34 citations
- Lyon 1 UniversitéFR15 papers
- Bouygues (France)FR7 papers
- International Center for Transitional JusticeUS7 papers
- Centre National de la Recherche ScientifiqueFR4 papers
- Nankai UniversityCN3 papers
- Carleton UniversityCA1 paper
- Computer Algorithms for MedicineAT1 paper
- Délégation Paris 7FR1 paper
- Hebrew University of JerusalemIL1 paper
- Institut de Mathématiques de Jussieu-Paris Rive GaucheFR1 paper
- Institute for Global DialogueZA1 paper
- Institut FourierFR1 paper
17 papers · 1 filter
N-free extensions of posets.Note on a theorem of P.A.Grillet
Maurice Pouzet, Nejib Zaguia
Let be the poset obtained by adding a dummy vertex on each diagonal edge of the 's of a finite poset . We show that is -free. It follows th…
Demonstration de la conjecture de Dumont
Bodo Lass
Dumont has conjectured a marvellous identity, which generalizes, in particular, the classical results of Lagrange, Gauss, Jacobi and Kronecker on the sums of two, three and four sq…
Cohomologie des fibrés en droites sur les variétés magnifiques de rang minimal
Alexis Tchoudjem
The Borel-Weil-Bott theorem describes the cohomology of line bundles over flag varieties. Here, one generalizes this theorem to a wider class of projective varieties : the wonderfu…
From triangulated categories to cluster algebras
Philippe Caldero, Bernhard Keller
The cluster category is a triangulated category introduced for its combinatorial similarities with cluster algebras. We prove that a cluster algebra A of finite type can be realize…
Positivity results for the Hecke algebras of non-crystallographic finite Coxeter groups
Fokko Du Cloux
This paper is a report on a computer check of some positivity properties of the Hecke algebra in type H4, including the non-negativity of the coefficients of the structure constant…
Relative Kazhdan--Lusztig cells
Meinolf Geck
In this paper, we study the Kazhdan--Lusztig cells of a Coxeter group in a ``relative'' setting, with respect to a parabolic subgroup . This relies on a factor…