Stefan Geiss
Professor, coordinator of the Probability group
at the Department of Mathematics and Statistics of the University of Jyväskylä.
Research topics
 Stochastic Analysis
 Interpolation theory
 Backward Stochastic Differential Equations
 Probability in Banach Spaces
Contact

Department of Mathematics and Statistics
P.O.Box 35 (MaD)
FI40014 University of Jyväskylä
Finland
 Email : stefan[dot]geiss[at]jyu[dot]fi
 Office : MaD339
 Phone : +358 408053422
Positions

Since 1.1.2000 (with an interruption due to the position at Innsbruck University):
Professor, Department of Mathematics and Statistics, University of Jyväskylä
 2009  2014 : Professor, Department of Mathematics, University of Innsbruck, Austria
 1995  1999 : Assistant Professor, Mathematical Institute, Jena, Germany
 1987  1995: Assistant, Mathematical Institute, University Jena, Germany
Visiting positions
Research Seminars
 International Seminar on SDEs and Related Topics
 Seminar on Stochastics and PDEs, Department of Mathematics and Statistics, Jyväskylä,
Editorial work
 Associate Editor for Journal of Mathematical Analysis and Applications
 Associate Editor for the journal Stochastic Analysis and Applications
PhD students
 Mika Hujo (Jyväskylä) : Approximation of stochastic integrals (December 2005)
 Anni Toivola (Jyväskylä): On fractional smoothness and approximations of stochastic integrals (2009)
 Rainer Avikainen (Jyväskylä): On generalized bounded variation and approximation of SDEs (2009)
 Heikki Seppälä (Jyväskylä): Interpolation spaces with parameter functions and
L_{2}approximations
of stochastic integrals (2011)  Eija Laukkarinen (Jyväskylä) (with C. Geiss): Stochastic Analysis, Besov spaces and Lévy processes (2012)
 Alexander Steinicke (Innsbruck) (with C. Geiss): BSDEs in the Lévy Model and Malliavin Calculus (2014)
 Juha Ylinen (Jyväskylä): Decoupling on the Wiener space and variational estimates for BSDEs (2015)
 Florian Baumgartner (Innsbruck): Stochastic Analysis and Lévy processes (2015)
 Thuan Nguyen: Weighted BMO, RiemannLiouville Type Operators, and Approximation of Stochastic Integrals in Models with Jumps (2020)
 Jani Nykänen (with C. Geiss, since 2021)
 Xilin Zhou (with P. Koskela, since 2021)
Projects
Organisation of recent events
 31th Jyväskylä Summer School, Jyväskylä, August 2022, Course MA3: Stochastic Modelling and Numerical Tools around the Physics of Complex Flows, Mireille Bossy (Centre Inria Sophia Antipolis Méditerranée, France)
 30th Jyväskylä Summer School, Jyväskylä, August 2021, Course MA3: Differential Calculus on the Wasserstein Space and Mean Field Games, Pierre Cardaliaguet (Dauphine, Paris)
 An Afternoon for Stochastic Analysis and Applications, Department of Mathematics and Statistics, Jyväskylä, December 08, 2020
Organisation of some past conferences
 Workshop on Stochastic Analysis and Related Topics, Jyväskylä 21.22.12.2015
 Workshop on Stochastics, Harmonic Analysis and PDEs, Jyväskylä 19.20.12.2013
 Stochastic Analysis, Lévy processes and (B)SDEs, Innsbruck 03.07.11.2011