Mathematical Sciences Classification System
46Kxx - Topological (rings and) algebras with an involution 
[See also  16W10]
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                            46K05General theory of topological algebras with involution
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                            46K10Representations of topological algebras with involution
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                            46K15Hilbert algebras
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                            46K50Nonselfadjoint (sub)algebras in algebras with involution
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                            46K70
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                            46K99None of the above, but in this section