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Halin graphs with positive Lin-Lu-Yau curvature
Published 7 May 2025 in math.CO and math.DG | (2505.04470v1)
Abstract: Halin graphs constitute an interesting class of planar and polyhedral graphs. A generalized Halin graph is obtained by connecting all leaves of a planar embedding of a tree via a cycle. A Halin graph is a generalized Halin graph having no vertex of degree two. We classify all generalized Halin graphs with positive Lin-Lu-Yau curvature.
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