Geoffrey Boyer

activity

20232026

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math.CO2026

On the Relationships between Domination, Isolation, and Packing

Geoffrey Boyer, Wayne Goddard, Michael A. Henning

We consider the relationships between the domination number of graph, denoted $γ$ , and the distance- $2$ domination number, denoted $γ_{2}$ , and three parameters that lie between them…

math.CO2026

Small $q$ -kernels in digraphs with minimum in-degree $δ$

Geoffrey Boyer, Matt Burnham, Daniela Černá +5

For a digraph $D$ , a subset $Q \subseteq V (D)$ is called a $q$ -kernel if $Q$ is an independent set and all vertices in $V (D)$ are reachable from $Q$ via a directed path of length at…

On the Relationships between Domination, Isolation, and Packing

Small q-kernels in digraphs with minimum in-degree δ

Small $q$ -kernels in digraphs with minimum in-degree $δ$