2 papers
math.CT2009
Fonctorial Construction of Frobenius Categories
Vincent Beck
Let $\Ascr,\Bscr$ be exact categories with $\Ascr$ karoubian and be an exact functor. Under suitable adjonction hypotheses for , we are able to show that the direct factors…
math.GR2009
Exterior Algebra Structure for Relative Invariants of Reflection Groups
Vincent Beck
Let be a reflection group acting on a vector space (over a field with zero characteristic). We denote by the coordinate ring of , by a finite dimensional $G…