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arXiv · 1912.05386

On James Hyde's example of non-orderable subgroup of $\mathrm{Homeo}(D,\partial D)$

Michele Triestino
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Abstract

In [Ann. Math. 190 (2019), 657-661], James Hyde presented the first example of non-left-orderable, finitely generated subgroup of $\mathrm{Homeo}(D,\partial D)$, the group of homeomorphisms of the disk fixing the boundary. This implies that the group $\mathrm{Homeo}(D,\partial D)$ itself is not left-orderable. We revisit the construction, and present a slightly different proof of purely dynamical flavor, avoiding direct references to properties of left-orders. Our approach allows to solve the analogue problem for actions on the circle.

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Michele Triestino. 2019-12-11. On James Hyde's example of non-orderable subgroup of $\mathrm{Homeo}(D,\partial D)$. https://arxiv.org/abs/1912.05386

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