Non-loose realizations from non-zero hat Legendrian invariants
Non-loose realizations from non-zero hat Legendrian invariants
Let be an -component link admitting a Legendrian realization in with non-zero . Then there is a non-loose realization of in an overtwisted structure on such that
and
Non-loose realization conjecture. If the hat Legendrian invariant of a Legendrian realization is non-zero, then the construction produces a non-loose realization in an overtwisted contact structure with the stated and invariants. The preceding discussion notes that the corresponding case for taut foliations is confirmed, while the general assertion is presented as an expectation and remains open.
Sources & referencesView supporting material
Primary source
Alberto Cavallo and Irena Matkovič, “Legendrian invariants and half Giroux torsion”, arXiv:2310.07593 (2023).
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