Questions tagged [k-homology]
The k-homology tag has no usage guidance.
2
questions with no upvoted or accepted answers
11
votes
0
answers
883
views
Higher traces in Hochschild cohomology
Let $A$ be an associative algebra over a field $k$. Let $\rho:A \rightarrow \mathrm{End}(M)$ a left module, finite dimensional over $k$. Then the map $a \mapsto \mathrm{tr}_M \rho(a)$ is a well ...
2
votes
0
answers
66
views
Understanding the relationship between Spin$^c$ orientations and Spin$^c$ structures
I'm looking for some guidance in understanding and writing down a proof of the following statement, concerning the relationship between Spin$^c$ structures and Spin$^c$ orientations, from an ...