Abstract
If is either a connected Lie group, or a finitely generated solvable group with exponential growth, we show that contains a quasi-isometrically embedded free sub-semigroup on 2 generators.
Citation
Yves de Cornulier. Romain Tessera. "Quasi-isometrically embedded free sub-semigroups." Geom. Topol. 12 (1) 461 - 473, 2008. https://doi.org/10.2140/gt.2008.12.461
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