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Results tagged with bimodules
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user 12166
10
votes
Accepted
Morphisms between $K_0$
I'd say no to both questions.
1) If $k$ is a field then $K_0(k)= \mathbb Z$ generated by $[k]$ and the class of any $k$-module is positive, so $-n\colon K_0(k)\rightarrow K_0(k)$ cannot be induced b …
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