Invariants of knots and 3-manifold

Lecture course with Wolfgang Lück, Summer 2018

Tu. 15 - 17h, Th. 13 - 15h, MPIM Lecture Hall


Peter:


May 3: How to see low-dimensional manifolds, up to dimension 4


May 8: Classification of compact manifolds up to dimension 3


May 15: 4-manifolds and Kirby calculus


May 17: Reading off invariants from handle decompositions


June 5: Intersection forms in algebra and topology


June 21: Signature invariants


June 26: C*- and von Neumann algebras


June 28: L^2 signatures of knots


July 12: Casson-Gordon invariants via L^2-signatures


July 17: Filtrations of the knot concordance group


July 19: Some open problems in low-dimensional topology


Wolfgang:


April 10 & 12: Survey on 3-manifolds


April 12 & 17: Cobordism theory and the s-cobordism theorem


April 17 & 19: Introduction to surgery theory


April 24 & 26: L^2-Betti numbers


May 29 & June 12: Classical torsion and L^2-torsion


June 14 & 19: L^2-invariants and 3-manifolds


July 10: The stable Cannon conjecture


Guest lectures:


June 7: The Alexander polynomial, Aru Ray


July 3: Fibred knots, Filip Misev


July 5: Gauge theory and applications to knot concordance, Paolo Aceto