Upper bounds for positive semidefinite propagation time. - Leslie Hogben; Mark Hunnell; Kevin Liu; Houston Schuerger; Ben Small; Yaqi Zhang (Discret. Math., 2022)

New Structures and their Applications to Variants of Zero Forcing and Propagation Time. - Leslie Hogben; Mark Hunnell; Kevin Liu; Houston Schuerger; Ben Small; Yaqi Zhang (Electron. J. Comb., 2025)