Singularities of Lagrangian Immersions and its Applications in Lagrangian Floer Theory
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arXiv
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| Format: | Preprint |
| Published: |
2023
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| _version_ | 1866909562377863168 |
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| author | Zhang, Zuyi |
| author_facet | Zhang, Zuyi |
| contents | In this article, we study the singularities of Lagrangian immersions into Cartesian product of surfaces. After applying a Hamiltonian isotopy in the Weinstein tubular neighbourhood of the Lagrangian immersion, the singular points of the Lagrangian immersion can be expressed locally as fold points with finitely many cusp points. This result has applications in comparing two Lagrangian Floer complexes associated to curves on surfaces related by a certain Lagrangian correspondence and the quilt Floer complex induced by these three Lagrangian immersions. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2303_05096 |
| institution | arXiv |
| publishDate | 2023 |
| record_format | arxiv |
| spellingShingle | Singularities of Lagrangian Immersions and its Applications in Lagrangian Floer Theory Zhang, Zuyi Geometric Topology Symplectic Geometry In this article, we study the singularities of Lagrangian immersions into Cartesian product of surfaces. After applying a Hamiltonian isotopy in the Weinstein tubular neighbourhood of the Lagrangian immersion, the singular points of the Lagrangian immersion can be expressed locally as fold points with finitely many cusp points. This result has applications in comparing two Lagrangian Floer complexes associated to curves on surfaces related by a certain Lagrangian correspondence and the quilt Floer complex induced by these three Lagrangian immersions. |
| title | Singularities of Lagrangian Immersions and its Applications in Lagrangian Floer Theory |
| topic | Geometric Topology Symplectic Geometry |
| url | https://arxiv.org/abs/2303.05096 |