Mathematical Physics and Quantum Field Theory
Electron. J. Diff. Eqns., Conf. 04, 2000, pp. 23-35.

Extension techniques in C*-cross Products by compact group duals and in quantum field theory

Roberto Conti & Claudio D'Antoni

Abstract:
Using the methods developed in a previous paper, we consider the problem of extending endomorphisms to cross-product by compact group duals. Then we discuss some other applications to quantum field theory, mainly in connection with PCT symmetries.

Published July 12, 2000.
Mathematics Subject Classifications: 81T05, 46L60.
Key words: C*-crossed products, quantum field theory.

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Roberto Conti
Dipartimento di Matematica
Università di Roma "Tor Vergata"
Via della Ricerca Scientifica
I--00133 Roma, Italy
e-mail: conti@axp.mat.uniroma2.it
Claudio D'Antoni
Dipartimento di Matematica
Università di Roma "Tor Vergata"
Via della Ricerca Scientifica
I--00133 Roma, Italy
e-mail: dantoni@axp.mat.uniroma2.it

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