zbMATH — the first resource for mathematics

Arbres, amalgames, \(\mathrm{SL}_2\). Rédigé avec la collaboration de Hyman Bass. (French. English summary) Zbl 0369.20013
Astérisque 46. Paris: Société Mathématique de France. 189 p. (1977).

20E06 Free products of groups, free products with amalgamation, Higman-Neumann-Neumann extensions, and generalizations
20-02 Research exposition (monographs, survey articles) pertaining to group theory
20G25 Linear algebraic groups over local fields and their integers
20H10 Fuchsian groups and their generalizations (group-theoretic aspects)
22E40 Discrete subgroups of Lie groups