• Operator semigroups in Banach spaces
• Funktional calculus of sectorial operators
• Intrinsic ultracontractivity of Schrödinger operators
• Gaussian Estimates of operator semigroups
• Lp-independence of the spectrum

• Intrinsic Ultracontractivity for a class of Schroedinger Semigroups by Logarithmic Sobolev inequalities (2026) - Schwerdt, Mill, Hundertmark (preprint)
• Intrinsic Ultracontractivity for a class of Schroedinger Semigroups using Log-Sobolev-inequalities and duality arguments (2026) - Schwerdt, Ouelddris (preprint)

Mo, Tu and Wed from 1 to 2 pm

• 29. ISEM “Eventual Positivity”
• 28. ISEM "Ergodic Structure Theory and Applications"
• 27. ISEM "Harmonic Analysis Techniques for Elliptic Operators" am CIRM (Vortrag)
• 26. ISEM "Graphs and Discrete Dirichlet Spaces"
• 25. ISEM "Spectral Theory for Operators and Semigroups" (talk: "SPECTRA OF SELF-ADJOINT OPERATORS GENERATING SEMIGROUPS THAT
  SATISFY GAUSSIAN ESTIMATES")

• "Spectral properties of the quantum harmonic oscillator" - Master thesis, J. Raßfeld (2022)
• "Basis properties of Fucik-Eigenfunctions" - Bachelor thesis, R. Demko (2023)
• "Study of Gleick-Lorenz systems" - Staatsexamen, A.-K. Jirsch (2024)

Please click here for former classes.

Entertaining and informative findings:

• Numberphile
• Zeno's Dichotomy Paradox
• Hilberts Hotel
• The mystical figure of Nicolas Bourbaki
• Science Cartoons von Sidney Harris