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 M3//EN
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METHOD:PUBLISH
BEGIN:VEVENT
DTSTAMP:20200317T210610Z
DTSTART:20200317T150000Z
SUMMARY:George Shakan (Oxford)  - An analytic approach to cardinalities o
 f Sumsets
UID:{http://www.columbasystems.com/customers/uom/gpp/eventid/}v7c-k587n2z
 f-hxyecm
DESCRIPTION:Abstract : Let U be a subset of Z^d. The quantity |U+U|/|U|\,
  known as the doubling constant\, has been extensively studied in additi
 ve combinatorics. We replace this with a more complicated notion which e
 njoys a certain tensorisation property. As a result we obtain a new meth
 od for studying high dimensional sumsets analogous to the Prékopa-Leindl
 er inequality. We outline some of the main results\, key ideas and appli
 cations. This is joint work with Dávid Matolcsi\, Imre Ruzsa and Dmitry 
 Zhelezov.
STATUS:TENTATIVE
TRANSP:TRANSPARENT
CLASS:PUBLIC
LOCATION:Frank Adams 1\, Alan Turing Building\, Manchester
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