We study Ext-groups in the category of strict polynomial functors. The main result is a computation of the Ext-groups
between twisted Weyl and Schur functors for a large class of Young diagrams.
@article{1251832591,
author = {Cha\l upnik, Marcin},
title = {Extensions of Weyl and Schur functors},
journal = {Homology Homotopy Appl.},
volume = {11},
number = {1},
year = {2009},
pages = { 27-48},
language = {en},
url = {http://dml.mathdoc.fr/item/1251832591}
}
Chałupnik, Marcin. Extensions of Weyl and Schur functors. Homology Homotopy Appl., Tome 11 (2009) no. 1, pp. 27-48. http://gdmltest.u-ga.fr/item/1251832591/