Symmetry and Spaces

Preface.- List of Contributors.- Michel Brion: 'Some basis results on actions of non-affine algebraic groups'.- Abraham Broer: 'On Chevalley-Shephard-Todd's theorem in positive characteristic'.-Jonathan Elmer and Peter Fleischmann: 'On the depth of modular invariant rings for the groups $C_p×C_p$'.- Daniel Daigle and Gene Freudenberg: 'Families of affine fibrations'.- Daniel Greb and Peter Heinzner: 'Kählerian reduction in steps'.- Aloysius Helminck: 'On orbit decompositions for symmetric k-varieties'.- Bertram Kostant: 'Root systems for Levi factors and Borel-de Siebenthal theory'.- Hanspeter Kraft and Nolan R Wallach: 'Polarizations and nullcone of representations of reductive groups'.- R. James Shank and David Wehlau: 'Decomposing symmetric powers of certain modular representations of cyclic groups'.- Will Traves: 'Differential operators on Grassmann varieties'.