TY - GEN A1 - Herzog, Roland A1 - Meyer, Christian A1 - Wachsmuth, Gerd T1 - B- and Strong Stationarity for Optimal Control of Static Plasticity with Hardening T2 - SIAM Journal on Optimization N2 - Optimal control problems for the variational inequality of static elastoplasticity with linear kinematic hardening are considered. The control-to-state map is shown to be weakly directionally differentiable, and local optimal controls are proved to verify an optimality system of B-stationary type. For a modified problem, local minimizers are shown to even satisfy an optimality system of strongly stationary type. KW - mathematical programs with complementarity constraints in function space KW - variational inequalities of first kind KW - elastoplasticity KW - Bouligand and strong stationarity Y1 - 2013 U6 - https://doi.org/10.1137/110821147 SN - 1052-6234 SN - 1095-7189 VL - 23 IS - 1 SP - 321 EP - 352 ER -