2 papers
math.CO2025
When do Schubert polynomial products stabilize?
Andrew Hardt, David Wallach
The "back-stabilization number" for products of Schubert polynomials is the distance the corresponding permutations must be shifted before the structure constants stabilize. We giv…
math.CO2025
Stability of products of double Grothendieck polynomials
Andrew Hardt, David Wallach
We prove that products of double Grothendieck polynomials have the same back- and forward-stability numbers as products of Schubert polynomials, characterize which simple reflectio…