Unifying 4-Dimensional Knot Theory

Videos from BIRS Workshop 19w5118

, University of Texas at Austin
- 09:50
Higher-dimensional knot groups and decision problems
Watch video | Download video: 201911040902-Gordon.mp4 (248M)
, University of Sydney
- 15:21
Four dimensional tangles, finite type invariants and Lie theory
Watch video | Download video: 201911041430-Dancso.mp4 (310M)
, University of Leeds
- 16:36
Loop braid groups and a new lift of Artin’s representation
Watch video | Download video: 201911041546-Damiani.mp4 (284M)
, University of California-Davis
- 09:55
Symplectic topology for 4-manifolds
Watch video | Download video: 201911050900-Starkston.mp4 (272M)
, Brigham Young University
- 12:01
Braided surfaces with caps and positive branch points
Watch video | Download video: 201911051115-Hughes.mp4 (294M)
, Princeton University
- 14:26
On the failure of the lightbulb lemma
Watch video | Download video: 201911051330-Gabai.mp4 (303M)
, Princeton University
- 15:34
Concordance of lightbulbs
Watch video | Download video: 201911051450-Miller.mp4 (271M)
, Max Plank Institute for Mathematics
- 16:41
Knotted singular surfaces in $S^4$
Watch video | Download video: 201911051545-Kjuchukova.mp4 (279M)
, Max Plank Institute for Mathematics
- 09:56
Geometrically transverse spheres in 4-manifolds
Watch video | Download video: 201911060901-Ray.mp4 (292M)
, University of Texas Austin
- 11:16
Topologically trivial proper 2-knots
Watch video | Download video: 201911061021-Gompf.mp4 (295M)
, Kansas State University
- 12:13
From Exotic Surfaces to Exotic Homotopy Classes of Diffeomorphisms
Watch video | Download video: 201911061125-Auckly.mp4 (281M)
, Brandeis University
- 09:54
Spines for spineless 4-manifolds
Watch video | Download video: 201911070901-Ruberman.mp4 (303M)
, Kyungpook National University
- 10:56
On quandle cocycles and abelian extensions associated with group extensions
Watch video | Download video: 201911071017-Kim.mp4 (145M)
, Institute for Basic Science
- 14:22
Isotopies of surfaces in 4-manifolds
Watch video | Download video: 201911071333-Kim.mp4 (194M)
, Univeristy of Nebraska
- 15:29
On 2-knots and Connected Sums with Projective Planes
Watch video | Download video: 201911071447-Longo.mp4 (224M)
, University of Georgia
- 16:35
0-concordance of surface knots and Alexander ideals
Watch video | Download video: 201911071546-Joseph.mp4 (273M)
, University of Toronto
- 09:47
Concordance for framed and twisted virtual knots
Watch video | Download video: 201911080901-Gaudreau.mp4 (340M)
, University of South Alabama
- 11:01
Braiding branched coverings
Watch video | Download video: 201911081014-Carter.mp4 (173M)
, McMaster University
- 12:11
The Jones-Krushkal polynomial and minimal diagrams of surface links
Watch video | Download video: 201911081116-Boden.mp4 (346M)