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Seminar

EGN symplectic geometry and mirror symmetry seminar: Lagrangian tori in CP^2 February 23, 2018 (11:00 AM PST - 12:00 PM PST)
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Location: 748 Evans Hall
Speaker(s) Renato Ferreira de Velloso Vianna (Federal University of Rio de Janeiro)
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We will present an infinite series of monotone Lagrangian tori in CP^2, which arise as fibres of almost toric fibrations (ATFs). We show how to distinguish these tori up to the action of Symp(CP^2). Time permiting, based on a joint work with Tonkonog and Shelukhin, we will present (a 4-dimensional version) of an invariant for any Lagrangian, and use it to determine the space of almost toric fibres modulo the action of Symp(CP^2).

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