Faculty members
This is a list of all faculty members of the Department of Mathematics. To find out each faculty member’s research and education information, please follow the links.

Professor
ATSUJI, Atsushi
Professor
ATSUJI, Atsushi
Department of Mathematics School of Fundamental Science and Technology
I am interested mainly in probabilistic properties of manifolds and geometric function theory with probabilistic methods such as stochastic calculus. Recent topics of my interest are theory of diffusion processes and martingales, potential theory on manifolds, value distribution theory of holomorphic maps, Nevanlinna theory, Liouville type theorems for harmonic functions and harmonic maps.
LAB：14742
TEL：42745
LAB HP：
YouTube：
Researcher DataBase：https://kris.keio.ac.jp/html/100011512_ja.html

Professor
IGUCHI, Tatsuo
Professor
IGUCHI, Tatsuo
Department of Mathematics School of Fundamental Science and Technology
My main theme is to construct a mathematical theory of fluid mechanics. Especially, I am studying basic equations for water waves, which are formulated as a free boundary problem for the Euler equation. The water wave is a source of various dispersive equations and one needs various mathematical techniques in the analysis. So it is a very interesting subject both in fluid mechanics and in mathematics.
LAB：14541
TEL：42728
LAB HP：http://www.math.keio.ac.jp/~iguchi/
YouTube：https://www.youtube.com/watch?v=_zaBjwO7ZU4
Researcher DataBase：https://kris.keio.ac.jp/html/100011514_ja.html

Associate Professor
IKOMA, Norihisa
Associate Professor
IKOMA, Norihisa
Department of Mathematics School of Fundamental Science and Technology
My research interests are in the field of partial differential equations, particularly, nonlinear elliptic partial differential equations. These equations appear in physics, nonlinear optics, differential geometry and so on. I am interested in the existence of solutions and their properties.
LAB：14741
TEL：42734
LAB HP：https://sites.google.com/view/norihisaikomaswebpage/
YouTube：
Researcher DataBase：https://kris.keio.ac.jp/html/100011515_ja.html

Professor
IZEKI, Hiroyasu
Professor
IZEKI, Hiroyasu

Professor
OTA, Katsuhiro
Professor
OTA, Katsuhiro

Associate Professor
ODA, Yoshiaki
Associate Professor
ODA, Yoshiaki
Department of Mathematics School of Fundamental Science and Technology
We mainly focus on combinatorics, algorithms and computational complexities. For example, we study the Traveling Salesman Problem. We are also interested in graph theory, discrete geometry, combinatorial structures on permutations and integer sequences.
LAB：14542
TEL：42757
LAB HP：http://www.math.keio.ac.jp/~oda/
YouTube：
Researcher DataBase：https://kris.keio.ac.jp/html/100011523_ja.html

Associate Professor
KAKIMURA, Naonori
Associate Professor
KAKIMURA, Naonori
Department of Mathematics School of Fundamental Science and Technology
My research interests center on optimization theory for engineering applications. In particular, I am interested in developing efficient algorithms for solving optimization problems with combinatorial structures such as graphs and networks. My research topics are also related to discrete mathematics, graph algorithms, and combinatorial matrix theory.
LAB：14538
TEL：42747
LAB HP：http://www.math.keio.ac.jp/~kakimura/indexj.html
YouTube：
Researcher DataBase：https://kris.keio.ac.jp/html/100011524_ja.html

Professor
KATSURA, Takeshi
Professor
KATSURA, Takeshi
Department of Mathematics School of Fundamental Science and Technology
I am interested in operator algebras, especially C*algebras. Operator algebras are algebras consicting of bounded operators on Hilbert spaces. The theory of operator algebras has been developed with interplaying many fields in mathematics and physics after its born to give a mathematical formulation of quantum mechanics. I am working on C*algebras associated with topological dynamical systems in the viewpoint of classification theory.
LAB：14635
TEL：42761
LAB HP：http://www.math.keio.ac.jp/~katsura/indexj.html
YouTube：https://www.youtube.com/watch?v=fzZ6Hpd6fMk
Researcher DataBase：https://kris.keio.ac.jp/html/100011525_ja.html

Associate Professor
KAMETANI, Yukio

Professor
KURIHARA, Masato
Professor
KURIHARA, Masato

Professor
KOBAYASHI, Kei
Professor
KOBAYASHI, Kei
Department of Mathematics School of Fundamental Science and Technology
My main research topic is about theoretical statistics and it includes model selection and prediction theory. I am also interested in statistical analysis using mathematical structure of the models and the methods such as information geometry and algebraic statistics. One of the targets of my research is to develop statistically and mathematically feasible models for machine learning and to enhance accuracy of their methods.
LAB：14445
TEL：42720
LAB HP：http://www.math.keio.ac.jp/~kei/Keis_HP.html
YouTube：
Researcher DataBase：https://kris.keio.ac.jp/html/100011531_ja.html

Associate Professor
SAKAGAWA, Hironobu
Associate Professor
SAKAGAWA, Hironobu

Professor
SHIRAISHI, Hiroshi
Professor
SHIRAISHI, Hiroshi

Associate Professor
SOGA, Kohei
Associate Professor
SOGA, Kohei
Department of Mathematics School of Fundamental Science and Technology
I am interested in Hamiltonian dynamics, HamiltonJacobi equations, conservation laws and fundamental systems of equations in fluid dynamics. I am also working on mathematical analysis of numerical methods for partial differential equations.
LAB：14740
TEL：42742
LAB HP：
YouTube：
Researcher DataBase：https://kris.keio.ac.jp/html/100011544_ja.html

