no. 2
Addendum to: On volumes of arithmetic quotients of SO(1,n)
Annali della Scuola Normale Superiore di Pisa - Classe di Scienze, Série 5, Tome 6 (2007) no. 2, pp. 263-268.

There are errors in the proof of uniqueness of arithmetic subgroups of the smallest covolume. In this note we correct the proof, obtain certain results which were stated as a conjecture, and we give several remarks on further developments.

Classification : 11E57, 22E40 
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Belolipetsky, Mikhail. Addendum to: On volumes of arithmetic quotients of $SO(1,n)$. Annali della Scuola Normale Superiore di Pisa - Classe di Scienze, Série 5, Tome 6 (2007) no. 2, pp. 263-268. http://www.numdam.org/item/ASNSP_2007_5_6_2_263_0/

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