The large limit of QCD on the lattice.

Abstract

We review recent progress in the study of the large N_c limit of gauge theories from lattice simulations. The focus is not only the planar limit but also the size of {{mathcal {O}}}(N_c^{-1}) corrections for values of N_cgtrsim 3. Some concrete examples of the topics we include are tests of large-N_c factorization, the topological susceptibility, the glueball, meson and baryon spectra, the chiral dependence of masses and decay constants, and weak matrix elements related to the varDelta I=1/2 rule in kaon decays.