F-expansions revisited.- Non-compact dynamical systems.- Ergodic G-induced flows on compact solvmanifolds.- Products of semi-dynamical systems.- Uniqueness of flow solutions of differential equations.- Symbolic dynamics for hyperbolic systems.- Monothetic automorphisms of a compact abelian group.- On the embedding problem and the Hilbert-Smith conjecture.- A group associated with an extension.- The unique ergodigity of the horocycle flow.- How should we define topological entropy?.- Some general dynamical notions.- Group-like decompositions of Riemannian bundles.- Non-minimality of 3-Manifolds.- Examples of ergodic measure preserving transformations which are weakly mixing but not strongly mixing.- Locally connected almost periodic minimal sets.- Choquet theory and ergodic measures for compact group extensions.- The intermediate transformation groups.-