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$L^2$ spectral gap and group actions on Banach spaces

By Mikael de la Salle

Also appears in collection : Non linear functional analysis / Analyse fonctionnelle non linéaire

Exploring the relations between algebraic and geometric properties of a group and the geometry of the Banach spaces on which it can act is a fascinating program, still widely mysterious, and which is tightly connected to coarse embeddability of graphs into Banach spaces. I will present a recent contribution, joint with Tim de Laat, where we give a spectral (hilbertian) criterion for fixed point properties on uniformly curved Banach spaces.

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Citation data

  • DOI 10.24350/CIRM.V.19372303
  • Cite this video de la Salle, Mikael (08/03/2018). $L^2$ spectral gap and group actions on Banach spaces. CIRM. Audiovisual resource. DOI: 10.24350/CIRM.V.19372303
  • URL https://dx.doi.org/10.24350/CIRM.V.19372303

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