Hostname: page-component-586b7cd67f-tf8b9 Total loading time: 0 Render date: 2024-12-01T01:11:43.623Z Has data issue: false hasContentIssue false

A Note on Semihereditary Rings

Published online by Cambridge University Press:  20 November 2018

E. Enochs*
Affiliation:
University of Kentucky, Lexington, Kentucky
Rights & Permissions [Opens in a new window]

Extract

Core share and HTML view are not available for this content. However, as you have access to this content, a full PDF is available via the ‘Save PDF’ action button.

It's well known (see Endo [1]) that for a commutative ring A, if A is semihereditary then w.gl. dim. A ≤ 1. It seems worth recording the noncommutative version of this.

Type
Research Article
Copyright
Copyright © Canadian Mathematical Society 1973

References

1. Endo, S., On semihereditary rings, J. Math. Soc. Japan 13 (1961), 109119.Google Scholar
2. Maddox, B. H., Absolutely pure modules, Proc. Amer. Math. Soc. 18 (1967), 155158.Google Scholar
3. Cohn, P. M., On the free product of associative rings I, Math. Z. 71 (1959), 380398.Google Scholar
4. Megibben, C., Absolutely pure modules, Proc. Amer. Math. Soc. 26 (1970), 561566.Google Scholar
5. Lambek, J., A module is flat if and only if its character module is injective, Canad. Math. Bull. 7 (1964), 237243.Google Scholar