Electronic Journal of Differential Equations,
Conference 04 (2000), pp. 23-35.

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

Authors: Roberto Conti (Univ.  di Roma "Tor Vergata", Italy)
   Claudio D'Antoni (Univ.  di Roma "Tor Vergata", Italy)
 
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.
Math Subject Classifications: 81T05, 46L60.
Key Words: C*-crossed products; quantum field theory.