Functional Analysis and PDE

Organisers Speakers Program Abstracts Venue Registration Contact

The workshop is organized by the Institute for Analysis. It is held on the occasion of apl. Prof. Kunstmann's recent sixtieth birthday and in honor of his rich contributions to the functional analysis and PDEs. The workshop brings together internationally renowned experts in the areas of functional analysis, spectral theory, and PDEs as well as colleagues, friends and students of Prof. Kunstmann.

Organisers

Dorothee Frey (Karlsruhe Institute of Technology, Germany)

Dirk Hundertmark (Karlsruhe Institute of Technology, Germany)

Tobias Lamm (Karlsruhe Institute of Technology, Germany)

Kaori Nagato-Plum (Karlsruhe Institute of Technology, Germany)

Speakers

Wolfgang Arendt (University of Ulm, Germany)

Dorothee Frey (Karlsruhe Institute of Technology, Germany)

Gerd Herzog (Karlsruhe Institute of Technology, Germany)

Bernhard Haak (Université de Bordeaux, France)

Markus Haase (Kiel University (CAU), Germany)

Matthias Hieber (TU Darmstadt, Germany)

Hideo Kozono (Waseda University / Tohoku University, Japan)

Sylvie Monniaux (Aix-Marseille Université, France)

El Maati Ouhabaz (Université de Bordeaux, France)

Roland Schnaubelt (Karlsruhe Institute of Technology, Germany)

Lutz Weis (Karlsruhe Institute of Technology, Germany)

Program

Tuesday
Oct. 14, 2025
13:00 - 14:00	Registration
14:00 - 14:15	Opening
14:15 - 14:50	Wolfgang Arendt: Variational Solutions of the Dirichlet Problem: Lebesgue's cusp, non-local properties and elliptic operators
14:55 - 15:30	Sylvie Monniaux: A Leibniz-type magic formula
15:30 - 16:00	Coffee Break
16:00 - 16:30	Roland Schnaubelt: Growth and instability of semilinear evolution equations
16:35 - 17:05	Dorothee Frey: Multiplication operators on Hardy spaces for Fourier integral operators

Wednesday
Oct. 15, 2025
09:30 - 10:15	Matthias Hieber: Analysis of Liquid Crystal Flows
10:20 - 10:55	El Maati Ouhabaz: A weak type (p₀, a) criterion for operators, and applications
10:55 - 11:25	Coffee Break
11:25 - 12:00	Markus Haase: Vector-valued holomorphic functions and abstract Fubini-type theorems
12:05 - 12:35	Bernhard Haak: Curved Ingham inequalities with applications to the toroidal Schrödinger equation
Afternoon	City Tour

Thursday
Oct. 16, 2025
09:30 - 10:15	Hideo Kozono: Stability of an equilibrium state of the 3D MHD equations
10:20 - 10:50	Gerd Herzog: Perron-Frobenius in Ordered Banach Algebras
10:55 - 11:30	Lutz Weis: Regularity Estimates for Parabolic Evolution Equations and the Absolute Functional Calculus
11:40 -	Closing