## The Star Product in Interacting Quantum Field Theory

Research output: Working paper

Publication date | 29 Dec 2016 |
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Original language | English |
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We provide a direct formula for the interacting star product in perturbative Algebraic Quantum Field Theory. Our expression is non-perturbative in the coupling constant and is well defined on a regular interaction and observables. We also discuss perturbative agreement and perspectives for renormalization.

37 pages

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