Linus Setiabrata

activity

20172025

most citedOn the support of Grothendieck polynomials

1 citations · 2 across the 5 of their papers we have counts for

collaborators

Showing 2020Show all

2 papers · 1 filter

math.CO2020

An orthodontia formula for Grothendieck polynomials

Karola Mészáros, Linus Setiabrata, Avery St. Dizier

We give a new operator formula for Grothendieck polynomials that generalizes Magyar's Demazure operator formula for Schubert polynomials. Our proofs are purely combinatorial, contr…

math.CO2020

Faces of root polytopes

Linus Setiabrata

We completely characterize the faces of the root polytope $Q ~_{G} = conv {0, e_{i} - e_{j} (i, j) \in E (G)}$ combinatorially. Our results specializ…