2 papers
math.AG2003
Equivariant twisted inverse without equivariant compactification
Mitsuyasu Hashimoto
An equivariant version of the twisted inverse pseudofunctor is defined, and equivariant versions of some important properties, including the Grothendieck duality of proper morphism…
math.AC2003
"Geometric quotients are algebraic schemes" based on Fogarty's idea
Mitsuyasu Hashimoto
Let S be a Noetherian scheme, f:X->Y a surjective S-morphism of S-schemes, with X of finite type over S. We discuss what makes Y of finite type. First, we prove that if S is excell…