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- 1Affine Weyl Group
- 1Maximal Singularities
- 1Orbit Closures
- 1Pattern Avoidance
- 1Peterson Translates
- 1Rational Smoothness
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Spring 2021
Let G be a semi-simple algebraic group over the complex numbers, B a Borel subgroup, and T a maximal torus contained in B. In the first part of this thesis, we examine the singular loci of rationally smooth T-orbit closures X (of some point x) in the flag variety G/B in types A and D. In type A,...
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