Bogoliubov–Parasyuk theorem

E461418

The Bogoliubov–Parasyuk theorem is a fundamental result in quantum field theory that rigorously establishes a systematic procedure for renormalizing divergent Feynman diagrams.

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Predicate Object
instanceOf result in quantum field theory
theorem
addresses overlapping divergences
subdivergences in Feynman graphs
aimsTo make perturbative renormalization mathematically rigorous
appliesTo divergent Feynman diagrams
perturbative quantum field theory
assumes local quantum field theory
power-counting renormalizability
basisFor BPHZ renormalization scheme
clarifies role of counterterms in renormalization
structure of divergences in Feynman graphs
concerns Feynman integrals
Green functions
renormalized perturbation series
countryOfOrigin Soviet Union
ensures consistency of renormalization procedure
finiteness of renormalized Green functions
field quantum field theory
formulatedBy Nikolay Bogoliubov
linked to: Nikolay Bogolyubov

Oleg Parasyuk
guarantees locality of counterterms
renormalizability order by order in perturbation theory
historicalContext development of quantum electrodynamics
postwar quantum field theory
influenced axiomatic approaches to quantum field theory
modern renormalization theory
language originally published in Russian
mathematicalDiscipline functional analysis
mathematical physics
provides recursive subtraction scheme for divergences
systematic renormalization procedure
relatedConcept counterterm method
normalization conditions
renormalization constants
subtraction schemes in momentum space
relatedTo BPHZ renormalization
Bogoliubov–Parasyuk–Hepp–Zimmermann theorem
Hepp–Zimmermann forest formula
subject Feynman diagrams
renormalization
ultraviolet divergences
timePeriod mid 20th century
typeOf rigorous renormalization theorem
uses R-operation

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Referenced by (4)

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Nikolay Bogolyubov notableWork Bogoliubov–Parasyuk theorem
Bogoliubov–Parasyuk theorem relatedTo BPHZ renormalization
linked to: Bogoliubov–Parasyuk theorem
Bogoliubov–Parasyuk theorem relatedTo Bogoliubov–Parasyuk–Hepp–Zimmermann theorem
linked to: Bogoliubov–Parasyuk theorem
Bogoliubov–Parasyuk theorem basisFor BPHZ renormalization scheme
linked to: Bogoliubov–Parasyuk theorem