Volume 35, Issue 4
Expanders, Group Extensions, Hadamard Manifolds and Certain Banach Spaces

Lin Shan

10.13447/j.1674-5647.2019.04.04

Commun. Math. Res. , 35 (2019), pp. 335-339.

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  • Abstract

In this note, we prove that expanders cannot be coarsely embedded into group extensions of sequences of groups which are coarsely embeddable into Hardamad manifolds and certain Banach spaces due to the similar concentration theorems.

  • History

Published online: 2019-12

  • AMS Subject Headings

20E06, 46B99, 58C99

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