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SUMMARY:Stable spectral bundles on K3 fibered 3-folds - Sanchez Gomez\, D 
 (Salamanca)
DTSTART:20110120T140000Z
DTEND:20110120T150000Z
UID:TALK29145@talks.cam.ac.uk
CONTACT:Mustapha Amrani
DESCRIPTION:In this talk I will explain how to construct stable sheaves ov
 er K3 fibered threefolds using a relative Fourier-Mukai transform\, which 
 describes these sheaves in terms of spectral data. This procedure is simil
 ar to the spectral cover construction for elliptic fibrations\, which I wi
 ll also review.\n\nOn K3 fibered Calabi-Yau threefolds\, the Fourier-Mukai
  transform induces an embedding of the relative Jacobian of line bundles o
 n spectral covers into the moduli space of sheaves of given invariants. Th
 is makes the moduli space of spectral sheaves to a generic torus fibration
  over the moduli space of curves of given arithmetic genus on the Calabi-Y
 au threefold.\n
LOCATION:Seminar Room 1\, Newton Institute
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