Extensions of Weyl and Schur functors
Chałupnik, Marcin
Homology Homotopy Appl., Tome 11 (2009) no. 1, p. 27-48 / Harvested from Project Euclid
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.
Publié le : 2009-05-15
Classification:  Ext-groups,  Schur functor,  18G15,  20G10,  20G15
@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/