1. Exact and asymptotic results on coarse Ricci curvature of graphs;Bhattacharya;Discrete Math.,2015
2. D.P. Bourne, D. Cushing, S. Liu, F. Münch, N. Peyerimhoff, Ollivier-Ricci idleness functions of graphs, arXiv:1704.04398.
3. Ollivier’s Ricci curvature and the coloring of graphs;Cho;European J. Combin.,2013
4. D. Cushing, R. Kangaslampi, Y. Lin, S. Liu, L. Lu, S.-T. Yau, Erratum for Ricci-flat graphs with girth at least five, arXiv:1802.02979.
5. D. Cushing, R. Kangaslampi, Y. Lin, S. Liu, L. Lu, S.-T. Yau, Ricci-flat cubic graphs with girth five, arXiv:1802.02982.