2 papers
math.CO2026
A quasisymmetric analog of Grassmannian Schubert varieties
Teddy Gonzales, Tuong Le, Chayim Lowen
We show that the cohomology rings of toric Richardson varieties in the Grassmannian are finite truncations of the ring of quasisymmetric functions. We exhibit an affine paving of e…
math.AG2026
Structural properties of Białynicki-Birula decompositions
Teddy Gonzales, Chayim Lowen
We investigate several aspects of the Bialynicki-Birula decomposition of a smooth complete -variety with finite fixed locus. Our results include novel characterizatio…