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A Seifert-van Kampen Theorem for Legendrian Submanifolds and Exact Lagrangian Cobordisms (1511.03375v2)
Published 11 Nov 2015 in math.SG
Abstract: We prove a Seifert-van Kampen theorem for Legendrian submanifolds and exact Lagrangian cobordisms, and use it to calculate the change in the DGA caused by critical Legendrian ambient surgery.