A local coefficient system $A\hookrightarrow E \to B$ is a fiber bundle $p:E\to B$ such that
- The fiber is a discrete abelian group $A$
- The structure group $G$ is a subset of Aut$(A)$
Is the action of $\pi_1(B)$ on $A$ necessarily a homomorphism?
2026-03-29 12:41:11.1774788071
Local coefficient System and the action of fundamental group
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