Canonical double covers of generalized Petersen graphs, and double generalized Petersen graphs

The canonical double cover D(Γ) of a graph Γ is the direct product of Γ and K 2. If Aut ( D ( Γ ) ) ≅ Aut ( Γ ) × Z 2 then Γ is called stable; otherwise Γ is called unstable. An unstable graph is said to be nontrivially unstable if it is connected, non‐bipartite and no two vertices have the same nei...

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Veröffentlicht in:	Journal of graph theory 2021-05, Vol.97 (1), p.70-81
Hauptverfasser:	Qin, Yan‐Li, Xia, Binzhou, Zhou, Sanming
Format:	Artikel
Sprache:	eng
Schlagworte:	Apexes Automorphisms canonical double cover double generalized Petersen graph generalized Petersen graph Graphs Isomorphism stable graph
Online-Zugang:	Volltext
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