Geodesic
\u Svarc--Milnor quasi-isometries for Fuchsian groups
Algebra i analiz, Tome 30 (2018) no. 4, pp. 179-191.

Voir la notice de l'article provenant de la source Math-Net.Ru

It is proved that the S̆varc–Milnor quasi-isometries for cocompact Fuchsian groups are not almost-isometric. The proof relies on density properties of different kinds of spectra associated with the action.
Keywords: hyperbolic plane, Fuchsian group, quasi-isometry, almost-isometry. 
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G. A. Noskov. \u Svarc--Milnor quasi-isometries for Fuchsian groups. Algebra i analiz, Tome 30 (2018) no. 4, pp. 179-191. http://geodesic.mathdoc.fr/item/AA_2018_30_4_a6/

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