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Low-dimensional topology seminar

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Organiser(s): 
Xujia Chen, Daniel Hartman, Léo Schelstraete, Paula Truöl
Datum: 
Don, 23/03/2023 - 11:00 - Mit, 28/01/2026 - 12:15
Location: 
MPIM Lecture Hall
Details: 
Program and Abstracts of Low-dimensional topology seminar


Upcoming talks

Past talks

For the abstracts click on the titles or see the list of abstracts.

Die, 20 Jan 2026

11:00 - 12:00
MPIM Lecture Hall
Chun-Sheng Hsueh
Mutual arc presentations and braided open books

Die, 16 Dez 2025

11:00 - 12:00
MPIM Seminar Room
Naageswaran Manikandan
Khovanov homology and positivity notions

Die, 09 Dez 2025

11:00 - 12:00
MPIM Lecture Hall
Filippos Ilarion Sytilidis
Towards a finite presentation of the 3-dimensional bordism bicategory

Die, 02 Dez 2025

11:00 - 12:00
MPIM Lecture Hall
Florian Naef
Rational Embedding calculus via Frobenius algebras

Die, 04 Nov 2025

11:00 - 12:00
MPIM Lecture Hall
Robin Koytcheff
Milnor invariants and thickness of spherical links

Don, 30 Okt 2025

12:15 - 13:15
MPIM Lecture Hall
LDT seminar: Lightning talk session

Don, 23 Okt 2025

13:00 - 14:00
MPIM Lecture Hall
David Gay
Messing around in the 1-2 subgroup of the smooth mapping class group of S^4

Mit, 08 Okt 2025

11:00 - 12:00
MPIM Lecture Hall
Giulio Belletti
Finiteness of Kauffman bracket skein modules

Die, 05 Aug 2025

11:00 - 12:00
MPIM Lecture Hall
Karim Ritter von Merkl
Computing colored Khovanov homology

Die, 22 Jul 2025

11:00 - 12:00
MPIM Seminar Room
Rafael Torres
[LDT seminar] Smooth structures on Q-homology real projective 4-spaces

Don, 17 Jul 2025

11:00 - 12:00
MPIM Lecture Hall
Qiuyu Ren
Khovanov skein lasagna modules with 1-dimensional inputs

Die, 15 Jul 2025

11:00 - 12:00
MPIM Lecture Hall
Ivan Yakovlev
Metric ribbon graphs

Die, 01 Jul 2025

11:00 - 12:00
MPIM Lecture Hall
Eduardo Fernandez 
(LDT seminar) Non-flexible loops of loose Legendrians in 3 dimensions

Die, 17 Jun 2025

11:00 - 12:00
MPIM Lecture Hall
Robert Schneiderman
Linking of 2-spheres in 4-space

Die, 10 Jun 2025

11:00 - 12:00
MPIM Lecture Hall
Simona Veselá
Obstruction theory for the existence of 4-dimensional $\xi$-fillings of 3-manifolds

Die, 20 Mai 2025

11:00 - 12:00
MPIM Lecture Hall
Csaba Nagy
Classifying 8-dimensional E-manifolds

Die, 06 Mai 2025

11:00 - 12:00
MPIM Seminar Room
Paolo Salvatore
(LDT seminar) Kontsevich integrals and configuration spaces

Die, 22 Apr 2025

11:00 - 12:00
MPIM Lecture Hall
Inanc Baykur
Geometric simple connectivity in dimension four

Die, 15 Apr 2025

11:00 - 12:00
MPIM Lecture Hall
Neeti Gauniyal
Polyak-Viro type formulas for high-(co)dimensional smooth knots and links

Die, 08 Apr 2025

11:00 - 12:00
MPIM Lecture Hall
Tejas Kalelkar
Connecting essential triangulations

Die, 01 Apr 2025

11:00 - 12:00
MPIM Lecture Hall
Chen Zhang
d invariants obstruction to sliceness of a class of algebraically slice knots

Die, 18 Mär 2025

11:00 - 12:30
MPIM Lecture Hall
Stefan Behrens
CANCELLED/Stable homotopy in low dimensional topology

Die, 17 Dez 2024

11:00 - 12:15
MPIM Lecture Hall
Mark Powell
Smoothing codimension two submanifolds

