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math.RT2025
Type AIII orbits in the affine flag variety of type A
Kam Hung Tong
Matsuki and Oshima introduced the notion of clans, which are incomplete matchings with positive or negative signs on isolated vertices. They discovered that clans parametrise -o…
math.RT2024
Orthogonal and symplectic orbits in the affine flag variety of type A
Kam Hung Tong
It is a classical result that the set is finite, where is a reductive algebraic group over an algebraically closed field with characteristic not equal to two…