Program of Low-dimensional topology seminar

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

Thu, 23 Mar 2023

12:00 - 13:00

MPIM Lecture Hall

Ian Hambleton

Euler characteristics and 4-manifolds

Thu, 20 Apr 2023

12:00 - 13:00

MPIM Lecture Hall

Seppo Niemi-Colvin

Invariance of Knot Lattice Homotopy

Thu, 04 May 2023

12:00 - 13:00

MPIM Lecture Hall

Gordana Matic

tba -- CANCELLED --

Thu, 11 May 2023

12:00 - 13:00

MPIM Lecture Hall

Jiajun Yan

A New Gauge-Theoretic Construction of 4-Dimensional Hyperkähler ALE Spaces

Wed, 17 May 2023

16:30 - 17:30

MPIM Lecture Hall

Paula Truöl

Strongly quasipositive knots are concordant to infinitely many strongly quasipositive knots

Thu, 01 Jun 2023

10:30 - 11:30

MPIM Lecture Hall

Mihail Arabadji

The Nielsen realization for non-spin 4-manifolds

12:00 - 13:00

MPIM Lecture Hall

Gordana Matic

4-genus bounds from the 10/8+4 theorem

Thu, 15 Jun 2023

12:00 - 13:00

MPIM Lecture Hall

Fan Ye

SU(2) representations of small Dehn surgeries on knots

Thu, 06 Jul 2023

12:00 - 13:00

MPIM Lecture Hall

Andrew Lobb

Squeezed knots

Thu, 13 Jul 2023

12:00 - 13:00

MPIM Lecture Hall

Jeff Brock

Geometry, topology, and effective rigidity of hyperbolic 3-manifolds

Thu, 03 Aug 2023

12:00 - 13:00

MPIM Lecture Hall

Patrick Orson

Unknotting nonorientable surfaces topologically

Thu, 10 Aug 2023

12:00 - 13:00

MPIM Lecture Hall

Daniel Kasprowski

The double star construction

Thu, 17 Aug 2023

12:00 - 13:00

MPIM Lecture Hall

Honghao Gao

Building Lagrangian fillings

Thu, 31 Aug 2023

12:00 - 13:00

MPIM Lecture Hall

Alex Manchester

Satellite Constructions and Concordance

Tue, 07 Nov 2023

12:00 - 13:00

MPIM Lecture Hall

Laura Wakelin

Characterising slopes for knots of hyperbolic type

Tue, 14 Nov 2023

12:00 - 13:00

MPIM Lecture Hall

Hugo Zhou

PL-surfaces in homology 4-balls

Tue, 21 Nov 2023

12:00 - 13:00

MPIM Lecture Hall

Roberto Ladu

Non-smoothable homeomorphisms of 4-manifolds with boundary

Tue, 28 Nov 2023

12:00 - 13:00

MPIM Lecture Hall

Daniel Galvin

The Casson-Sullivan invariant for self-homeomorphisms of 4-manifolds

Tue, 05 Dec 2023

12:00 - 13:00

MPIM Lecture Hall

Paula Truöl

Strongly quasipositive knots are concordant to infinitely many strongly quasipositive knots

