Haralampos Geranios, Alexander Kleshchev, Lucia Morotti
Published 2020-06-23Version 1
A conjecture going back to the eighties claims that there are no non-trivial self-extensions of irreducible modules over symmetric groups if the characteristic of the ground field is not equal to $2$. We obtain some partial positive results on this conjecture.
The complexities of some simple modules of the symmetric groups
Embeddings of homogeneous spaces into irreducible modules
Comparison of Gelfand-Tsetlin Bases for Alternating and Symmetric Groups
![QR code for arXiv:2006.12961 [math.RT]](http://oss.arxitics.com/images/favicon.svg)