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SUMMARY:Multifunctions computing sequentially discontinuous multifunctions
  - Giovanni Solda (Universiteit Gent)
DTSTART:20220609T133000Z
DTEND:20220609T143000Z
UID:TALK174833@talks.cam.ac.uk
DESCRIPTION:In recent work\, Brattka\, addressing a question originally as
 ked by Schroeder\, studied in general the degrees of discontinuous partial
  multifunctions according to continuous Weihrauch reducibility. In the sam
 e setting\, we will focus on the degrees of partial multifunctions that ar
 e discontinuous but\, additionally\, also have a rather simple domain. We 
 will see that these degrees are strongly related to ACC_N\, a very weak ch
 oice problem on the natural numbers. In order to do this\, we will briefly
  discuss how to formulate continuity of multifunctions in terms of Wadge g
 ames.This is joint work with Arno Pauly.\n&nbsp\;
LOCATION:Seminar Room 1\, Newton Institute
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