Reese Lance

activity

20192025

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math-ph2025

Quantum Difference Equations for Grassmannians

Xingyu Cheng, Reese Lance, Nikhil Nagabandi +1

We consider quantum difference equation (QDE) for equivariant quantum K-theory of the Grassmannian. In this paper we obtain a solution to the QDE and use the solution to asymptotic…

math.AG2025

Integrals of stable envelopes for cotangent bundles to Grassmannians

Matthew Crawford, Pavan Kartik, Reese Lance

We consider cohomological stable envelopes for a natural torus action $T$ on $X = T^{*} G r (k, n)$ , introduced by Maulik-Okounkov. We define the $C_{ℏ}^{*}$ -equivariant…

math.RT2025

Slant sums of quiver gauge theories

Hunter Dinkins, Vasily Krylov, Reese Lance

We define the slant sum of quiver gauge theories, a gluing on the underlying quivers that identifies a gauge vertex with a framing vertex. Under some mild assumptions, we relate to…