Geodesic
The estimate of the Ricci curvature of a weighted tree
Vestnik Moskovskogo universiteta. Matematika, mehanika, no. 3 (2016), pp. 51-53 
O. V. Rubleva. The estimate of the Ricci curvature of a weighted tree. Vestnik Moskovskogo universiteta. Matematika, mehanika, no. 3 (2016), pp. 51-53. http://geodesic.mathdoc.fr/item/VMUMM_2016_3_a9/
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     title = {The estimate of the {Ricci} curvature of a weighted tree},
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Voir la notice de l'article provenant de la source Math-Net.Ru

An estimate of the coarse Ricci curvature is obtained in the paper for weighed trees with random walk on the vertex set.

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[4] Rubleva O., “Krivizna Richchi vzveshennykh derevev”, Vestn. Mosk. un-ta. Matem. Mekhan., 2015, no. 6, 52–54 | MR | Zbl