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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 (Universiteit Utrecht)
Location: MSRI:
Primary Mathematics Subject Classification No Primary AMS MSC
Secondary Mathematics Subject Classification No Secondary AMS MSC
Video

v1330

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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