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most citedAlmost-minimal nonuniform lattices of higher rank

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math.GR2004

Isotropic nonarchimedean S-arithmetic groups are not left orderable

Lucy Lifschitz, Dave Morris

Let A = Z[c], where c is an irrational number whose square is rational, or let A = Z[1/r], where r > 1 is a square-free natural number. We show that no finite-index subgroup of SL(…