Chair of the Department of Mathematics Chair of the Doctoral Programs in Mathematics Kazuhiro KawamuraE-mail : kawamura* |

Dean of the College of MathematicsDaisuke SagakiE-mail : sagaki* |

※ In E-mail, * should be changed to "@math.tsukuba.ac.jp".

### Algebra

Professor

Shigeki Akiyama E-mail : akiyama* |
Number theory and ergodic theory, especially the interplay between them. |

Daisuke Sagaki E-mail : sagaki* |
Combinatorial representation theory of Lie algebras and quantum groups. |

Akira Masuoka E-mail : akira* |
Hopf algebras, quantum groups and differential Galois theory. |

Kazuhiko Yamaki E-mail：yamaki.kazuhiko* |
Arithmetic of algebraic varieties and nonarchimedian geometry |

※ In E-mail, * should be changed to "@math.tsukuba.ac.jp".

#### Associate Professor

Scott Carnahan E-mail : carnahan* |
Moonshine, algebraic geometry, vertex algebras, automorphic forms. |

※ In E-mail, * should be changed to "@math.tsukuba.ac.jp".

#### Lecturer

Ken-ichiro Kimura E-mail : kimurak* |
Algebraic geometry and number theory: Study on K-groups and Chow groups. |

Hiroshi Mikawa E-mail : mikawa* |
Prime number theory. |

※ In E-mail, * should be changed to "@math.tsukuba.ac.jp".

#### Assistant Professor

Hajime Kaneko E-mail : kanekoha* |
Analytic number theory, in particular uniform distribution theory and transcendental number theory. |

Tomoki Mihara E-mail : mihara* |
p-adic analysis, p-adic geometry, p-adic representation * also in charge of Center for Artificial Intelligence Research (CAIR) |

Ryotaro Sakamoto E-mail : rsakamoto* |
Number theory, Iwasawa theory * also in charge of Center for Artificial Intelligence Research (CAIR) |

※ In E-mail, * should be changed to "@math.tsukuba.ac.jp".

### Geometry

#### Professor

Hajime Ono E-mail : h-ono* |
Differential Geometry, in particular, the existence problem of Riemannian metrics, Kähler manifolds. Sasaki manifolds |

Kazuhiro Kawamura E-mail : kawamura* |
Geometric topology, metric geometry and topological combinatorics. |

※ In E-mail, * should be changed to "@math.tsukuba.ac.jp".

#### Associate Professor

Atsushi Ishii E-mail : aishii* |
Low dimensional topology, knot theory. |

Motoo Tange E-mail : tange* |
Low-dimensional topology, 3, 4-manifold theory |

Hiroyuki Tasaki E-mail : tasaki* |
Differential geometry and integral geometry of homogeneous spaces. |

Michihiro Hirayama E-mail : hirayama* |
Dynamical systems, ergodic theory. |

Hikaru Yamamoto |
Differential geometry. In particular, special geometry and geometric flow |

※ In E-mail, * should be changed to "@math.tsukuba.ac.jp".

#### Lecturer

Reiko Aiyama E-mail : aiyama* |
Differential geometry for surfaces and submanifolds. |

Koichi Nagano E-mail : nagano* |
Global Riemannian geometry and metric geometry. |

※ In E-mail, * should be changed to "@math.tsukuba.ac.jp"

### Analysis

#### Professor

Tomoyuki Kakehi E-mail : kakehi* |
Differential equations on symmetric spaces, Integral geometry. |

Yoshihiro Takeyama E-mail : takeyama* |
Special functions and their applications to mathematical physics and number theory. |

Yuji Hamana E-mail : hamana* |
Theory of stochastic processes, Stochastic analysis. |

※ In E-mail, * should be changed to "@math.tsukuba.ac.jp".

#### Associate Professor

Tamotsu Kinoshita E-mail : kinosita* |
Microlocal analysis, Cauchy problems for hyperbolic equations, wavelet. |

Toshiro Kuwabara E-mail : kuwabara* |
Representation theory, microlocal analysis. |

Ryoki Fukushima E-mail : ryoki* |
Probability theory. In particular problems related to random media. |

※ In E-mail, * should be changed to "@math.tsukuba.ac.jp".

#### Assistant Professor

Kouhei Matsuura E-mail : kmatsuura* |
Symmetric Markov processes, Dirichlet forms, analysis related to diffusion processes with boundary conditions. |

Yuya Takeuchi E-mail：ytakeuchi* |
Geometric analysis on strictly pseudoconvex domains and their boundaries |

※ In E-mail, * should be changed to "@math.tsukuba.ac.jp".

### Mathematics of Information

#### Professor

Makoto Aoshima E-mail : aoshima* |
Statistical science, high-dimensional data analysis, asymptotic theory, Bayesian inference. |

※ In E-mail, * should be changed to "@math.tsukuba.ac.jp".

#### Associate Professor

Issei Oikawa E-mail : ioikawa* |
Numerical analysis, in particular finite element methods and discontinuous Galerkin methods. |

Masahiro Shioya E-mail : shioya* |
Axiomatic set theory, in particular, infinitary combinatorics and large cardinals. |

Akira Terui E-mail : terui* |
Computer algebra, study of symbolic-numeric algorithms and their applications. * also in charge of Center for Artificial Intelligence Research (CAIR) |

Kazuyoshi Yata E-mail : yata* |
Multivariate analysis, sequential analysis, highdimension low-sample-size data analysis, asymptotic theory. |

※ In E-mail, * should be changed to "@math.tsukuba.ac.jp".

#### Assistant Professor

Nao Ohyauchi E-mail : naopu* |
Study of statistical non-regular theory of estimation by Bayesian approach. |

Kota Takeuchi E-mail : kota* |
Mathematical logic, model theory, and in particular, stability theory. |

※ In E-mail, * should be changed to "@math.tsukuba.ac.jp".