2 papers
math.CO2026
On Universal Graphs for Trees and Tree-Like Graphs
Neel Kaul, Jaehoon Kim, Minseo Kim +1
Chung and Graham [J. London Math. Soc. 1983] claimed to prove that there exists an -vertex graph with edges that contains every -vertex tr…
quant-ph2025
A Graph-Theoretic Framework for Free-Parafermion Solvability
Ryan L. Mann, Samuel J. Elman, David R. Wood +1
We present a graph-theoretic characterisation of when a quantum spin model admits an exact solution via a mapping to free parafermions. Our characterisation is based on the concept…