Variational systems, an introduction -- Extension of the class of Markov controls -- Limit laws for multifunctions applied to an optimization problem -- Variational properties of EPI-convergence, applications to limit analysis problems in mechanics and duality theory -- Slow and heavy viable trajectories of controlled problems. Smooth viability domains -- A new class of evolution equation in a Hilbert space -- A fixed point theorem for subsets of L1 -- Modelling sets -- On a definition of ?-convergence of measures -- Strong laws of large numbers for multivalued random variables -- Approaches to weak convergence -- Critical points and evolution equations -- Decomposability as a substitute for convexity -- Multifunctions associated with parameterized classes of constrained optimization problems -- Continuity of measurable convex multifunctions -- Some bang-bang theorems