Double-point enhanced GRID invariants and Lagrangian cobordisms

Fuente: arXiv
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Hauptverfasser: Lewis, Ashton, Ojakli, Zachary, Petkova, Ina, Shapiro, Benjamin
Format: Preprint
Veröffentlicht: 2025
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author Lewis, Ashton
Ojakli, Zachary
Petkova, Ina
Shapiro, Benjamin
author_facet Lewis, Ashton
Ojakli, Zachary
Petkova, Ina
Shapiro, Benjamin
contents We define an invariant of Legendrian links in the double-point enhanced grid homology of a link, and prove that it obstructs decomposable Lagrangian cobordisms in the symplectization of the standard contact structure on $\mathbb R^3$.
format Preprint
id arxiv_https___arxiv_org_abs_2505_07599
institution arXiv
publishDate 2025
record_format arxiv
spellingShingle Double-point enhanced GRID invariants and Lagrangian cobordisms
Lewis, Ashton
Ojakli, Zachary
Petkova, Ina
Shapiro, Benjamin
Geometric Topology
Symplectic Geometry
57K33 (primary), 57K18, 57R90 (secondary)
We define an invariant of Legendrian links in the double-point enhanced grid homology of a link, and prove that it obstructs decomposable Lagrangian cobordisms in the symplectization of the standard contact structure on $\mathbb R^3$.
title Double-point enhanced GRID invariants and Lagrangian cobordisms
topic Geometric Topology
Symplectic Geometry
57K33 (primary), 57K18, 57R90 (secondary)
url https://arxiv.org/abs/2505.07599