Control and Optimization with PDE Constraints

Symmetrization and Stabilization of Solutions of Nonlinear Elliptic Equations

Scaling of Differential Equations

Classical Mechanics with Calculus of Variations and Optimal Control: An Intuitive Introduction

Functional Analysis and Approximation: Proceedings of the Conference held at the Mathematical Research Institute at Oberwolfach, Black Forest, August 9–16, 1980

Multivariate Approximation Theory II: Proceedings of the Conference held at the Mathematical Research Institute at Oberwolfach, Black Forest, February 8–12, 1982

Bifurcation and Chaos: Analysis, Algorithms, Applications

Computational Optimal Control

Multigrid Methods IV: Proceedings of the Fourth European Multigrid Conference, Amsterdam, July 6–9, 1993