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SUMMARY:Toposes of group actions - Achilleas Kryftis - DPMMS
DTSTART:20140130T140000Z
DTEND:20140130T150000Z
UID:TALK50654@talks.cam.ac.uk
CONTACT:Sean Moss
DESCRIPTION:A group homomorphism from G to H in a topos induces a geometri
 c morphism between the corresponding toposes of G-objects and H-objects. I
  will give a necessary and sufficient condition for that geometric morphis
 m to be a local homeomorphism and I will give an interpretation of the res
 ult by applying it to a specific geometric morphism of classifying toposes
 .
LOCATION:CMS\, MR13
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