Professor
TAKAHASI, Hiroki
Professor
TAKAHASI, Hiroki
Department of Mathematics School of Fundamental Science and Technology
Our goal is a qualitative understanding of solutions of dynamical systems, such as systems of ODEs and iterated maps. My recent interest is the study of chaotic dynamical systems with the use of ideas and methods borrowed from statistical mechanics.
LAB：14437
TEL：42721
LAB HP：http://www.math.keio.ac.jp/~hiroki/
YouTube：
Researcher DataBase：https://kris.keio.ac.jp/html/100011546_ja.html

Assistant Professor
TAKAYAMA, Masahiro
Assistant Professor
TAKAYAMA, Masahiro
Department of Mathematics School of Fundamental Science and Technology
My main concern is the motion of a flapping flag in the wind and the oscillation of a tube conveying fluid. In order to elucidate these phenomena mathematically, I am currently studying the motion of a hanging string in the gravity field.
LAB：14444
TEL：42736
LAB HP：
YouTube：
Researcher DataBase：https://kris.keio.ac.jp/html/100011547_ja.html

Professor
TANAKA, Takaaki
Professor
TANAKA, Takaaki
Department of Mathematics School of Fundamental Science and Technology
This laboratory focuses on transcendental number theory to determine transcendence and algebraic independence of values of complex analytic functions, being a significant and difficult problem in mathematics and having many applications to other branches including algebraic number theory. Mainly studied is the theory of the solutions of certain functional equations called Mahler functions, which often appear as generating functions of various sequences representing mathematical phenomena.
LAB：14441
TEL：42741
LAB HP：http://www.math.keio.ac.jp/~takaaki/index.html
YouTube：
Researcher DataBase：https://kris.keio.ac.jp/html/100011549_ja.html

Professor
TANEMURA, Hideki
Professor
TANEMURA, Hideki
Department of Mathematics School of Fundamental Science and Technology
It is one of the basic methods for understanding a phenomenon in physics, biology or economics to represent it by means of a stochastic process. The main purpose of my research is to get to the bottom of the phenomena by examining properties such as stationarity, ergodicity, asymptotic behavior and scaling limit distribution for the process.
LAB：14442
TEL：42743
LAB HP：http://www.math.keio.ac.jp/~tanemura/
YouTube：
Researcher DataBase：https://kris.keio.ac.jp/html/100011551_ja.html

Professor
TAMURA, Akihisa
Professor
TAMURA, Akihisa

Associate Professor
HATTORI, Kota
Associate Professor
HATTORI, Kota
Department of Mathematics School of Fundamental Science and Technology
My main concern is the geometry on Riemannian manifolds with special holonomy groups, such as CalabiYau manifolds and HyperKaehler manifolds. In particular, I am interested in the metric measure spaces to which the sequences of these manifolds GromovHasudorff converge.
LAB：14636
TEL：42750
LAB HP：
YouTube：https://www.youtube.com/watch?v=g3ZYSSzsks
Researcher DataBase：https://kris.keio.ac.jp/html/100011563_ja.html

Associate Professor
HAYASHI, Kenichi
Associate Professor
HAYASHI, Kenichi
Department of Mathematics School of Fundamental Science and Technology
My current research interest is evaluation of statistical models applied in biomedical research. I have also been studying statistical machine learning and aim to integrate both these research fields.
LAB：14438
TEL：42765
LAB HP：http://www.stat.math.keio.ac.jp/
YouTube：
Researcher DataBase：https://kris.keio.ac.jp/html/100011564_ja.html

Associate Professor
HAYANO, Kenta
Associate Professor
HAYANO, Kenta

Professor
BANNAI, Kenichi
Professor
BANNAI, Kenichi

Professor
MINAMI, Mihoko
Professor
MINAMI, Mihoko
Department of Mathematics School of Fundamental Science and Technology
My current research interest includes data design and modeling for the biological and environmental sciences, in particular, biological resource assessment, clustering of distributions and environmental risk assessment. I also have conducted research on statistical methods for missing data, mixed effect models, multivariate distribution theory and multivariate analysis including independent component analysis.
LAB：14440
TEL：42723
LAB HP：http://www.math.keio.ac.jp/~mminami/lab/
YouTube：https://www.youtube.com/watch?v=lDanG9ciSI
Researcher DataBase：https://kris.keio.ac.jp/html/100011571_ja.html

Associate Professor
MIYAZAKI, Takuya
Associate Professor
MIYAZAKI, Takuya
Department of Mathematics School of Fundamental Science and Technology
I am working in automorphic forms on orthogonal groups, which are related to indefinite quadratic forms of several variables. Those are also linked to arithmetic and geometric properties of certain Shimura varieties, which stimulate our interests so much.
LAB：14739
TEL：42744
LAB HP：http://www.math.keio.ac.jp/~miyazaki/
YouTube：
Researcher DataBase：https://kris.keio.ac.jp/html/100011573_ja.html