Takagi Toshikazu

タカギトシカズ | Takagi Toshikazu

Affiliation and department：
Job title： Professor

Research field (1)： Algebra

Research keywords (6)：尖点因子類群 , モジュラー単数 , モジュラー曲線 , cuspidal divisor class group , modular unit , modular curve

Research theme for competitive and other funds (2)：

Papers (1)：

MISC (12)：

Toshikazu Takagi. The cuspidal class number formula for certain quotient curves of the modular curve X-0(M) by Atkin-Lehner involutions. JOURNAL OF THE MATHEMATICAL SOCIETY OF JAPAN. 2010. 62. 1. 13-47
Toshikazu Takagi. Modified Siegel functions relative to the principal congruence subgroups of $G(\sqrt{M}). Journal of the Faculty of Arts and Sciences at Fujiyoshida, Showa University. 2009. 4. 1-16
Toshikazu Takagi. The cuspidal class number formula for the modular curves X-1 (2(2n+1)). JOURNAL OF ALGEBRA. 2008. 319. 9. 3535-3566
Toshikazu Takagi. On the injectivity of the natural morphism from the cuspidal divisor class group of $X_0(p)$ to that of $X_1(p). Journal of the Faculty of Arts and Sciences at Fujiyoshida, Showa University. 2008. 3. 1-7
Toshikazu Takagi. Classification of the principal congruence subgroups of the group $G(\sqrt{M}). Journal of the Faculty of Arts and Sciences at Fujiyoshida, Showa University. 2007. 2. 1-20

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Professional career (1)：

Association Membership(s) (1)：

日本数学会

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