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Lagrangian embedding, Maslov indexes and Integer graded symplectic Floer cohomology

Weiping Li

dg-gaarXiv:dg-ga/9602009

Abstract

We define an integer graded symplectic Floer cohomology and a spectral sequence which are new invariants for monotone Lagrangian sub-manifolds and exact isotopies. Such an integer graded Floer cohomology is an integral lifting of the usual Floer-Oh cohomology with Z (L) grading. As one of applications of the spectral sequence, we offer an affirmative answer to an Audin's question for oriented, embedded, monotone Lagrangian tori, i.e. (L) = 2.

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