Fuchsian Differential Equations

I. - Hypergeometric Differential Equations. - General Theory of Differential Equations I. - The Riemann and Riemann-Hilbert Problems. - Schwarzian Derivatives I. - The Gauss-Schwarz Theory for Hypergeometric Differential Equations. - II. - Hypergeometric Differential Equations in Several Variables. - The General Theory of Differential Equations. - Schwarzian Derivatives II. - The Riemann and Riemann-Hilbert Problems II. - The Gauss-Schwarz Theory in Two Variables. - Reflection Groups. - Toward Finding New Differential Equations.