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math.RT2023
Affine Grassmannians for G_2
Zhihao Zhao
We study affine Grassmannians for the exceptional group of type G_2. This group can be given as automorphisms of octonion algebras (or para-octonion algebras). By using this automo…
math.RT2021
Affine Grassmannians for Triality Groups
Zhihao Zhao
We study affine Grassmannians for ramified triality groups. These groups are of type , so they are forms of the orthogonal or the spin groups in 8 variables. They can be g…