TY - JOUR AU - Ramadoss, Ajay C. TI - On the nonexistence of certain morphisms from Grassmannian to Grassmannian in characteristic $0$ JO - Documenta mathematica PY - 2009 SP - 67 EP - 113 VL - 14 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DOCMA_2009__14__a24/ LA - en ID - DOCMA_2009__14__a24 ER -