2 papers
math.AG2025
Splicing braid varieties
Eugene Gorsky, Soyeon Kim, Tonie Scroggin +1
For a positive braid , we consider the braid variety . We define a family of open sets in , where is a permut…
math.AG2025
Splicing skew shaped positroids
Eugene Gorsky, Soyeon Kim, Tonie Scroggin +1
Skew shaped positroids (or skew shaped positroid varieties) are certain Richardson varieties in the flag variety that admit a realization as explicit subvarieties of the Grassmanni…