@article{4178d0bf08ef4f4da59b4a93ffc98b50,
title = "Amenable actions, free products and a fixed point property",
abstract = "We investigate the class of groups admitting an action on a set with an invariant mean. It turns out that many free products admit interesting actions of this kind. A complete characterization of such free products is given in terms of a fixed point property.",
author = "Y. Glasner and N. Monod",
note = "Funding Information: Acknowledgements. It is a pleasure to thank R. I. Grigorchuk for bringing to our attention the problem formulated by Greenleaf [14, p. 18]. This material is based upon work supported by the U.S. National Science Foundation under agreements DMS-0111298 and DMS-0204601, and by the Swiss National Science Foundation.",
year = "2007",
month = jan,
day = "1",
doi = "10.1112/blms/bdl011",
language = "English",
volume = "39",
pages = "138--150",
journal = "Bulletin of the London Mathematical Society",
issn = "0024-6093",
publisher = "John Wiley and Sons Ltd",
number = "1",
}