This paper translates Talagrand's QFT perturbation theory into finite-dimensional matrix language, showing that Dyson series, scattering amplitudes, diagram sums, and eigenvector corrections all follow from one resolvent expansion.
Random operators , volume 168
1 Pith paper cite this work. Polarity classification is still indexing.
1
Pith paper citing it
fields
math-ph 1years
2025 1verdicts
UNVERDICTED 1representative citing papers
citing papers explorer
-
A new look at Perturbation Theory in QFT and Resolvent Series
This paper translates Talagrand's QFT perturbation theory into finite-dimensional matrix language, showing that Dyson series, scattering amplitudes, diagram sums, and eigenvector corrections all follow from one resolvent expansion.