Embedding surfaces in 4-manifolds

Abstract: I will present a surface embedding theorem for 4-manifolds with good fundamental group in the presence of potentially unframed, immersed dual spheres. The essential obstruction is the Kervaire-Milnor invariant and a goal of the talk is to describe how it may be computed. This is based on joint work with Daniel Kasprowski, Mark Powell, and Peter Teichner.

algebraic geometryanalysis of PDEsalgebraic topologycomplex variablesdifferential geometrygeneral topologygeometric topologyK-theory and homologymetric geometrysymplectic geometry

Audience: researchers in the topic

CRM - Séminaire du CIRGET / Géométrie et Topologie

Series comments: Hybrid seminar of geometry and topology. Laboratory : CIRGET - www.cirget.uqam.ca The homepage of the seminar is www.cirget.uqam.ca/fr/seminaires.html

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The livestream is on Zoom at : uqam.zoom.us/j/98999725241 (no password is needed).

The recorded talks can be found at CIRGET channel : www.youtube.com/channel/UCLkFm-uEvXSf9y-iQtWOLWA