2 papers
math.SP2026
Berry's phase under topology change
Pavel Kurasov, Vladislav Shubin, Axel Tibbling
Laplacians on metric graphs are used to construct continuous families of Hamiltonians with different topological structure. One such family is used to demonstrate that Hamiltonians…
math.SP2026
Planarity criteria for metric graphs
Alice Brolin, Pavel Kurasov
The Colin de Verdière parameter is a number assigned to discrete graphs which equals the maximal multiplicity of the second eigenvalue of a certain family of Laplacian matrices rel…