Avery St. DizierFourth year Ph.D. student studying algebraic combinatorics at Cornell University.Email: ajs624 at cornell dot edu My advisor is Karola Meszaros. |
From generalized permutahedra to Grothendieck polynomials via flow polytopes (joint with Karola Meszaros)
Schubert polynomials as integer point transforms of generalized permutahedra (joint with Karola Meszaros and Alex Fink, to appear in Advances in Mathematics)
Slides for my talk at the UIUC Algebra-Geometry-Combinatorics Seminar in October 2018
Slides for my talk at the 2018 Formal Power Series and Algebraic Combinatorics at Dartmouth University
Slides for my talk at the 2017 Graduate Student Combinatorics Conference at the University of Kansas
A Mathematica package SchubertPolynomials` for working with permutations, pipe dreams, and Schubert, key, and Grothendieck polynomials, and more; and a notebook demonstration.
A Mathematica package DegreeSequences` for working with reduction trees and degree sequences of graphs; and a notebook demonstration.
A Mathematica package SagePolytopes` for interfacing with a local copy of Sage to incorporate some Sage polytope functionality into Mathematica; and a notebook demonstration.