Vector fields and cohomology of G/P -- Complete quotients by algebraic torus actions -- A generalization of a theorem of Horrocks -- Almost homogeneous C* actions on compact complex surfaces -- Weighted projective varieties -- A pathological example of an action of k* -- Properties of projective orbits of actions of affine algebraic groups -- Linearization of reductive group actions -- Holomorphic vector fields and rationality -- Some examples of ?* actions -- The growth function of a discrete group