Authors : Roberts, Rachel (Author of the conference)
CIRM (Publisher )
Abstract :
Taut co-orientable foliations are associated with non-trivial elements of Heegard-Floer homology, hence, if a 3-manifold admits a taut, co-oriented foliation, it is not an L-space (Kronheimer-Mrowka-Ozsváth-Szabó). Conjecturally (Boyer-Gordon-Watson, Juhász), the converse is also true for irreducible manifolds. Thus far, the evidence from Dehn surgery on knots in S3 is consistent with this conjecture. We consider the L-space Knot Conjecture: if a knot has no reducible or L-space surgeries, then it is persistently foliar, meaning that for each boundary slope there is a taut, co-oriented foliation meeting the boundary of the knot complement in curves of that slope. For rational slopes, these foliations may be capped off by disks to obtain a taut, co-oriented foliation in every manifold obtained by Dehn surgery on that knot. I will describe an approach, applicable in a variety of settings, to constructing families of foliations realizing all boundary slopes. Recalling the work of Ghiggini, Hedden, Ni, Ozsváth-Szabó (and more recently, Juhász and Baldwin-Sivek) revealed that Dehn surgery on a knot in S3 can yield an L-space only if the knot is fibered and strongly quasipositive, we note that this approach seems to apply more easily when the knot is far from being fibered. As applications of this approach, we find that among the alternating and Montesinos knots, all those without reducible or L-space surgeries are persistently foliar. In addition, we find that any connected sum of alternating knots, Montesinos knots, or fibered knots is persistently foliar. Furthermore, any composite knot with a persistently foliar summand is easily shown to be persistently foliar. This work is joint with Charles Delman.
MSC Codes :
57M50
- Geometric structures on low-dimensional manifolds
Film maker : Hennenfent, Guillaume
Language : English
Available date : 10/01/2025
Conference Date : 09/12/2024
Subseries : Research talks
arXiv category : Geometric Topology
Mathematical Area(s) : Geometry ; Topology
Format : MP4 (.mp4) - HD
Video Time : 00:52:59
Targeted Audience : Researchers ; Graduate Students ; Doctoral Students, Post-Doctoral Students
Download : https://videos.cirm-math.fr/2024-12-09_Robert.mp4
|
Event Title : Foliations and Diffeomorphism Groups / Feuilletages et Groupes de Difféomorphisme Event Organizers : Eynard-Bontemps, Hélène ; Meigniez, Gaël ; Nariman, Sam ; Yazdi, Mehdi Dates : 09/12/2024 - 13/12/2024
Event Year : 2024
Event URL : https://conferences.cirm-math.fr/3082.html
DOI : 10.24350/CIRM.V.20275703
Cite this video as:
Roberts, Rachel (2024). Persistently foliar knots. CIRM. Audiovisual resource. doi:10.24350/CIRM.V.20275703
URI : http://dx.doi.org/10.24350/CIRM.V.20275703
|
See Also
-
[Multi angle]
On the group of real-analytic diffeomorphisms - lecture 3
/ Author of the conference Takashi, Tsuboi.
-
[Multi angle]
On the group of real-analytic diffeomorphisms - lecture 2
/ Author of the conference Takashi, Tsuboi.
-
[Multi angle]
On conjugate actions in dimension 1: applications to deformation and distortion - Lecture 3
/ Author of the conference Navas, Andrès.
-
[Multi angle]
On conjugate actions in dimension 1: applications to deformation and distortion - Lecture 2
/ Author of the conference Navas, Andrès.
-
[Multi angle]
Groups of Anosov-like homeomorphisms and foliations of the plane - lecture 3
/ Author of the conference Mann, Kathryn.
-
[Multi angle]
Groups of Anosov-like homeomorphisms and foliations of the plane -Lecture 2
/ Author of the conference Mann, Kathryn.
-
[Multi angle]
Veering triangulations and transverse foliations
/ Author of the conference Zung, Jonathan.
-
[Multi angle]
On the group of real-analytic diffeomorphisms - Lecture 1
/ Author of the conference Takashi, Tsuboi.
-
[Multi angle]
On conjugate actions in dimension 1: applications to deformation and distortion - Lecture 1
/ Author of the conference Navas, Andrès.
-
[Multi angle]
Using ergodic theory to study the cohomology of diffeomorphism groups
/ Author of the conference Monod, Nicolas.
-
[Multi angle]
Dynamics of surface homeomorphisms and fine curve graph
/ Author of the conference Militon, Emmanuel.
-
[Multi angle]
Taut foliations through a contact lens
/ Author of the conference Massoni, Thomas.
-
[Multi angle]
Groups of Anosov-like homeomorphisms and foliations of the plane - lecture 1
/ Author of the conference Mann, Kathryn.
-
[Multi angle]
Torus homeomorphisms and the fine curve graph
/ Author of the conference Le Roux, Frédéric.
-
[Multi angle]
Critical regularity and subexponential growth
/ Author of the conference Kim, Sang-Hyun.
-
[Multi angle]
Recent progress on groups of area-preserving homeomorphisms
/ Author of the conference Humilière, Vincent.
-
[Multi angle]
Distortion elements in groups of interval diffeomorphisms
/ Author of the conference Eynard-Bontemps, Hélène.
-
[Multi angle]
Foliations on the plane $ \mathbb{R}^{2}$, pre-laminations on the circle $\mathbb{S}^{1}$, group actions on the circle $\mathbb{S}^{1}$
/ Author of the conference Bonatti, Christian.
Bibliography