Geometry and Topology Seminar

Series: Geometry and Topology Seminar Series

Khovanov skein lasagna modules and exotica

Michael Willis, Department of Mathematics, Texas A&M University,

The Khovanov skein lasagna module S(X;L) is a smooth invariant of a 4-manifold X with link L in its boundary. In this talk I will outline the construction of Khovanov skein lasagna modules, as well as new computations and applications including the detection of some exotic 4-manifolds. This work is joint with Qiuyu Ren.

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