Riemann surfaces Geometry, Algebraic Functions of complex variables Moduli theory Abelian groups Automorphisms Curves, Algebraic Kleinian groups Mathematical analysis Algebraic geometry -- Abelian varieties and schemes -- Abelian varieties and schemes Algebraic geometry -- Arithmetic problems. Diophantine geometry -- Arithmetic problems. Diophantine geometry Algebraic geometry -- Curves -- Curves Algebraic geometry -- Surfaces and higher-dimensional varieties -- Surfaces and higher-dimensional varieties Algebraic varieties Functions of a complex variable -- Riemann surfaces -- Riemann surfaces Group theory and generalizations -- Other groups of matrices -- Other groups of matrices Jacobians Manifolds and cell complexes -- Low-dimensional topology -- Low-dimensional topology Rieman surfaces Symmetry (Mathematics)