Calculus of Variations and PDEs

• Partial regularity for elliptic and parabolic systems
• Singular sets
• Boundary regularity problems
• p-harmonic and caloric approximations
• Calderón-Zygmund theory of parabolic systems
• Degenerate elliptic and parabolic systems

Geometric Measure Theory

• Partial regularity for minimal- resp. H-surfaces
• Regularity theory for elliptic integrands

Geometric Analysis

• Classical minimal surfaces and H-surfaces
• Harmonic maps
• Conformally invariant variational problems

• Publications
• Preprints
• Theses
• Research period