§47.3 “Injective modules¶
The Stacks Project. §47.3 “Injective modules.
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Domain-specific¶
- Essential Extension
- The fraction-field argument is the algebraic one here, not an assertion that every enlargement of a group is essential.
This sourceOriginal reference for maximal-essential-extension characterization and injectivity of the fraction field of a domain, specialized here to $\mathbb Z\subseteq\mathbb Q$.
- The fraction-field argument is the algebraic one here, not an assertion that every enlargement of a group is essential.
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Registry ID ref:1965451e30ce · see in the full table