Kristin Heysse

activity

20112026

most citedEigenvalues, Smith normal form and determinantal ideals

4 citations · 4 across the 9 of their papers we have counts for

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Showing 2024Show all

2 papers · 1 filter

math.CO2024

The Exact Mixing Time for Trees with Fixed Diameter

Andrew Beveridge, Kristin Heysse, Rhys O'Higgins +1

We characterize the extremal structure for the exact mixing time for random walks on trees $T_{n, d}$ of order $n$ with diameter $d$ . Given a graph $G = (V, E)$ , let $H (v, π)$ denote th…

math.CO2024

Defective eigenvalues of the non-backtracking matrix

Kristin Heysse, Kate Lorenzen, Carolyn Reinhart

We consider graphs for which the non-backtracking matrix has defective eigenvalues, or graphs for which the matrix does not have a full set of eigenvectors. The existence of these…