About KATO AKISHI
About 東大 大学院数理科学研究科
About differential equation
About matrix (mathematics)
About exponential function
About successive approximation
About Lax equation
About homology (mathematics)
About cohomology
About Gauss function
About Picard-Fuchs微分方程式
About Algebra
About 方程式
About 代数学
About 行列
About 微分方程式