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Invariance of symplectic cohomology and twisted cotangent bundles over surfaces

Abstract:
We prove that symplectic cohomology for open convex symplectic manifolds is invariant when the symplectic form undergoes deformations which may be nonexact and noncompactly supported, provided one uses the correct local system of coefficients in Floer theory. As a sample application beyond the Liouville setup, we describe in detail the symplectic cohomology for disc bundles in the twisted cotangent bundle of surfaces, and we deduce existence results for periodic magnetic geodesics on surfaces. In particular, we show the existence of geometrically distinct orbits by exploiting properties of the BV-operator on symplectic cohomology.
Publication status:
Published
Peer review status:
Peer reviewed

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Publisher copy:
10.1142/S0129167X20500706

Authors


More by this author
Institution:
University of Oxford
Division:
MPLS
Department:
Mathematical Institute
Role:
Author
ORCID:
0000-0001-8286-7887


Publisher:
World Scientific Publishing
Journal:
International Journal of Mathematics More from this journal
Volume:
31
Issue:
9
Publication date:
2020-07-30
Acceptance date:
2020-05-02
DOI:
EISSN:
1793-6519
ISSN:
0129-167X


Language:
English
Keywords:
Pubs id:
1103530
Local pid:
pubs:1103530
Deposit date:
2020-05-08

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