Mathematical analysis 3 Functions of real variables 2 Topology 2 Algebra, Abstract 1 Banach spaces 1 Boundary value problems 1 Calculus of tensors 1 Differential equations, Partial 1 Domains of holomorphy 1 Foundations 1 Fourier transformations 1 Functions of complex variables 1 Functions of several complex variables 1 Gamma functions 1 Geometry 1 Hilbert space 1 History 1 Holomorphic functions 1 MATHEMATICS / Algebra / Abstract 1 MATHEMATICS / Functional Analysis 1 MATHEMATICS / Geometry / General 1 Mathematical optimization 1 Mathematics 1 Matroids 1 Pascal (Computer program language) 1 Permutation groups 1 Problem solving. Mathematics -- Problems, exercises, etc. Mathematics 1 Tensor algebra 1 Toposes 1 Variational principles 1