Irreversibility and nonlinearity (from the fundamental aspects of the microscopic phenomena to the applications).

Generalization of the mathematical characterization of large non integrable Poincare systems with dense resonances to relativistic classical systems. Extension of Markov semiÑgroups to Kolmogorov fluxes. Research of a "classical Zeno time" in classical chaos. Quantum mechanics in "rigged" Hilbert space.