Matrix theory 4 Mathematics 3 Abstract harmonic analysis -- Instructional exposition (textbooks, tutorial papers, etc.) 1 Differentiable dynamical systems 1 Dynamics 1 Finite mathematics 1 Functional analysis -- Instructional exposition (textbooks, tutorial papers, etc.) 1 Functional equations 1 Harmonic analysis on Euclidean spaces -- Instructional exposition (textbooks, tutorial papers, etc.) 1 Linear and multilinear algebra; matrix theory -- Instructional exposition (textbooks, tutorial papers, etc.) 1 Linear and multilinear algebra; matrix theory -- Special matrices -- Random matrices 1 Linear and multilinear algebra; matrix theory -- Special matrices -- Sign pattern matrices 1 Mathematical analysis 1 Mathematical models 1 Measure and integration -- Instructional exposition (textbooks, tutorial papers, etc.) 1 Microwave circuits,Microwave communication systems,S-matrix theory 1 Normal Distribution 1 Probability theory and stochastic processes -- Probability theory on algebraic and topological structures -- Random matrices (probabilistic aspects; for algebraic aspects see 15B52) 1 Probaility 1 Random matrices 1 Real functions -- Instructional exposition (textbooks, tutorial papers, etc.) 1 Spinor theory 1 Statistics 1 Topological groups, Lie groups -- Locally compact abelian groups (LCA groups) -- General properties and structure of LCA groups 1