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SUMMARY:Leonardo Macarini (Instituto Superior Técnico and CAMGSD)
DTSTART:20201124T170000Z
DTEND:20201124T180000Z
DTSTAMP:20260423T022632Z
UID:Geolis/21
DESCRIPTION:Title: <a href="https://researchseminars.org/talk/Geolis/21/">
 Dynamical implications of convexity beyond dynamical convexity</a>\nby Leo
 nardo Macarini (Instituto Superior Técnico and CAMGSD) as part of Geometr
 ia em Lisboa (IST)\n\n\nAbstract\nWe will show sharp dynamical implication
 s of convexity on symmetric spheres that do not follow from dynamical conv
 exity. It allows us to furnish new examples of dynamically convex contact 
 forms that are not equivalent to convex ones via contactomorphisms that pr
 eserve the symmetry. Moreover\, these examples are $C^1$-stable in the sen
 se that they are actually not equivalent to convex ones via contactomorphi
 sms that are $C^1$-close to those preserving the symmetry. Other applicati
 ons are the multiplicity of symmetric non-hyperbolic closed Reeb orbits un
 der suitable pinching conditions and the existence of symmetric elliptic p
 eriodic Reeb orbits. \n\nThis is ongoing joint work with Miguel Abreu.\n
LOCATION:https://researchseminars.org/talk/Geolis/21/
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