Date
Mon, 10 Feb 2014
Time
16:00 - 17:00
Location
C5
Speaker
Henry Bradford
Organisation
Oxford University

A finite set of elements in a connected real Lie group is "Diophantine" if non-identity short words in the set all lie far away from the identity. It has long been understood that in abelian groups, such sets are abundant. In this talk I will discuss recent work of Aka; Breuillard; Rosenzweig and de Saxce concerning this phenomenon (and its limitations) in the more general setting of nilpotent groups. 

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