Carrassi, A., M. Ghil, A. Trevisan and F. Uboldi, 2008: Data assimilation as a nonlinear dynamical sysem problem: Stability and convergence of the prediction-assimilation system.
Chaos, 18, 023112.

Carrassi, A., A. Trevisan, L. Descamps, O. Talagrand and F. Uboldi, 2008: Controlling instabilities along a 3DVar analysis cycle by assimilating in the unstable subspace: a comparison with the EnKF. Nonlinear Processes in Geophysics, 15, 503-521.

Carrassi, A., S. Vannitsem and C. Nicolis, 2008: Model error and sequential data assimilation: A deterministic formulation. Quart. J. Royal Meteorol. Soc., 134, 1297-1313.

Nicolis, G., V. Balakrishnan and C. Nicolis, 2008: Probabilistic aspects of extreme events generated by periodic and quasi-periodic deterministic dynamics. Stochastics and Dynamics, 8, 115-125.

Nicolis, C. and G. Nicolis, 2008: Irreversible thermodynamics of multi-step transitions. Phys. Rev. E, 77, 051101.

Vannitsem, S., 2008: Dynamical properties of MOS forecasts. Analysis of the ECMWF operational forecasting system. Wea. Forecasting, 23, 1034-1043.

Vannitsem S. et C. Nicolis, 2008: Dynamical properties of Model Output Statistics forecasts. Mon. Wea. Rev., 136, 405-419.