Cominuscule subvarieties of flag varieties
arXiv:2002.08193
Abstract
We show that every flag variety contains a naturally defined homogeneous cominuscule subvariety. From the Dynkin diagram of the flag variety, we compute the Dynkin diagram of that subvariety.
67 pages in A4 paper; the tex files are in my github page https://github.com/Ben-McKay/cominiscule-varieties