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A K(Z,4) in nature

Reimagining the Foundations of Algebraic Topology April 07, 2014 - April 11, 2014

April 11, 2014 (03:30 PM PDT - 04:30 PM PDT)
Speaker(s): Andre Henriques (Rijksuniversiteit te Utrecht)
Location: MSRI:
Video

Abstract

Topological spaces and simplicial sets have associated homotopy types (that is, the 1-category of topological spaces maps to the infinity-category of spaces, and so does the 1-category of simplicial sets), but these are not the only kind of mathematical objects that have associated homotopy types. In this talk, I will present a mathematical object (not a topological

space) that comes from the theory of von Neumann algebras, and whose associated homotopy type is K(Z,4).

Supplements
20467?type=thumb Henriques.Notes 726 KB application/pdf Download
Video/Audio Files

v1330

H.264 Video v1330.mp4 328 MB video/mp4 rtsp://videos.msri.org/data/000/020/429/original/v1330.mp4 Download
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