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Multiple Derived Lagrangian Intersections
Published 3 Sep 2013 in math.AG, math.AT, and math.KT | (1309.0596v2)
Abstract: We give a new way to produce examples of Lagrangians in shifted symplectic derived stacks, based on multiple intersections. Specifically, we show that an m-fold fiber product of Lagrangians in a shifted symplectic derived stack its itself Lagrangian in a certain cyclic product of pairwise homotopy fiber products of the Lagrangians.
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