Asymptotic behavior of a class of non-autonomous degenerate parabolic equations

We investigate the asymptotic behavior of solutions of a class of non-autonomous degenerate parabolic equations on RnRn with unbounded external forcing terms. The existence of a pullback global attractor is proved in L2(Rn)⋂Lp(Rn)⋂W1,r(Rn)L2(Rn)⋂Lp(Rn)⋂W1,r(Rn) for any p≥r≥2p≥r≥2.