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most citedRicci curvature, diameter and eigenvalues of amply regular graphs

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math.DG2024★ 1 cited

Ricci curvature, diameter and eigenvalues of amply regular graphs

Kaizhe Chen, Chunyang Hu, Shiping Liu +1

Amply regular graphs are graphs with local distance-regularity constraints. In this paper, we prove a weaker version of a conjecture proposed by Qiao, Park, and Koolen on diameter…

math.CO2024

Curvature and local matchings of conference graphs and extensions

Kaizhe Chen, Shiping Liu, Heng Zhang

We prove a conjecture of Bonini et al. on the precise values of the Lin--Lu--Yau curvature of conference graphs, i.e., strongly regular graphs with parameters . Ou…