目次

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.