Conjecture on strong quasipositivity and Morse-Smale characteristic foliations
Conjecture on strong quasipositivity and Morse-Smale characteristic foliations
Let be a contact -manifold and let a transverse link in be given. A Seifert surface for the link has a Morse-Smale characteristic foliation with positive singular points when its characteristic foliation is Morse-Smale and all its singular points are positive. Strong quasipositivity conjecture. The transverse link is strongly quasipositive if and only if it has a Seifert surface whose characteristic foliation is Morse-Smale with positive singular points. This is proposed by analogy with the preceding characterization of Stein quasipositivity; the source gives no resolution, so the conjecture remains open.
Sources & referencesView supporting material
Primary source
Kyle Hayden, “Quasipositive links and Stein surfaces”, arXiv:1703.10150 (2020).
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