Lovász's perfect-matching conjecture for cubic vertex transitive graphs

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Let \Gha\Gha be a finite cubic vertex transitive graph, and let MM be a perfect matching in \Gha\Gha. Write \Gha\M\Gha \backslash M for the graph obtained by deleting the edges of MM. Lovász's conjecture. There exists a perfect matching MM in \Gha\Gha such that \Gha\M\Gha \backslash M consists either of one cycle, in which case \Gha\Gha is Hamiltonian, or of two disjoint cycles of the same length. If true, this would imply that all finite vertex transitive cubic graphs have a uniform partite presentation; the source describes the conjecture as still open.

References

Primary source

Agelos Georgakopoulos, Matthias Hamann and Alex Wendland, “Presentations for Vertex Transitive Graphs”, arXiv:2007.06432 (2020).

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