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Type	Post	Author	Replies	Last post
Open problem	Matchings extend to Hamiltonian cycles in hypercubes	Jirka	0	16 years 43 weeks ago

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Chords of longest cycles
Do any three longest paths in a connected graph have a vertex in common?
Chromatic number of $\frac{3}{3}$-power of graph
3-Edge-Coloring Conjecture
r-regular graphs are not uniquely hamiltonian.

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