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# Chindu Mohanakumar : Coherent orientations of DGA maps associated to exact Lagrangian cobordisms

We discuss the DGA map induced by an exact Lagrangian cobordism, and an analytic strategy to lift the map to integer coefficients, introduced by Fukaya, Oh, Ohta and Ono and further adapted by Ekholm, Etnyre, and Sullivan and Karlsson respectively. We then explain how this strategy can be applied to find a concrete combinatorial formula for a mini-dipped pinch move, thereby completely determining the integral DGA maps for all decomposable, orientable Lagrangian cobordisms. If time permits, we will show how to obtain this formula in a model case. We will also go into future potential work, including applications to Heegaard Floer Homology and nonorientable cobordisms.

**Category**: Geometry and Topology**Duration**: 01:34:51**Date**: December 5, 2022 at 3:10 PM**Views**: 131-
**Tags:**seminar, Geometry and Topology Seminar

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