Tim de Laat

activity

20102023

most citedSimple Lie groups without the Approximation Property

71 citations · 286 across the 17 of their papers we have counts for

collaborators

Showing 2017Show all

3 papers · 1 filter

math.OA2017★ 7 cited

The Fourier algebra of a rigid $C^{*}$ -tensor category

Yuki Arano, Tim de Laat, Jonas Wahl

Completely positive and completely bounded mutlipliers on rigid $C^{*}$ -tensor categories were introduced by Popa and Vaes. Using these notions, we define and study the Fourier-…

math.MG2017★ 11 cited

Superexpanders from group actions on compact manifolds

Tim de Laat, Federico Vigolo

It is known that the expanders arising as increasing sequences of level sets of warped cones, as introduced by the second-named author, do not coarsely embed into a Banach space as…

math.FA2017★ 11 cited

Banach space actions and $L^{2}$ -spectral gap

Tim de Laat, Mikael de la Salle

Żuk proved that if a finitely generated group admits a Cayley graph such that the Laplacian on the links of this Cayley graph has a spectral gap $> \frac{1}{2}$ , then the group has…

The Fourier algebra of a rigid C∗-tensor category

Superexpanders from group actions on compact manifolds

Banach space actions and L2-spectral gap

The Fourier algebra of a rigid $C^{*}$ -tensor category

Banach space actions and $L^{2}$ -spectral gap