Regular perturbations, Brillouin-Wigner expansion, and continued fractions

DOI10.1063/1.1666677zbMath0277.47022OpenAlexW2026177594MaRDI QIDQ4403354

Sandro Graffi

Publication date: 1974

Published in: Journal of Mathematical Physics (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1063/1.1666677

Mathematics Subject Classification ID

Perturbation theory of linear operators (47A55) Linear symmetric and selfadjoint operators (unbounded) (47B25)

Cites Work

• Approximate vacuums in \(( : \phi^{2m} : g(x))_ 2\) field theories and perturbation series
• Summability Methods in Perturbation Theory

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