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Barnette Graphs with Faces up to Size 8 are Hamiltonian

Published 5 Aug 2025 in math.CO and math.MG | (2508.03531v1)

Abstract: Barnette's conjecture states that every cubic, bipartite, planar and 3-connected graph is Hamiltonian. Goodey verified Barnette's conjecture for all graphs with faces of size up to 6. We substantially strengthen Goodey's result by proving Hamiltonicity for cubic, bipartite, planar and (2-)connected graphs with faces of size up to 8. Parts of the proof are computational, including a distinction of 339.068.624 cases.

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Authors (1)

  1. Tobias Schnieders 

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