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BFKL (Balitsky–Fadin-Kuraev-Lipatov) are the authors who first wrote the QCD evolution equation of the same name. BFKL was first published by Fadin, Kuraev and Lipatov in 1976.

For the deep inelastic scattering processes when the total center-of-mass energy is much larger than other scales the large logarithms over such large energy should be sum in all order of perturbative theory. This can be done with the help of BFKL approach.

The BFKL equation predicts the power growth of cross sections with the energy of colliding particles for the deep inelastic scattering processes. It became famous just due to this prediction, since the rapid growth of the virtual photon - proton cross sections was discovered at HERA.