2 papers
math.CO2025
Algebraic connectivity in normed spaces
James Cruickshank, Sean Dewar, Derek Kitson
The algebraic connectivity of a graph in a finite dimensional real normed linear space is a geometric counterpart to the Fiedler number of the graph and can be regarded as…
math.FA2025
The Rigid Unit Mode spectrum for symmetric frameworks
Eleftherios Kastis, Derek Kitson
We establish several fundamental properties of the Rigid Unit Mode (RUM) spectrum for symmetric frameworks with a discrete abelian symmetry group and arbitrary linear constraints.…