The Inverse Spectral Map in the Pentagram Case
De Max Glick
The dimer model on the torus is one of the various ways to include the pentagram map within a more general integrability framework. A central object in that theory is the spectral map which associates to each input configuration an algebraic curve and a divisor there-on. Following Goncharov-Kenyon 2013 and George-Goncharov-Kenyon 2023