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math.CO2024
Graphs with positive Lin-Lu-Yau curvature without quadrilaterals
Huiqiu Lin, Zhe You
The definition of Ricci curvature on graphs was given in Lin-Lu-Yau, Tohoku Math., 2011, which is a variation of Ollivier, J. Funct. Math., 2009. Recently, a powerful limit-free fo…
math.CO2024
Graphs with nonnegative Bakry-Émery curvature without Quadrilateral
Huiqiu Lin, Zhe You
The definition of Ricci curvature on graphs in Bakry-Émery's sense based on curvature dimension condition was introduced by Lin and Yau [\emph{Math. Res. Lett.}, 2010]. Hua and Lin…