2 papers
math.CO2026
A general switching method for constructing E-cospectral hypergraphs
Aida Abiad, Joshua Cooper, Utku Okur
Spectral hypergraph theory studies the structural properties of a hypergraph that can be inferred from the eigenvalues and the eigenvectors of either matrices or tensors associated…
math.CO2025
Determinants of Steiner Distance Hypermatrices
Joshua Cooper, Zhibin Du
Generalizing work from the 1970s on the determinants of distance hypermatrices of trees, we consider the hyperdeterminants of order- Steiner distance hypermatrices of trees on $…