))**

Cryptography, Information Security, Computational Number Theory**TAKAHASHI, Tetsuro (Guest Professor (Kagoshima University))****TOH, Kim Chuan (Guest Professor (Department of Mathematics, National University of Singapore))**

Design, Analysis, and Implementation of Algorithms for Convex Programming, in particular, Linear and Convex Quadratic Semidefinite Programming and their Applications.**VERBITSKIY, Evgeny (Guest Professor (Mathematics Institute, Leiden University))**

Ergodic Theory, Dynamical Systems**YASUDA, Masaya (Guest Professor (Rikkyo University))**

Elliptic Curve Cryptography, Homomorphic Encryption, Algebraic Geometry**NISHII, Ryuei (Emeritus Professor (Professor, School of Information and Data Science, Nagasaki University))**

Data Science, Machine Learning, Pattern Recognition**WAKAYAMA, Masato (Guest Professor,Emeritus Professor (Fundamental Mathematics Research Principal, Institute for Fundamental Mathematics, NTT))**

Representation Theory, Number Theory, Zeta Functions, Spectral Analysis