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arXiv · 1106.2094

Left-orderings on free products of groups

Cristóbal Rivas
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Abstract

We show that no left-ordering on a free product of (left-orderable) groups is isolated. In particular, we show that the space of left-orderings of free product of finitely generated groups is homeomorphic to the Cantor set. With the same techniques, we also give a new and constructive proof of the fact that the natural conjugation action of the free group (on two or more generators) on its space of left-orderings has a dense orbit.

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Cristóbal Rivas. 2011-06-10. Left-orderings on free products of groups. https://arxiv.org/abs/1106.2094

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