Seminario del 2022

2022
06 aprile
Allen Knutson
Seminario di algebra e geometria
This mini-course will tie together several topics, in approximately the following order. Very little background will be assumed, essentially basic commutative algebra, though exposure to Gröbner bases would probably be a bonus. 1. Schubert varieties, matrix Schubert varieties, and pipe dreams 2. Frobenius splitting, Kazhdan-Lusztig varieties, and quiver cycles 3. Positroid varieties, Bruhat atlases, and wonderful compactifications of group

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