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SUMMARY:Saman Habibi Esfahani (Duke University)
DTSTART:20241105T160000Z
DTEND:20241105T170000Z
DTSTAMP:20260423T022717Z
UID:Geolis/159
DESCRIPTION:Title: <a href="https://researchseminars.org/talk/Geolis/159/"
 >On the Donaldson-Scaduto conjecture</a>\nby Saman Habibi Esfahani (Duke U
 niversity) as part of Geometria em Lisboa (IST)\n\n\nAbstract\nThis talk i
 s based on a joint work with Yang Li. Motivated by collapsing Calabi-Yau 3
 -folds and G2-manifolds with Lefschetz K3 fibrations in the adiabatic sett
 ing\, Donaldson and Scaduto conjectured the existence of a special Lagrang
 ian pair-of-pants in the Calabi-Yau 3-fold $X \\times \\mathbb R^2$\, wher
 e $X$ is either a hyperkähler K3 surface (global version) or an A2-type A
 LE hyperkähler 4-manifold (local version). After a brief introduction to 
 the subject\, we discuss the significance of this conjecture in the study 
 of Calabi-Yau 3-folds and G2-manifolds\, and then prove the local version 
 of the conjecture\, which in turn implies the global version for an open s
 ubset of the moduli of K3 surfaces.\n
LOCATION:https://researchseminars.org/talk/Geolis/159/
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