Linear and multilinear algebra; matrix theory Operator theory 2 Algebra 1 Algebraic geometry 1 Algebras, Linear 1 Approximations and expansions 1 Associative rings and algebras 1 more ... Associative rings and algebras {For the commutative case, see 13-XX} 1 Calculus of variations and optimal control; optimization 1 Commutative algebra 1 Ergodic theory 1 Function spaces 1 Functional analysis 1 Functional analysis {For manifolds modeled on topological linear spaces, see 57Nxx, 58Bxx} 1 Functions of a complex variable {For analysis on manifolds, see 58-XX} 1 General topology 1 Geometry, Algebraic 1 Global analysis, analysis on manifolds 1 Mathematics 1 Multilinear algebra 1 Numerical analysis 1 Operations research, mathematical programming 1 Operator spaces 1 Sequences, series, summability 1 Statistics 1 less ...