If $R$ is an integral domain with field of fractions $K$, then a **fractional ideal** $I$ of $R$ is an $R$-submodule of $K$ such that there exists $d\in R-\{0\}$ with $$dI=\{da\mid a\in I\} \subseteq R\,.$$

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- Review status: reviewed
- Last edited by Holly Swisher on 2019-04-29 14:37:37

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**History:**(expand/hide all)

- 2019-04-29 14:37:37 by Holly Swisher (Reviewed)
- 2019-04-26 14:17:37 by Holly Swisher (Reviewed)
- 2019-04-26 14:15:36 by Holly Swisher (Reviewed)
- 2018-08-06 15:05:33 by John Jones

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