65 citations · 341 across the 62 of their papers we have counts for
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hep-th2020
Anti-BRST in the Causal Approach
D. R. Grigore
It is known that the elimination of the anomalies in all orders of perturbation theory is an open problem. The constrains given by usual invariance properties and the Wess-Zumino i…
hep-th2020
Factorization Formulas for Tree Amplitudes
D. R. Grigore
We present a coordinate space version of the factorization formula for the connected tree part of the chronological products. We consider a general framework and then we apply it f…
hep-th2020
Triangle (Causal) Distributions in the Causal Approach
D. R. Grigore
The tensor Feynman amplitudes are reduced to scalar integrals by a procedure of Passarino and Veltman. We provide an alternative approach based on the causal formalism.