On the complexity of the description of $*$-algebra representations by unbounded operators

Lyudmila Turowska
2002 Proceedings of the American Mathematical Society  
We study the complexity of the problem to describe, up to unitary equivalence, representations of * -algebras by unbounded operators on a Hilbert space. A number of examples are developed in detail.
doi:10.1090/s0002-9939-02-06525-5 fatcat:fytlvqpkeja5vb2lp2vopawz3a