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Lagrangian zigzag cobordisms
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DOI：10.1142/S1793525326500275.png)
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Abstract
En 中文
In this paper, we investigate an equivalence relation on Legendrian knots in the standard contact three-space defined by the existence of an interpolating zigzag of Lagrangian cobordisms. We compare this relation, restricted to genus-0 surfaces, to smooth concordance and Lagrangian concordance. We then study the metric monoid formed by the set of Lagrangian zigzag concordance classes, which parallels the metric group formed by the set of smooth concordance classes, proving structural results about torsion and satellite operators. Finally, we discuss the relation of Lagrangian zigzag cobordism to non-classical invariants of Legendrian knots.
Keywords:
Legendrian links
Lagrangian cobordisms
Journal
J
IF:
0.4
Papers:
36
Citations:
0
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