Variational Methods for Evolution

  • Alexander Mielke

    Weierstraß-Institut für Angewandte Analysis und Stochastik, Berlin, Germany
  • Mark A. Peletier

    Eindhoven University of Technology, Netherlands
  • Dejan Slepčev

    Carnegie Mellon University, Pittsburgh, USA
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Variational principles for evolutionary systems take advantage of the rich toolbox provided by the theory of the calculus of variations. Such principles are available for Hamiltonian systems in classical mechanics, gradient flows for dissipative systems, but also time-incremental minimization techniques for more general evolutionary problems. The new challenges arise via the interplay of two or more functionals (e.g. a free energy and a dissipation potential), new structures (systems with nonlocal transport, gradient flows on graphs, kinetic equations, systems of equations) thus encompassing a large variety of applications in the modeling of materials and fluids, in biology, in multi-agent systems, and in data science.

This workshop brought together a broad spectrum of researchers from calculus of variations, partial differential equations, metric geometry, and stochastics, as well as applied and computational scientists to discuss and exchange ideas. It focused on variational tools such as minimizing movement schemes, optimal transport, gradient flows, and large-deviation principles for time-continuous Markov processes, -convergence and homogenization.

Cite this article

Alexander Mielke, Mark A. Peletier, Dejan Slepčev, Variational Methods for Evolution. Oberwolfach Rep. 17 (2020), no. 2/3, pp. 1391–1467

DOI 10.4171/OWR/2020/29