The time optimal control of variational inequalities. dynamic programming and the maximum principle -- Some singular perturbation problems arising in stochastic control -- Some results on stationary Bellman equation in Hilbert spaces -- A stochastic control approach to some large deviations problems -- Towards an expert system in stochastic control: Optimization in the class of local feedbacks -- Optimal control and viscosity solutions -- Some control problems of degenerate diffusions with unbounded cost -- On some stochastic optimal impulse control problems -- Approximation of Hamilton-Jacobi-Bellman equation in deterministic control theory. An application to energy production systems -- Dynamic programming for optimal control problems with terminal constraints.