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Archive | Symplectic and Contact Geometry and Connections to Low-Dimensional Topology

Seminar by Mohammad Farajzadeh Tehrani, Princeton

Title: Real Gromov-Witten Theory In Genus Zero and Beyond Speaker: Mohammad Farajzadeh Tehrani, Princeton Date: Thursday, May 30, 2013 Time: 1:30pm – 2:30pm Place: Lecture Hall 102, Simons Center       [box, type=”download”]Watch the video.[/box] Abstract There are two types of $J$-holomorphic spheres in a symplectic manifold invariant under an antisymplectic involution: those that have […]

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Topology Seminar: Adam Knapp, “Cotangent Bundles of Open 4-manifolds”

Title: Cotangent Bundles of Open 4-manifolds Program: Symplectic and Contact Geometry and Connections to Low-Dimensional Topology Speaker: Adam Knapp, Columbia University Date: Thursday, November 29, 2012 Time: 1:00pm – 2:00pm Place: Seminar Room 313, Simons Center Abstract: Using results of Eliashberg and Cieliebak, I show that: if X1 and X2 are two homeomorphic open 4-manifolds, then their cotangent bundles […]

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Topology Seminar: David Shea Vela-Vick, “The Equivalence of Transverse Link Invariants in Knot Floer Homology”

Title: The Equivalence of Transverse Link Invariants in Knot Floer Homology Program: Symplectic and Contact Geometry and Connections to Low-Dimensional Topology Speaker: David Shea Vela-Vick, Louisiana State University Date: Thursday, November 15, 2012 Time: 2:00pm – 3:00pm Place: Seminar Room 313, Simons Center Abstract: The Heegaard Floer package provides a robust tool for studying contact 3-manifolds and their subspaces. […]

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Topology Seminar: Hiraku Nakajima, “Refined Chern-Simons Theory and Hilbert Schemes of Points on the Plane”

Title: Refined Chern-Simons Theory and Hilbert Schemes of Points on the Plane Program: Symplectic and Contact Geometry and Connections to Low-Dimensional Topology Speaker: Hiraku Nakajima, RIMS Kyoto University Date: Thursday, October 25, 2012 Time: 11:30am – 12:30pm Place: Seminar Room 313, Simons Center     Abstract: Aganagic-Shakirov recently propose a refined Chern-Simons theory which gives a one-parameter deformation of […]

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Topology Seminar: John Baldwin, “A Bordered Monopole Floer Theory”

Title: A Bordered Monopole Floer Theory Program: Symplectic and Contact Geometry and Connections to Low-Dimensional Topology Speaker: John Baldwin, Boston College Date: Thursday, October 11, 2012 Time: 1:00pm – 2:00pm Place: Seminar Room 313, Simons Center     Abstract: I’ll discuss work-in-progress toward constructing monopole Floer theoretic invariants of bordered 3-manifolds. Roughly, our construction associates an A-infinity […]

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Graduate Topology Seminar: John Baldwin, “Szabo’s Geometric Spectral Sequence for Tangles”

Title: Szabo’s Geometric Spectral Sequence for Tangles Program: Symplectic and Contact Geometry and Connections to Low-Dimensional Topology Speaker: John Baldwin, Boston College Date: Thursday, October 11, 2012 Time: 10:15am – 11:15am Place: Seminar Room 313, Simons Center   Abstract: Szabo recently wrote down (seemingly out of nowhere) a combinatorial chain complex associated to a link diagram L […]

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Symplectic Topology Seminar: Thomas Vogel, “Uniqueness of the Approximating Contact Structure”

Title: Uniqueness of the Approximating Contact Structure Program: Symplectic and Contact Geometry and Connections to Low-Dimensional Topology Speaker: Thomas Vogel, Max Planck Institue for Mathematics in Bonn, Germany Date: Tuesday, October 9, 2012 Time: 11:15am – 12:15pm Place: Seminar Room 313, Simons Center     Abstract: A theorem of Eliashberg and Thurston implies that every foliation on […]

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Topology Seminar: Zsuzsanna Dancso “Odd Khovanov Homology Via Hyperplane Arrangements”

Title: Odd Khovanov Homology Via Hyperplane Arrangements Program: Symplectic and Contact Geometry and Connections to Low-Dimensional Topology Speaker: Zsuzsanna Dancso, Fields Institute Date: Thurssday, October 4, 2012 Time: 1:00pm – 2:00pm Place: Seminar Room 313, Simons Center       Abstract: We will describe a construction of Odd Khovanov homology (isomorphic to that of Ozsvath-Rasmussen-Szabo) as a special […]

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Symplectic Topology Seminar: Paolo Ghiggini “From ECH to HF: The Story You Have Never Heard”

Title: From ECH to HF: The Story You Have Never Heard Program: Symplectic and Contact Geometry and Connections to Low-Dimensional Topology Speaker: Paolo Ghiggini, Univ. de Nantes Date: Tuesday, October 2, 2012 Time: 10:00am – 11:00am Place: Seminar Room 313, Simons Center     Abstract: After describing definitions of \widehat{HF} and \widehat{ECH} adapted to open book decompositions, […]

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Topology Seminar: Joshua Batson “Nonorientable Four-ball Genus Can be Arbitrarily Large”

Title: Nonorientable Four-ball Genus Can be Arbitrarily Large Program: Symplectic and Contact Geometry and Connections to Low-Dimensional Topology Speaker: Joshua Batson, MIT Date: Thursday, September 27, 2012 Time: 1:00pm – 2:00pm Place: Seminar Room 313, Simons Center     Introduction: This talk provides background for my 1 p.m. talk on the nonorientable four-ball genus. First, I’ll give some […]

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