Marc Roeder (NUI Galway)

will speak on

Relative difference sets and APN functions

Time: 4:00PM
Date: Mon 3rd November 2008
Location: Mathematical Sciences Seminar Room [map]

Abstract: Relative difference sets (RDS) describe finite geometries with large
automorphism groups. Difference sets are well studied and there are
computational methods for constructing and (sometimes) classifying
them. We will present a difference set construction
corresponding to almost perfect non-linear (APN) functions and discuss the possibilities of gaining knowledge by translating problems from APN to RDS and back again.

(This talk is part of the Algebra and Number Theory series.)

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