Rchr
J-GLOBAL ID：200901000868315154
Update date: Jan. 30, 2024
Tohge Kazuya
Tohge Kazuya
Affiliation and department：
Research field (1)：
Basic analysis
Research keywords (4)：
Tropical Nevanlinna theory
, 有理型函数
, 値分布
, Theory of Functions
Research theme for competitive and other funds (39)：
- 2022 - 2026 A study on value distribution properties of meromorphic functions generated by a wide variety of series and an investigation into their possible algebraic analogues
- 2020 - 2023 差分方程式の複素領域における研究とその応用について
- 2016 - 2019 The adaptation of complex function theory to ultradiscrete function theory modeled on value distribution theories and its application to various fields
- 2013 - 2016 トロピカルNevanlinna-Cartan理論の完成と複素解析的手法への還元
- 2010 - 2012 Research of complex functional equations by means of theory of meromorphic functions
- 2010 - 2012 ネバンリンナ理論の他分野への移植
- 2009 - 2011 A study of harmonic analysis in orthogonal expansions
- 2007 - 2010 諸分野に現れる微分・差分方程式と有理型函数・正則曲線の値分布に関する研究
- 2007 - 2010 Study on differential or difference equations appearing in many areas and value distribution of meromorphic functions or holomorphic curves
- 2007 - 2010 Studies on complex dynamics of transcendental entire functions
- 2007 - 2009 Meromorphic solutions of discrete functional equations
- 2007 - 2008 A study of harmonic analysis in orthogonal expansions
- 2006 - 2008 Value distribution theory of meromorphic mappings concerningdefects and its application to uniqueness theorems
- 2005 - 2007 Analytic study of Painleve equations and a nelated clans of equation
- 2005 - 2006 Studies on complex dynamics of transcendental entire functions
- 2005 - 2006 A study of harmonic analysis for orthogonal expansions
- 2004 - 2005 Discrete functional equations in complex domains
- 2003 - 2004 Global study of functional equations and special functions
- 2003 - 2004 Harmonic Analysis for Orthogonal Expansions
- 2002 - 2003 Studies on complex dynamics of transcendental entire functions and singular values
- 2002 - 2003 Study of functional equations by applying value distribution theory and complex dynamics
- 2001 - 2002 Harmonic Analysis for Some Orthogonal Expansions
- 2000 - 2001 有理型函数と正則曲線の値分布の研究と複素力学系、微分・函数方程式への応用
- 2000 - 2001 Studies on complex dynamics of transcendental entire functions and the value distribution theory
- 1999 - 2001 Value distribution of meromorphic functions or holomorphic curves and its applications
- 2000 - 複素微分・函数方程式の研究への値分布理論の応用
- 2000 - 有理型函数,代数型函数および正則曲線の値分布に関する研究
- 2000 - Application of the value distribution theory to the study on complex differential and functional eguations
- 2000 - Study on Value Distribution of Meromorphic or algebroid Functions and holomorphic curves
- 1998 - 1999 Harmonic Analysis on Orthogonal Expansions
- 1997 - 1999 Studies on complex dynamics of transcendental entire functions
- 1997 - 1998 値分布論の応用による複素力学系及び複素微分方程式とその関連分野の研究
- 1997 - 1998 Nevanlinna theory and its applications
- 1997 - 1998 Research on Fourier integrals of several variables
- 1996 - 1996 値分布論および複素力学系の研究と微分方程式の理論への応用
- 1996 - 1996 マルコフ連鎖の最適制御
- 1995 - 1995 値分布理論の研究と複素力学系及び代数型面間の解析写像への応用について
- 1995 - 1995 リーマン面間の解析写像と有理型函数による合成函数の値分布
- 1994 - 1994 複素平面上の有理型函数及び代数型函数の値分布
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Papers (20)：
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Heittokangas, J, K. Ishizaki, K. Tohge, Z-T. Wen. Value distribution of exponential polynomials and their role in the theories of complex differential equations and oscillation theory. Bull. London Math. Soc. 2022
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Janne Heittokangas, Katsuya Ishizaki, Kazuya Tohge, Zhi Tao Wen. Dual exponential polynomials and a problem of Ozawa. Proceedings of the Royal Society of Edinburgh Section A: Mathematics. 2021
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Janne Heittokangas, Katsuya Ishizaki, Ilpo Laine, Kazuya Tohge. Exponential polynomials in the oscillation theory. JOURNAL OF DIFFERENTIAL EQUATIONS. 2021. 272. 911-937
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Katsuya Ishizaki, Risto Korhonen, Nan Li, Kazuya Tohge. A Stothers-Mason theorem with a difference radical. MATHEMATISCHE ZEITSCHRIFT. 2020. 298. 1-2. 671-696
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Risto Korhonen, Kazuya Tohge, Yueyang Zhang, Jianhua Zheng. A LEMMA ON THE DIFFERENCE QUOTIENTS. ANNALES ACADEMIAE SCIENTIARUM FENNICAE-MATHEMATICA. 2020. 45. 1. 479-491
ｍore...
MISC (33)：
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Risto Korhonen, Ilpo Laine, Kazuya Tohge. Tropical value distribution theory and ultra-discrete equations. Tropical Value Distribution Theory and Ultra-Discrete Equations. 2015. 1-263
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K. Tohge. On Gundersen's solution the Fermat-type functional equation of degree 6. COMPLEX VARIABLES AND ELLIPTIC EQUATIONS. 2011. 56. 1-4. 233-251
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Remarks on a special fundamental solution base and its product. Complex Analysis and its Applications, Proceedings of the 15th ICFIDCAA,. 2008. 2, 351-356
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Remarks on a special fundamental solution base and its product. Complex Analysis and its Applications, Proceedings of the 15th ICFIDCAA,. 2008. 2, 351-356
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Qi Han, Seiki Mori, Kazuya Tohge. On results of H. Ueda and G. Brosch concerning the unicity of meromorphic functions. JOURNAL OF MATHEMATICAL ANALYSIS AND APPLICATIONS. 2007. 335. 2. 915-934
ｍore...
Books (1)：
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Tropical value distribution theory and ultra-discrete equations
World Scientific 2015 ISBN:9789814632799
Committee career (3)：
- 2005 - 2009 : 日本数学会 函数論分科会委員
- 2005 - 2009 : Mathematical Society of Japan
- 2005 - 2009 日本数学会 函数論分科会委員
Association Membership(s) (2)：
日本数学会
, Mathematical Society of Japan
