Bogoliubov-Parasyuk theorem

proper noun

A theorem in quantum field theory, stating that renormalized Green's functions and matrix elements of the scattering matrix (S-matrix) are free of ultraviolet divergencies.

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Meanings

proper nounthe Bogoliubov-Parasyuk theorem
  1. natural sciencesA theorem in quantum field theory, stating that renormalized Green's functions and matrix elements of the scattering matrix (S-matrix) are free of ultraviolet divergencies.

Origin

Proved by Nikolay Bogoliubov and Ostap Parasyuk in 1955.

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Cite this entry
APA

Bogoliubov-Parasyuk theorem. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/Bogoliubov-Parasyuk%20theorem

MLA

“Bogoliubov-Parasyuk theorem.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/Bogoliubov-Parasyuk%20theorem. Accessed November 5, 2026.

Chicago

WatkinsX Dictionary, s.v. “Bogoliubov-Parasyuk theorem,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/Bogoliubov-Parasyuk%20theorem.

Source: Bogoliubov-Parasyuk theorem on Wiktionary, CC BY-SA 4.0.