Commutativity of unbounded representations

Sch{ōichi {Ōta
1993 Proceedings of the American Mathematical Society  
We introduce the notion of commutativity for unbounded representations of a *-algebra, and we study integrable or selfadjoint extensions, with a condition of the commutativity, of a representation.
doi:10.1090/s0002-9939-1993-1145950-2 fatcat:tcske2f4i5cbrgsf46lku6dy5i