3 papers
nlin.SI2026
Combinatorial geometry of the 2D Toda lattice and Davey Stewartson equation
Rodrigo Navarro Betancourt, Marvin Anas Hahn, Vera Posch +1
The KP equation is a prototypical -dimensional integrable PDE. Its soliton solutions are famously parametrized by the Sato Grassmannian. In seminal work, Kodama and Williams…
math-ph2024
All 4 x 4 solutions of the quantum Yang-Baxter equation
Marius de Leeuw, Vera Posch
In this paper, we complete the classification of 4 x 4 solutions of the Yang-Baxter equation. Regular solutions were recently classified and in this paper we find the remaining non…
hep-th2023
-ensembles and higher genera Catalan numbers
Luca Cassia, Vera Posch, Maxim Zabzine
We propose formulas for the large expansion of the generating function of connected correlators of the -deformed Gaussian and Wishart-Laguerre matrix models. We show that ou…