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SUMMARY:Oriol Farràs (Universitat Rovira i Virgili)
DTSTART:20230322T160000Z
DTEND:20230322T171500Z
DTSTAMP:20260423T052929Z
UID:AAIT/8
DESCRIPTION:Title: <a href="https://researchseminars.org/talk/AAIT/8/">Int
 roduction to Secret Sharing Schemes: Constructions</a>\nby Oriol Farràs (
 Universitat Rovira i Virgili) as part of Seminar on Algorithmic Aspects of
  Information Theory\n\n\nAbstract\nA secret sharing scheme is a method by 
 which a dealer distributes shares to parties such that only authorized sub
 sets of parties can reconstruct the secret. The family of these authorized
  subsets is called the access structure of the scheme. This introductory t
 alk is focused on the problem of finding efficient secret sharing schemes 
 for general access structures. We will see some general constructions as w
 ell as their limitations. We will review connections between the problem o
 f finding efficient schemes and other problems\, such as finding small mon
 otone formulas and monotone span programs for monotone Boolean functions\,
  and problems of matroid theory and entropy optimization.\n
LOCATION:https://researchseminars.org/talk/AAIT/8/
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