Polarized Weinstein manifolds and their positive arboreal skeleta
Daniel Álvarez-Gavela
Abstract: The goal of this talk is to give a geometric introduction to arboreal singularities, as well as to the distinguished subclass of *positive* arboreal singularities, and to state precisely the theorem joint with Y. Eliashberg and D. Nadler that a Weinstein manifold admits a global field of Lagrangian planes if and only if the Weinstein structure can be deformed so that the skeleton becomes positive arboreal. In particular it follows that complete intersections in complex affine space can be arborealized.
algebraic geometrydifferential geometrygeometric topologysymplectic geometry
Audience: researchers in the topic
Series comments: This is the free mathematics seminar. Free as in freedom. We use only free and open source software to run the seminar.
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| Organizers: | Jonny Evans*, Ailsa Keating, Yanki Lekili* |
| *contact for this listing |