The \(2\)-Packing Number of Complete Grid Graphs

David C.Fisher1
1Department of Mathematics University of Colorado at Denver Denver, CO 80217-3364, U.S.A.

Abstract

Hare and Hare conjectured the 2-packing number of an \(m \times n\) grid graph to be \(\left\lceil \frac{mn}{5} \right\rceil\) for \(m, n \geq 9\). This is verified by finding the 2-packing number for grid graphs of all sizes.