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SUMMARY:ALC G2 manifolds - Lorenzo Foscolo (Stony Brook University)
DTSTART:20160628T080000Z
DTEND:20160628T090000Z
UID:TALK66604@talks.cam.ac.uk
CONTACT:INI IT
DESCRIPTION:An ALC (asymptotically locally conical) manifold is a complete
  non-compact&nbsp\;Riemannian manifold whose ends are modelled on circle f
 ibrations over Riemannian cones of one lower dimension with fibres of asym
 ptotically constant finite length. In dimension 4 and when the asymptotic 
 cone is flat the acronym ALF (asymptotically locally flat) is more commonl
 y used.&nbsp\;(Conjectural) examples of ALC manifolds with G2 holonomy hav
 e appeared both in the physics and mathematics literature since the early 
 2000&rsquo\;s. ALC G2 manifolds provide interesting models for understandi
 ng how&nbsp\;compact G2 manifolds can collapse to Calabi-Yau 3-folds.  In 
 this talk I will discuss the construction of various families of ALC G2 ma
 nifolds and describe their geometric properties. This is joint work with M
 ark Haskins (Imperial College London) and Johannes Nordstr&ouml\;m (Univer
 sity of Bath).
LOCATION:Seminar Room 1\, Newton Institute
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