DGLAP
Encyclopedia
DGLAP are the authors who first wrote the QCD
Quantum chromodynamics
In theoretical physics, quantum chromodynamics is a theory of the strong interaction , a fundamental force describing the interactions of the quarks and gluons making up hadrons . It is the study of the SU Yang–Mills theory of color-charged fermions...

 evolution equation of the same name. DGLAP was first published in the western world by Altarelli and Parisi in 1977, hence DGLAP and its specialisations are sometimes still called Altarelli-Parisi equations. Only later did it become known that an equivalent formula had been published in Russia by Dokshitzer also in 1977 and Gribov and Lipatov already in 1972.

The DGLAP QCD evolution equations are widely used in global determinations of parton
Parton (particle physics)
In particle physics, the parton model was proposed by Richard Feynman in 1969 as a way to analyze high-energy hadron collisions. It was later recognized that partons describe the same objects now more commonly referred to as quarks and gluons...

 distributions, like those from the CTEQ or NNPDF
NNPDF
NNPDF is used to denote the parton distribution functions from the NNPDF Collaboration.The NNPDF approach can be divided into four main steps...

Collaborations.
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