Ring theory and algebraic geometry : proceedings of the fifth international conference (SAGA V) in León, Spain

focuses On The Interaction Between Algebra And Algebraic Geometry, Including High-level Research Papers And Surveys Contributed By Over 40 Top Specialists Representing More Than 15 Countries Worldwide. Describes Abelian Groups And Lattices, Algebras And Binomial Ideals, Cones And Fans, Affine And Projective Algebraic Varieties, Simplicial And Cellular Complexes, Polytopes, And Arithmetics. booknews the Contributors Of The 20 Papers Are Overwhelmingly From Spain, But Others Are From Elsewhere In Europe, And Two Each From The Us And Morocco. Their Topics Include A Unified Approach To Robenius And Maschke Type Theorems For Doi-hopf Modules And Entwined Modules, Some Problems About Nilpotent Lie Algebras, Toric Mathematics From A Semigroup Viewpoint, The Local Case Of Canonical Forms For Linear Dynamical Systems Over Commutative Rings, Invariants Of Coalgebras, The Krull-schnidt Theorem And Semilocal Endomorphism Rings, Old And New Minimal Injective Resolutions, And The Existence Of Euler Vector Fields For Curves With The Binomial Ideal. There Is No Index. Annotation C. Book News, Inc., Portland, Or (booknews.com) Focusing on the interaction between algebra and algebraic geometry, this work includes research papers and surveys contributed by more than 40 specialists. It describes abelian groups, lattices, algebras, binomial ideas, cones and fans, affine and projective algebraic varieties, simplicial and cell. This book focuses on the interaction between algebra and algebraic geometry, including high-level research papers and surveys. It describes abelian groups and lattices, algebras and binomial ideals, cones and fans, simplicial and cellular complexes, polytopes, and arithmetics. We study when induction functors (and their adjoints) between categories of Doi-Hopf modules and, more generally, entwined modules are separable, resp. Frobenius.