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Dag Oskar Madsen
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The answer is no (in general) according to B. L. Osofsky, Global dimension of valuation rings, Corollary 3. For any $1 \leq n \leq \infty$, there are examples where $$\sup \{ {\rm{id}}(M) \mid M \text{ is a cyclic $R$-module} \}=1$$ and ${\rm{lD}}(R)=n$.

The answer is no according to B. L. Osofsky, Global dimension of valuation rings, Corollary 3.

The answer is no (in general) according to B. L. Osofsky, Global dimension of valuation rings, Corollary 3. For any $1 \leq n \leq \infty$, there are examples where $$\sup \{ {\rm{id}}(M) \mid M \text{ is a cyclic $R$-module} \}=1$$ and ${\rm{lD}}(R)=n$.

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Dag Oskar Madsen
  • 3.7k
  • 3
  • 28
  • 51

The answer is no according to B. L. Osofsky, Global dimension of valuation rings, Corollary 3.