Abstract:We prove $H^{1}_{loc}$-regularity for the stresses in the Prandtl-Reuss-law. The proof runs via uniform estimates for the Norton-Hoff-approximation.
Keywords: elasto-plasticity, regularity, variational inequalities
AMS Subject Classification: 35A15, 35D10, 35J45, 35J50, 35K65, 35K85, 35Q72, 73E50