Mon, 16 Dez 2024

14:00 - 15:00
MPIM Lecture Hall
Daniel Kasprowski
Stably exotic 4-manifolds and fillings

Die, 26 Nov 2024

11:00 - 12:15
MPIM Lecture Hall
Isacco Nonino
Classifying tight contact structures on a family of hyperbolic L-spaces

Die, 19 Nov 2024

11:00 - 12:15
MPIM Seminar Room
Aru Ray
Slicing knots in general 4-manifolds

Die, 05 Nov 2024

11:00 - 12:15
MPIM Lecture Hall
Alice Merz
The Alexander and Markov theorems for links with symmetries

Don, 31 Okt 2024

12:15 - 13:15
MPIM Lecture Hall
Marc Kegel
Characterizing and non-characterizing knots by 3-manifolds

Die, 22 Okt 2024

11:00 - 12:15
MPIM Lecture Hall
Léo Schelstraete
A novel approach to odd Khovanov homology

Die, 15 Okt 2024

11:45 - 13:00
MPIM Lecture Hall
Daniel Galvin
Pseudo-isotopy of 3-manifolds

Die, 08 Okt 2024

11:45 - 13:00
MPIM Lecture Hall
Daniel Hartman
Barbell diffeomorphisms and the Hatcher-Wagoner 2nd obstruction.

Die, 01 Okt 2024

11:45 - 12:45
MPIM Lecture Hall
Miguel Orbegozo Rodriguez
Murasugi sums and primeness of links

Die, 24 Sep 2024

11:45 - 12:45
MPIM Lecture Hall
Gary Guth
Bordered Perspectives on Exotic Phenomena in 4D

Die, 17 Sep 2024

11:45 - 12:45
MPIM Lecture Hall
Sungkyung Kang
Dehn twist along Brieskorn spheres along their positive definite fillings

Die, 03 Sep 2024

11:45 - 12:45
MPIM Lecture Hall
Mark Hughes
Double branched covers of 2-knots and $CP^2$

Die, 13 Aug 2024

11:45 - 12:45
MPIM Lecture Hall
Stavros Garoufalidis
Multivariable polynomials of knots from Nichols algebras

Die, 23 Jul 2024

12:15 - 13:15
MPIM Seminar Room
Diego Santoro
Taut foliations from knot diagrams

Die, 16 Jul 2024

11:45 - 12:45
MPIM Lecture Hall
Patricia Sorya
Non-integral Dehn surgeries characterize composite knots

Die, 02 Jul 2024

11:45 - 12:45
MPIM Lecture Hall
Laura Marino
Gordian distance bounds from Khovanov homology

Don, 27 Jun 2024

11:45 - 13:00
MPIM Seminar Room
Lukas Lewark
Homogeneous braids are visually prime

Die, 18 Jun 2024

11:45 - 12:45
MPIM Lecture Hall
Stefano Riolo
Hyperbolic 4-manifolds of low volume

Die, 11 Jun 2024

11:45 - 12:45
MPIM Lecture Hall
Claudius Zibrowius
Khovanov homology and Conway mutation

Die, 28 Mai 2024

11:45 - 12:45
MPIM Lecture Hall
Álvaro del Pino
An introduction to Engel topology

Die, 23 Apr 2024

11:45 - 13:00
MPIM Lecture Hall
Inanc Baykur
A dichotomy in dimension four

Die, 12 Mär 2024

11:45 - 13:00
MPIM Lecture Hall
Hongyi Zhou
Computing Heegaard Floer homology

Die, 05 Mär 2024

11:45 - 13:00
MPIM Lecture Hall
Tanushree Shah
Tight contact structures on Seifert fibered 3-manifolds

Mon, 04 Mär 2024

14:00 - 16:00
MPIM Lecture Hall
Roberto Ladu
Crash course in differential topology, part II

Fre, 23 Feb 2024

14:00 - 16:00
MPIM Lecture Hall
Roberto Ladu
Crash course in differential topology, part I

Die, 20 Feb 2024

11:45 - 13:00
MPIM Lecture Hall
Rima Chatterjee
Contact surgery

Die, 13 Feb 2024

11:45 - 13:00
MPIM Lecture Hall
Fadi Mezher
Cobordism categories of manifolds with disc-presheaf structures

For older events also see the Program.

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