theoretical aspects of complex dynamics, nonlinear stochastic processes.
the relationship between dynamics and statistical physics, nonequilibrium statistical physics and fluctuation theorems extreme events
novel concepts for time series analysis, essentially based on the idea of reconstruction of a state space from observations. Time series software package TISEAN
data analysis, modeling, and prediction in atmospheric physics: ensemble forecasts, skill scores, systematic errors, effects of long range correlations, identification of trends
Recent projects
Ultraslow diffusion in the Sinai model (A. Padash et al.)
Non-Markovian stochastic model for the prediction of first frost (J. Kassel)
CAFE Project ESR5: ENSO and precipitation extremes (X. Hu)
CAFE Project ESR6: European heat waves (E. Rouges at ECMWF Reading)
Data model for mid-European precipitation time series (K. Polotzek)
Scale dependent error growth and strictly finite prediction horizons in weather forecasts (H. Bednar)
Oceanic transport and its modeling by fractional Brownian motion (A. Padash, I. Janosi)
Network analysis of the sphaera book corpus (M. Zamani with A. Valleriano and his group at MPI History of Science, Berlin)