Commutative Banach algebras and commutative topological algebras Distributions, generalized functions, distribution spaces Inner product spaces and their generalizations, Hilbert spaces Linear function spaces and their duals Measures, integration, derivative, holomorphy (all involving infinite-dimensional spaces) Methods of category theory in functional analysis Miscellaneous applications of functional analysis Nonlinear functional analysis Normed linear spaces and Banach spaces; Banach lattices Other (nonclassical) types of functional analysis Selfadjoint operator algebras (\(C^*\)-algebras, von Neumann (\(W^*\)-) algebras, etc.) Topological algebras, normed rings and algebras, Banach algebras Topological linear spaces and related structures Topological (rings and) algebras with an involution