- 2018 - 2023 Exact WKB analysis of parametric Stokes phenomena
- 2014 - 2018 Algebraic analysis of parametric Stokes phenomena
- 2012 - 2017 The structure theory of differential equations by the algebraic analysis of singular perturbation theory
- 2009 - 2014 Asymptotic analysis for hypergeometric systems and Garnier systems
- 2010 - 2013 Asymptotic analysis of instanton-type solutions
- 2008 - 2012 Study of Fuchsian system of differential equations from the view point of algebraic analysis and microlocal analysis
- 2008 - 2011 Structure theory of higher order Painleve equations through exact WKB analysis
- 2006 - 2008 Exact WKB analysis of systems of differential equations
- 2005 - 2007 Exact WKB analysis of higher order differential equations that is centered around the notion of a virtual turning point
- 2005 - 2006 Algebraic study of non-local differential equations and operational calculus
- 2003 - 2005 Exact WKB analysis of microdifferential equations of infinite order
- 2003 - 2004 Algebraic-analytical Study of non-local pseudo-differential equations in complex domains
- 2002 - 2004 Structural analysis of differential equations by the exact WKB method
- 2001 - 2002 ALGEBRAIC ANALYTICAL STUDY OF SHEAVES AND INFINITE ORDRE DIFFERENTIAL EQUATIONS
- 2000 - 2002 WKB analysis for high-order ordinary differencial equations with a large parameter
- 1999 - 2001 Study on the properties for partial sums of analytic functions
- 1999 - 2001 Exact WKB analysis and microlocal analysis
- 1999 - 2000 ALGEBRAIC-ANALYTICAL STUDY OF PSEUDO-DIFFERENTIAL AND CONVOLUTION ERUATIONS
- 1998 - 1999 Research of rings defined by a system of differential equations
- 1997 - 1998 Algebraic Analysis of Exponential Asymptotics
- 1997 - 1998 PSEUDO-DIFFERENTIAL EQUATIONS IN COMPLEX DOMAINS
- 1996 - 1996 周期的シュレディンガー方程式の断熱摂動の代数解析
- 1995 - 1995 無限階微分方程式系のホロノミック性
- 1995 - 1995 パンルヴェ超越関数と指数漸近解析
- 1994 - 1994 無限階微分方程式系の対称性とホロノミック系
- 1994 - 1994 一次元可積分多体系の半古典的量子化とランダム行列模型
- 1993 - 1993 正則関数に関する作用素の総合的研究
- 1992 - 1992 擬微分作用素と異空間解析の局所的研究
- 1992 - 1992 モノドロミー保存変形のWKB解析
- 1991 - 1992 超局所解析学とS-行列理論
- 1991 - 1991 多変数保型形成の整数論的研究
- 1987 - 1987 無限階微分作用素の環の代数的研究
- 1986 - 1986 無限階擬微分作用素および無限階微分方程式の超局所的研究
- Algebraic Analysis of Singular Perturbations
Show all