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2-regular graph
Set
$V,E$ … set |
$ \langle V,E,\psi\rangle \in \mathrm{it}(E,V) $ |
$ \langle V,E,\psi\rangle $ … undirected graph |
$ v\in V $ |
$ d(v)=2 $ |
Discussion
A finite 2-regular graph consists disconnected cycles.
A general 2-regular graph consists disconnected cycles or infinite chains.