- Centre Hospitalier Universitaire de BesançonFR1 paper
- Laboratoire de Mathématiques de BesançonFR1 paper
- Observatoire des Sciences de l’Univers Terre Homme Environnement Temps AstronomieFR1 paper
- University of California, BerkeleyUS1 paper
- University of MinnesotaUS1 paper
- University of New BrunswickCA1 paper
3 papers
math.CO2005
Generalized descent algebras
Cedric Bonnafe, Christophe Hohlweg
If is a subset of the set of reflections of a finite Coxeter group , we define a sub--module of the group algebra . We pro…
math.AG2004
When is a Schubert variety Gorenstein?
Alexander Woo, Alexander Yong
A (normal) variety is Gorenstein if it is Cohen-Macualay and its canonical sheaf is a line bundle. This property, which measures the ``pathology'' of the singularities of a variety…
math.CO2004
Graded left modular lattices are supersolvable
Hugh Thomas
We provide a direct proof that a finite graded lattice with a maximal chain of left modular elements is supersolvable. This result was first established via a detour through EL-lab…