3 papers
math.RT2025
Lattice Models for Double Whittaker Polynomials and Motivic Chern Classes
Ben Brubaker, Daniel Bump, Andrew Hardt +1
We will describe solvable lattice models whose partition functions depend on two sets of variables, and that have different connections with th…
math.RT2025
Factorial Fock free fermions
Daniel Bump, Andrew Hardt, Travis Scrimshaw
We use a double shifted power analog of free fermion fields to introduce current operators, Hamiltonians, and vertex operators which are deformed by two families of parameters and…
math.CO2025
On the Boson-Fermion Correspondence for Factorial Schur Functions
Daniel Bump, Andrew Hardt, Travis Scrimshaw
We give an algebraic (non-analytic) proof of the deformed boson-fermion Fock space construction of Molev's double supersymmetric Schur functions, among other results, from our prev…