Small x evolution: BFKL vs Dipole Picture

Abstract

The relation between the two approaches is discussed both in the linear and nonlinear regimes. It is connected to the gauge invariance and Moebius symmetry in LL perturbative QCD. First corrections beyond the large N approximation are discussed for the nonlinear case.

Comments: 4 pages, 1 figure; Proceedings of Diffraction 2004, 13-18 september 2004, Cala Gonone, Sardinia, Italy