We report the ground-state entropy of a 2-d Ising model on the Shastry-Sutherland lattice. We also study a generalization of this model, where a constraint on the zero temperature allowed configurations is removed continuously.
@article{arxiv.2605.19831,
title = {Ground-state Entropy of the Ising model on a Frustrated lattice},
author = {B Sriram Shastry and Bill Sutherland and Frédéric Mila and Afonso Rufino},
journal= {arXiv preprint arXiv:2605.19831},
year = {2026}
}