Nonlinear partial differential equations, free boundary value problems,
pseudodifferential operator methods
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The main research direction is the mathematical analysis of nonlinear
partial differential equations, which mainly come from fluid mechanics
and the material sciences. A main focus is on the analysis of free
boundary value problems and related geometric evolution equations. In
particular, questions of well posedness and regularity as well as the
qualitative of solutions are studied. To this end a large variety of
different methods are used and further devoloped, which stem from
functional analysis, harmonic analysis and (geometric) measure theory. |