In-Person and Online Talk 

Zoom Link: https://princeton.zoom.us/j/453512481?pwd=OHZ5TUJvK2trVVlUVmJLZkhIRHFDUT09

When is a map of a surface into a 4-manifold homotopic to an embedding? I will describe a general approach to this question, focusing on explicit geometric techniques. The talk is based on joint work with Daniel Kasprowski, Mark Powell, and Peter Teichner.