Exercise 111.56.4 (09TZ)—The Stacks project

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Table of contents
Part 9: Miscellany
Chapter 111: Exercises
Section 111.56: Schemes, Final Exam, Fall 2013
Exercise 111.56.4 (cite)

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Exercise 111.56.4. Give an example of an injective local homomorphism $A \to B$ of local rings, such that $\mathop{\mathrm{Spec}}(B) \to \mathop{\mathrm{Spec}}(A)$ is not surjective.

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