A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2019; you can also visit the original URL.
The file type is
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