Vertex electrical model: lagrangian and non-negative properties
arXiv:2110.00935 · doi:10.1134/S0040577922020052
Abstract
This note is a modest addition to the work arXiv:2109.13952. Here we construct an embedding of the space of electrical networks to the totally non-negative Lagrangian Grassmannian in a generic situation with the help of the technique of vertex integrable models of statistical mechanics.
8 pages, 1 figure