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SUMMARY:A group theoretic approach for finding the ring of integers of a n
 umber field. - Michiel Kosters
DTSTART:20110503T130000Z
DTEND:20110503T140000Z
UID:TALK31062@talks.cam.ac.uk
CONTACT:Chris Bowman
DESCRIPTION:An important problem in algebraic number theory is to find the
  ring of integers of a number field. One can associate a finite abelian gr
 oup to an order in such a number field using the trace map. It turns out t
 hat under certain circumstances there is a direct formula for the ring of 
 integers in terms of the structure of this group. During the talk we would
  like to explain why this is true and give some results and examples.
LOCATION:MR5 (Al02)\, Basement floor\, Pavilion G\, Centre for Mathematica
 l Sciences\, Wilberforce Road\, Cambridge
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