Abstract
We give a short proof of the fact that all subgroups of ${\rm PL}^+(I)$, the group of orientation preserving piecewise homeomorphisms of the unit interval, are inner amenable in the sense of Effros.
Citation
Hajer Hmili. Isabelle Liousse. "Inner Amenability of the subgroups of ${\rm PL}^+(I)$." Bull. Belg. Math. Soc. Simon Stevin 29 (4) 555 - 561, december 2022. https://doi.org/10.36045/j.bbms.220704
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