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Lukas Lewark's user avatar
Lukas Lewark's user avatar
Lukas Lewark's user avatar
Lukas Lewark
  • Member for 12 years, 7 months
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About

I'm a mathematician active in the fields of low-dimensional topology and knot theory. In particular, I'm interested in knot concordance and Khovanov-Rozansky homologies.

Since August 2023, I work as a Senior Scientist at ETH Zurich.

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Top posts
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question
14
Knots with high unknotting number relative to their genus
Nov 8, 2017
question
10
Isomorphism type of the knot concordance group
Apr 6, 2022
question
8
Is the "surface-minor" ordering of plane graphs a well-quasi-ordering?
Jul 12, 2017
answer
7
topological "milnor's conjecture" on torus knots.
Nov 27, 2017
question
6
Locally flat non-smooth discs
Apr 12, 2013
answer
6
When do two positive braids represent the same link?
Jul 12, 2017
answer
6
Infinite family of different prime knots with trivial Alexander polynomial
Dec 17, 2021
question
5
Do knot/link Floer homology detect variations of link genus?
Mar 17, 2022
question
5
Picard-Lindelöf: "differentiable" instead of "Lipschitz"
Oct 22, 2023
answer
4
Glueing two 2-tangles
Feb 7, 2022
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16
Prove that there is a two-sheeted covering of the Klein bottle by the torus
9
Is $\text{Hom}(A,\mathbb{Z})$ a product of free abelian groups for all abelian groups $A$?