What is … a homotopy invariant?

This page hosts information on Alexander Müller's talk "What is… a homotopy invariant?" at the "What is …?" seminar. This talk may help you better understand the talk by Hélène Barcelo.

Where & When

• Friday, February 2, 1.00pm @ Urania BMS Loft

Abstract

• We will introduce and explain the fundamental notions of homotopy theory

underlying all of algebraic topology. Path components, homotopy groups of spheres, Betti numbers: homotopy invariants are diverse and powerful tools to understand spaces of all flavours.