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SUMMARY:Jason Lotay (Oxford University)
DTSTART:20210126T150000Z
DTEND:20210126T160000Z
DTSTAMP:20260423T035542Z
UID:Geometry/18
DESCRIPTION:Title: <a href="https://researchseminars.org/talk/Geometry/18/
 ">Deformed G2 instantons</a>\nby Jason Lotay (Oxford University) as part o
 f Pangolin seminar\n\n\nAbstract\nDeformed G2-instantons are special conne
 ctions occurring in G2 geometry in 7 dimensions. They arise as “mirrors
 ” to certain calibrated cycles\, providing an analogue to deformed Hermi
 tian-Yang-Mills connections\, and are critical points of a Chern-Simons-ty
 pe functional. I will describe an elementary construction of the first non
 -trivial examples of deformed G2-instantons\, and their relation to 3-Sasa
 kian geometry\, nearly parallel G2-structures\, isometric G2-structures\, 
 obstructions in deformation theory\, the topology of the moduli space\, an
 d the Chern-Simons-type functional.\n
LOCATION:https://researchseminars.org/talk/Geometry/18/
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