2 papers
cs.DM2026
Slow Convergence of Ising and Spin Glass Models with Well-Separated Frustrated Vertices
David Gillman, Dana Randall
The ferromagnetic Ising model on an square lattice region with mixed boundary conditions can exhibit a phase transition as temperature varies. For this spin system…
physics.soc-ph2025
Spanning Trees and Redistricting: New Methods for Sampling and Validation
Sarah Cannon, Moon Duchin, Dana Randall +1
Deciding whether a political districting plan was distorted by a hidden agenda, or whether it dilutes the voting power of some group, requires a neutral baseline for comparison. Re…