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Stalder, Yves
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Stalder, Yves
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- PublicationAccès libreProper actions of wreath products and generalizations(2012)
; - PublicationAccès libreProper actions of lamplighter groups associated with free groups(2008)
; Given a finite group H and a free group F-n, we prove that the wreath product H (sic) F-n admits a metrically proper, isometric action on a Hilbert space. - PublicationAccès libreWreath products with the integers, proper actions and Hilbert space compressionWe prove that the properties of acting metrically properly on some space with walls or some CAT(0) cube complex are closed by taking the wreath product with Z. We also give a lower bound for the (equivariant) Hilbert space compression of H Z in terms of the (equivariant) Hilbert space compression of H.
- PublicationAccès libre
- PublicationAccès libre