4 papers
Degenerations in tropical compactifications and tropical intersection theory of
Sean T. Griffin, Jake Levinson, Rohini Ramadas +1
The main result of this paper is a formula for the limit cycle of a 1-parameter family of subvarieties of a tropical compactification, expressed in terms of tropical intersections.…
On Macdonald expansions of -chromatic symmetric functions and the Stanley-Stembridge Conjecture
Sean T. Griffin, Anton Mellit, Marino Romero +2
The Stanley-Stembridge conjecture asserts that the chromatic symmetric function of a -free graph is -positive. Recently, Hikita proved this conjecture by giving an explic…
A geometric interpretation of the Delta Conjecture
Maria Gillespie, Eugene Gorsky, Sean T. Griffin
We introduce a variety , which we call the \textit{affine -Springer fiber}, generalizing the affine Springer fiber studied by Hikita, whose Borel-Moore homology has an…
Irreducible components of two-column -Springer fibers
Joshua P. Connor, Sean T. Griffin, Kavish A. Purohit
The -Springer fibers , introduced by Levinson, Woo, and the second author, generalize Springer fibers for and give a geometric interpret…