Hong Gao

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20202026

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2 papers · 1 filter

math.CO2024

Outer Independent Roman Domination Number of Cartesian Product of Paths and Cycles

Hong Gao, Daoda Qiu, Shuyan Du +2

Given a graph $G$ with vertex set $V$ , an outer independent Roman dominating function (OIRDF) is a function $f$ from $V (G)$ to ${0, 1, 2}$ for which every vertex with label $0$ u…

math.CO2020

Italian domination in generalized Petersen graphs

Hong Gao, Jiahuan Huang, Yanan Yin +1

In a graph $G = (V, E)$ , each vertex $v \in V$ is labelled with $0$ , $1$ or $2$ such that each vertex labelled with $0$ is adjacent to at least one vertex labelled $2$ or two vertices…