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5.6 (1976)

Solved

If $R$ is a finitely generated integral domain of characteristic $p > 0$, does the profinite (ideal) topology of $R$ induce the profinite topology on the group of units of $R$? It does for $p = 0$.

Contributor: B. A. F. Wehrfritz

Progress

Yes, it does (D. Segal, Bull. London Math. Soc., 11 (1979), 186–190).

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