Barnette Graphs with Faces up to Size 8 are Hamiltonian

Fuente: arXiv
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Autore principale: Schnieders, Tobias
Natura: Preprint
Pubblicazione: 2025
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author Schnieders, Tobias
author_facet Schnieders, Tobias
contents 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.
format Preprint
id arxiv_https___arxiv_org_abs_2508_03531
institution arXiv
publishDate 2025
record_format arxiv
spellingShingle Barnette Graphs with Faces up to Size 8 are Hamiltonian
Schnieders, Tobias
Combinatorics
Metric Geometry
05C45 (Primary) 05C10, 52B05, 52B10 (Secondary)
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.
title Barnette Graphs with Faces up to Size 8 are Hamiltonian
topic Combinatorics
Metric Geometry
05C45 (Primary) 05C10, 52B05, 52B10 (Secondary)
url https://arxiv.org/abs/2508.03531