MPIM Topology Seminar, Montags 16:30 - 18:00

Fall 2018:

Sept. 24: New topologists at MPIM, 10 minute introductory talks.

15-16 and 16:30-18.

Oct. 1: Filip Misev

Positivity, fibering and concordance

Oct. 8: Noémie Combe

Weyl-Coxeter chambers and the configuration space of points in the plane

Oct. 15: Hannah Schwartz

Using 2-torsion to obstruct topological isotopy

Oct. 22: New topologists at MPIM, part II of the 10 minute introductory talks.

15-16 and 16:30-18.

Oct. 29: Thomas Heidersdorf: Quantum knot invariants and their categorification

15-16h: Matt Young: Chern-Simons theory as a TQFT

Nov. 5: Matt Young: Functorial properties of classical Chern-Simons theory

15-16h: Catharina Stroppel: From quantum invariants of knots to categorification

Nov. 12: Mark Penney: Modular tensor categories and 3D TQFTs

Nov. 19: Catharina Stroppel: From quantum invariants of knots to categorification, part 2

Nov. 26: Renaud Detcherry: Reshetikhin-Turaev TQFTs

Dec. 3: Alberto Cavallo

Dec. 10: Daniele Zuddas

Dec. 17: Danica Kosanovich

Summer 2018:

May 7: Peter Feller

Complex plane curves, their intersection with round spheres, and knot concordance

May 14: Jan Pulmann

Kontsevich integral with a non-even associator and cabling

May 28: Augusto Stoffel

Introduction to elliptic cohomology

June 4: Bertram Arnold

Construction of elliptic cohomology, following Jacob Lurie's recent papers

June 11: Chris Davis

Concordance genus and the solvable filtration

June 18: Paolo Aceto

Pretzel links, mutation, and the slice ribbon conjecture

June 25: JungHwan Park

Rational cobordism and integral homology

July 2: No talk

July 9: Antonio de Capua

Course Teichmüller geometry and train tracks

July 16: Peter Scholze

An informal THH session for topologists

July 23: Nitu Kitchloo

Quantization of the Modular Functor and equivariant elliptic cohomology

July 30: Rob Schneiderman

The lightbulb trick in general 4-manifolds

Spring 2018:

January 8: Ben Knudsen

Subdivisional spaces and graph braid groups

January 22: Aru Ray

Cabling and the solvable filtration of knot concordance

January 29: Lorant Szegedy

Topological field theory on r-spin surfaces and the Arf invariant

February 19: JungHwan Park

A ribbon obstruction and derivatives of knots

February 26: Paolo Aceto

Rational homology cobordisms of plumbed manifolds and arborescent link concordance


August 4: Danica Kosanovich

Witten-Reshetikhin-Turaev invariants of tangles and 3-manifolds

August 7: Rob Schneiderman and Peter Teichner

Kontsevich integral of string links, grope cobordism and Whitney towers

August 14: Eugene Rabinovich

The Path from Perturbative Chern-Simons Theory to Knot Invariants

August 21: Arumina Ray

Le-Murakami-Ohtsuki invariants of links and 3-manifolds

August 28: Peter Feller

Habiro’s integrality results for LMO-invariants

September 4: JungHwan Park

The Kontsevich integral revisited

September 11: Andrew Lobb

The Khovanov space and generalizations

September 18: Mark Powell

Surface systems of links and refined triple linking numbers

September 25: Danica Kosanovic

A categorical approach to universal knot invariants

October 2: Chris Davis

Knots in homology spheres and the solvable filtration

October 9: Yuqing Shi

Compactified configuration spaces and knot invariants

October 16: Peter Teichner

Goodwillie-Weiss calculus and Feynman diagrams

October 23: Chris Elliott

Topological Twists of Factorization Algebras

November 6: Achim Krause

Knot invariants from cosimplicial spaces of configurations

November 13: Hirzebruch Colloquium by Walter Neumann

Course Geometry

November 20: Peter Teichner

Feynman diagrams and a spectral sequence for the space of knots.

November 27: Min Hoon Kim

The bipolar filtration of topologically slice knots

December 4: Jae Choon Cha

Transfinite Milnor invariants of 3-manifolds

December 18: Matthias Nagel

Multivariable signatures, genus bounds, and 0.5-solvable cobordisms