Tue, 12 Dec 2023

12:00 - 13:00

MPIM Lecture Hall

Benjamin Bode

T-homogeneous braids and braided open books

17:00 - 18:00

MPIM Lecture Hall

Kyle Hayden

Stably exotic surfaces and Khovanov homology

Thu, 25 Jan 2024

12:00 - 13:00

MPIM Lecture Hall

Fraser Binns

Surgery Problems, Geography Problems and the L-space conjecture

Tue, 13 Feb 2024

11:45 - 13:00

MPIM Lecture Hall

Fadi Mezher

Cobordism categories of manifolds with disc-presheaf structures

Tue, 20 Feb 2024

11:45 - 13:00

MPIM Lecture Hall

Rima Chatterjee

Contact surgery

Fri, 23 Feb 2024

14:00 - 16:00

MPIM Lecture Hall

Roberto Ladu

Crash course in differential topology, part I

Mon, 04 Mar 2024

14:00 - 16:00

MPIM Lecture Hall

Roberto Ladu

Crash course in differential topology, part II

Tue, 05 Mar 2024

11:45 - 13:00

MPIM Lecture Hall

Tanushree Shah

Tight contact structures on Seifert fibered 3-manifolds

Tue, 12 Mar 2024

11:45 - 13:00

MPIM Lecture Hall

Hongyi Zhou

Computing Heegaard Floer homology

Tue, 23 Apr 2024

11:45 - 13:00

MPIM Lecture Hall

Inanc Baykur

A dichotomy in dimension four

Tue, 28 May 2024

11:45 - 12:45

MPIM Lecture Hall

Álvaro del Pino

An introduction to Engel topology

Tue, 11 Jun 2024

11:45 - 12:45

MPIM Lecture Hall

Claudius Zibrowius

Khovanov homology and Conway mutation

Tue, 18 Jun 2024

11:45 - 12:45

MPIM Lecture Hall

Stefano Riolo

Hyperbolic 4-manifolds of low volume

Thu, 27 Jun 2024

11:45 - 13:00

MPIM Seminar Room

Lukas Lewark

Homogeneous braids are visually prime

Tue, 02 Jul 2024

11:45 - 12:45

MPIM Lecture Hall

Laura Marino

Gordian distance bounds from Khovanov homology

Tue, 16 Jul 2024

11:45 - 12:45

MPIM Lecture Hall

Patricia Sorya

Non-integral Dehn surgeries characterize composite knots

Tue, 23 Jul 2024

12:15 - 13:15

MPIM Seminar Room

Diego Santoro

Taut foliations from knot diagrams

Tue, 13 Aug 2024

11:45 - 12:45

MPIM Lecture Hall

Stavros Garoufalidis

Multivariable polynomials of knots from Nichols algebras

Tue, 03 Sep 2024

11:45 - 12:45

MPIM Lecture Hall

Mark Hughes

Double branched covers of 2-knots and $CP^2$

Tue, 17 Sep 2024

11:45 - 12:45

MPIM Lecture Hall

Sungkyung Kang

Dehn twist along Brieskorn spheres along their positive definite fillings

Tue, 24 Sep 2024

11:45 - 12:45

MPIM Lecture Hall

Gary Guth

Bordered Perspectives on Exotic Phenomena in 4D

Tue, 01 Oct 2024

11:45 - 12:45

MPIM Lecture Hall

Miguel Orbegozo Rodriguez

Murasugi sums and primeness of links

Tue, 08 Oct 2024

11:45 - 13:00

MPIM Lecture Hall

Daniel Hartman

Barbell diffeomorphisms and the Hatcher-Wagoner 2nd obstruction.

Tue, 15 Oct 2024

11:45 - 13:00

MPIM Lecture Hall

Daniel Galvin

Pseudo-isotopy of 3-manifolds

Tue, 22 Oct 2024

11:00 - 12:15

MPIM Lecture Hall

Léo Schelstraete

A novel approach to odd Khovanov homology

Thu, 31 Oct 2024

12:15 - 13:15

MPIM Lecture Hall

Marc Kegel

Characterizing and non-characterizing knots by 3-manifolds

Tue, 05 Nov 2024

11:00 - 12:15

MPIM Lecture Hall

Alice Merz

The Alexander and Markov theorems for links with symmetries

Tue, 19 Nov 2024

11:00 - 12:15

MPIM Seminar Room

Aru Ray

Slicing knots in general 4-manifolds

Tue, 26 Nov 2024

11:00 - 12:15

MPIM Lecture Hall

Isacco Nonino

Classifying tight contact structures on a family of hyperbolic L-spaces

Mon, 16 Dec 2024

14:00 - 15:00

MPIM Lecture Hall

Daniel Kasprowski

Stably exotic 4-manifolds and fillings

Tue, 17 Dec 2024

11:00 - 12:15

MPIM Lecture Hall

Mark Powell

Smoothing codimension two submanifolds

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