L-2-Betti numbers of locally compact groups

The present paper is a summary and overview of results obtained in the author's thesis, "L-2-Betti Numbers of Locally Compact Groups", wherein the definition of L-2-Betti numbers for countable groups is extended to locally compact unimodular groups. In many cases, the L-2-Betti numbers of a lattice are proportional to those of the ambient locally compact group, yielding new results for certain classes of lattices, including arithmetic lattices and Kac-Moody lattices. (C) 2013 Academie des sciences. Published by Elsevier Masson SAS. All rights reserved.


Published in:
Comptes Rendus Mathematique, 351, 9-10, 339-342
Year:
2013
Publisher:
Paris, Elsevier
ISSN:
1631-073X
Laboratories:




 Record created 2013-10-01, last modified 2018-03-17


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