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research article
Lie groups as permutation groups: Ulam's problem in the nilpotent case
March 23, 2022
Ulam asked whether every connected Lie group can be represented on a countable structure. This is known in the linear case. We establish it for the first family of non-linear groups, namely in the nilpotent case. Further context is discussed to illustrate the relevance of nilpotent groups for Ulam's problem.
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research article
Web of Science ID
WOS:000771745700001
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Publication date
2022-03-23
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Published in
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Peer reviewed
REVIEWED
EPFL units
Available on Infoscience
April 11, 2022