New lower bounds on the number of intersections of monotone Lagrangian submanifolds
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Abstract:
Considering a closed monotone Lagrangian submanifold $L,$ we give, under some hypotheses, a lower bound on the intersection number of $L$ with its image by a generic Hamiltonian isotopy. First for monotone Lagrangian submanifolds $L$ which are $\mathbf {K}(\pi ,1)$ and, in particular, for monotone Lagrangian submanifolds with negative sectional curvature this bound is 1+$\beta _{1}(L).$ In more general cases the lower bound is weaker. We generalise some results previously obtained by L. Buhovsky in [J. Topol. Anal. 2 (2010), pp. 57–75] and P. Biran and O. Cornea in [Geom. Topol. 13 (2009), pp. 2881–2989].References
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Additional Information
- Nassima Keddari
- Affiliation: Université de Strasbourg, IRMA, 7 rue René Descartes, 67084 Strasbourg, France
- Email: nassima.keddari@ac-strasbourg.fr
- Received by editor(s): April 11, 2017
- Received by editor(s) in revised form: April 27, 2018, and June 16, 2018
- Published electronically: November 4, 2022
- © Copyright 2022 American Mathematical Society
- Journal: Trans. Amer. Math. Soc. 376 (2023), 753-772
- MSC (2010): Primary 51H20
- DOI: https://doi.org/10.1090/tran/7640
- MathSciNet review: 4531661