Standard monomial theory for wonderful varieties
Paolo Bravi, Rocco Chirivì, Jacopo Gandini, Andrea Maffei
Paper2015-04-09English
game theory economicsarxiv
Description
A general setting for a standard monomial theory on a multiset is introduced and applied to the Cox ring of a wonderful variety. This gives a degeneration result of the Cox ring to a multicone over a partial flag variety. Further, we deduce that the Cox ring has rational singularities.