Feynman diagrams and Wick products associated with q-Fock space.
It is shown that if one keeps track of crossings, Feynman diagrams can be used to compute the q-Wick products and usual operator products in terms of each other.
Effros
Edward G
EG
Department of Mathematics, University of California, Los Angeles, CA 90095-1555, USA. ege@math.ucla.edu
Popa
Mihai
M