退化旗簇与舒伯特簇：一种无特征方法
表示论
2016-09-07 v3 代数几何
摘要
我们考虑整数上A型和C型不可约最高权模的PBW滤子。我们证明相关的分次模可以实现为同类型且秩加倍的群概型的Demazure模。我们推断出相应的退化旗簇在任意特征下都同构于舒伯特簇。
引用
@article{arxiv.1502.04590,
title = {Degenerate flag varieties and Schubert varieties: a characteristic free approach},
author = {Giovanni Cerulli Irelli and Martina Lanini and Peter Littelmann},
journal= {arXiv preprint arXiv:1502.04590},
year = {2016}
}
备注
23 pages; A few typos corrected; Authors affiliation added