46-XX Functional analysis [For manifolds modeled on topological linear spaces, see 57Nxx, 58Bxx] 46Hxx Topological algebras, normed rings and algebras, Banach algebras [For group algebras, convolution algebras and measure algebras, see 43A10, 43A20] 46H20 Structure, classification of topological algebras
46Hxx Topological algebras, normed rings and algebras, Banach algebras [For group algebras, convolution algebras and measure algebras, see 43A10, 43A20]