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Turbo
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On homomorphisms between vertex transitive graphs

Given vertex transitive $G$ and $H$ such that $|\mathcal{V}(G)|<|\mathcal{V}(H)|$.

If $\mathcal{Aut}(G)\supset\mathcal{Aut}(H)$, is $G\leq H$?

If $G\leq H$, is $\mathcal{Aut}(G)\supset\mathcal{Aut}(H)$?

Given vertex transitive $G$ and $H$ such that $|\mathcal{V}(G)|>|\mathcal{V}(H)|$.

If $\mathcal{Aut}(G)\supset\mathcal{Aut}(H)$, is $G\rightarrow H$?

If $G\rightarrow H$, is $\mathcal{Aut}(G)\supset\mathcal{Aut}(H)$?

Turbo
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