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Homotopy theory, homological algebra, algebraic treatments of manifolds.

9 votes
3 answers
1k views

Integration in equivariant K-theory

Let F be a smooth classifying space for K-theory (ordinary or equivariant). If X is a smooth compact manifold and W is a real vector space of dimension n, there is an integration map from the compactl …
Michael Ortiz's user avatar
12 votes
Accepted

Explanation for the Chern character

There is a nice discussion about multiplicative sequences, &c., in Lawson and Michelsohn's book "Spin Geometry". It discusses things like the Todd genus, the A-hat genus, and so on, but also the Chern …
Michael Ortiz's user avatar