Hostname: page-component-848d4c4894-m9kch Total loading time: 0 Render date: 2024-06-08T16:01:17.810Z Has data issue: false hasContentIssue false

A note on semigroups in rings

Published online by Cambridge University Press:  09 April 2009

Steve Ligh
Affiliation:
Department of Mathematics, University of Southwestern Louisiana, Lafayette, Louisiana, USA.
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.

Recently J. