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    • Brick Varieties And Toric Matrix Schubert Varieties 

      Escobar Vega, Laura (2015-05-24)
      In the first part of this thesis we study brick varieties which are fibers of the Bott-Samelson varieties. Bott-Samelson varieties are a twisted product of CP1 's with a map into G/B. These varieties are mostly studied in ...