Isomorphisms and Properties of TAR Graphs for Zero Forcing and Other X-set Parameters
Isomorphisms and Properties of TAR Graphs for Zero Forcing and Other X-set Parameters
复制标题
迫零和其他 X 集参数的 TAR 图的同构和性质
DOI:
10.1007/s00373-023-02677-1
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发表时间:
2023
影响因子:
0.7
通讯作者:
Hogben, Leslie
中科院分区:
文献类型:
--
作者:
Bong, Novi H.;Carlson, Joshua;Curtis, Bryan;Haas, Ruth;Hogben, Leslie
In a TAR (token addition/removal) reconfiguration graph, each vertex is a set of vertices, with an edge between two vertices if one can be obtained from the other by adding or removing one element. This paper considers theX-TAR graph of a base graphGwhere the vertices of theX-TAR graph ofGare theX-sets ofG, which are subsets ofV(G) that satisfy certain conditions. Dominating sets, power dominating sets, zero forcing sets, and positive semidefinite zero forcing sets are all examples ofX-sets. For graphsGandwith no isolated vertices, it is shown thatGandhave isomorphicX-TAR graphs if and only if there is a relabeling of the vertices ofsuch thatGand the relabeledhave exactly the sameX-sets. These results are applied to show certain zero forcing TAR graphs are unique up to isomorphism of the base graph. Furthermore, results related to the connectedness of the zero forcing TAR graph are presented.
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