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Antisymplectic involution and Floer cohomology

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Title
Antisymplectic involution and Floer cohomology
Author(s)
Kenji Fukaya; Yong-Geun Oh; Hiroshi Ohta; Kaoru Ono
Publication Date
2017-02
Journal
GEOMETRY & TOPOLOGY, v.21, no.1, pp.1 - 106
Publisher
GEOMETRY & TOPOLOGY PUBLICATIONS
Abstract
The main purpose of the present paper is a study of orientations of the moduli spaces of pseudoholomorphic discs with boundary lying on a real Lagrangian submanifold, ie the fixed point set of an antisymplectic involution on a symplectic manifold. We introduce the notion of –relative spin structure for an antisymplectic involution and study how the orientations on the moduli space behave under the involution . We also apply this to the study of Lagrangian Floer theory of real Lagrangian submanifolds. In particular, we study unobstructedness of the –fixed point set of symplectic manifolds and, in particular, prove its unobstructedness in the case of Calabi–Yau manifolds. We also do explicit calculation of Floer cohomology of RP2nC1 over Z 0;nov , which provides an example whose Floer cohomology is not isomorphic to its classical cohomology. We study Floer cohomology of the diagonal of the square of a symplectic manifold, which leads to a rigorous construction of the quantum Massey product of a symplectic manifold in complete generality. (c) Copyright 2017 Mathematical Sciences Publishers. All rights reserved
URI
http://pr.ibs.re.kr/handle/8788114/3473
DOI
10.2140/gt.2017.21.1
ISSN
1364-0380
Appears in Collections:
Center for Geometry and Physics(기하학 수리물리 연구단) > Journal Papers (저널논문)
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