A Seifert-van Kampen Theorem for Legendrian Submanifolds and Exact Lagrangian Cobordisms
arXiv:1511.03375
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.
arXiv comment68 pages, 14 figures