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Journal of the Australian Mathematical Society - Series A
Vol. 65 Part 3 (1998)

An algebraic approach to Wigner's unitary-antiunitary theorem

Lajos Molnár
Institute of Mathematics
Lajos Kossuth University
4010 Debrecen, P.O.Box 12
Hungary
e-mail: molnarl@math.klte.hu

Abstract:

We present an operator algebraic approach to Wigner's unitary-antiunitary theorem using some classical results from ring theory. To show how effective this approach is, we prove a generalization of this celebrated theorem for Hilbert modules over matrix algebras. We also present a Wigner-type result for maps on prime C*-algebras.

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© Copyright 1998, Australian Mathematical Society
TeXAdel Scientific Publishing
1998-09-18