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SUMMARY:Gustavo Granja (Instituto Superior Técnico - Universidade de Lisb
 oa)
DTSTART:20221004T150000Z
DTEND:20221004T160000Z
DTSTAMP:20260423T040046Z
UID:Geolis/97
DESCRIPTION:Title: <a href="https://researchseminars.org/talk/Geolis/97/">
 Topology of almost complex structures</a>\nby Gustavo Granja (Instituto Su
 perior Técnico - Universidade de Lisboa) as part of Geometria em Lisboa (
 IST)\n\n\nAbstract\nI will report on joint work in progress with Aleksanda
 r Milivojevic (MPIM Bonn) on the elementary topology of the space of almos
 t complex structures on a manifold. First I will describe a certain natura
 l parametrization and associated stratification of the space of linear com
 plex structures on a vector space and give a lower bound for the number of
  complex k-planes jointly preserved by two linear complex structures. Then
  I will focus on dimension 6 and prove a formula for the homological inter
 section of two orthogonal almost complex structures on a Riemannian 6-mani
 fold when these are regarded as sections of the twistor space.\n
LOCATION:https://researchseminars.org/talk/Geolis/97/
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