Cohomological characterizations of projective spaces and hyperquadrics

We confirm Beauville's conjecture that claims that if the p-th exterior power of the tangent bundle of a smooth projective variety contains the p-th power of an ample line bundle, then the variety is either the projective space or the p-dimensional quadric hypersurface.Comment: Added Lemma 2.8 and slightly changed proof of Lemma 6.2 to make them apply for torsion-free sheaves and not only to vector bundle

Holomorphic symplectic geometry: a problem list

A list of open problems on holomorphic symplectic, contact and Poisson manifolds

Cellulose aerogel particles via emulsion technique

International audienc

Micrometric cellulose aerogel particles via emulsion technique

International audienc

Starch aerogels

International audienc

Rheology of cellulose/1,5-diazabicyclo[4.3.0]non-5-enium propionate solutions and shaping into aerogel beads

International audienc

Expérimentation de gestion raisonnée de la Renouée du Japon (Reynoutria japonica)

Expérimentation de gestion raisonnée de la Renouée du Japon (Reynoutria japonica)Expérimentation de gestion raisonnée de la Renouée du Japon (Reynoutria japonica