The existence of sufficiently positive subsheaves of the tangent bundle of a complex projective manifold Ximposes strong restrictions on X.In particular, several special varieties can be characterized by positivity properties of their tangent bundle.There are various notions of positivity for distributions on complex projective manifolds.In this talk we consider distributions having big slope with respect to curve classes,obtaining characterizations of generic projective space bundles in terms of movable curve classes.We then apply this result to investigate algebraicity of leaves of foliations, providinga lower bound for the algebraic rank of a foliation in terms of invariants measuring positivity.This is a joint work with Stéphane Druel.
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Characterization of generic projective space bundles and applications to foliations
Research Group:
Carolina Araujo
Institution:
IMPA, Rio de Janeiro
Location:
A139
Schedule:
Thursday, June 14, 2018  14:30
Abstract:
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Today's Lectures

Andrei Agrachev
09:00 to 11:00

Antonio Lerario
11:00 to 13:00

Jacopo Stoppa
11:00 to 13:00

Gianni Dal Maso
14:00 to 16:00

Luca Heltai  Gianluigi Rozza
14:00 to 16:00

Enrico Arbarello (Sapienza)
14:00 to 16:00

Xiao Han
15:30 to 17:30

Alberto Sartori
16:00 to 18:00
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G. Dal Maso; C.J. Larsen; R. Toader,Existence for elastodynamic Gr...

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G. Dal Maso; G. Franzina; D. Zucco,Transmission conditions obtain...

S. Hijazi; S. Ali; G. Stabile; F. Ballarin; G. Rozza,{The Effort of Increasing Reyn...