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SUMMARY:Twistor Theory\, Self-Dual Spacetimes\, and Newton-Cartan Geometry
  - James Gundry (University of Cambridge)
DTSTART:20150311T161500Z
DTEND:20150311T171500Z
UID:TALK57855@talks.cam.ac.uk
CONTACT:Ciaran Hughes
DESCRIPTION:Twistor theory can be thought of as a framework in which space
 time is derived from supposedly more fundamental complex geometry. Remarka
 bly\, spacetimes derived in this way often come equipped with physically-r
 elevant structures like metrics\, connections\, and gauge fields. I will g
 ive a minimalist introduction to this central idea of twistor theory\, ass
 uming no prior knowledge of the subject. Two examples will demonstrate how
  this idea works in practice: I'll describe the twistor theory of self-dua
 l Ricci-flat spacetimes and the nascent twistor theory of Newton-Cartan sp
 acetimes.
LOCATION:CMS\, Potter Room (B1.19) 
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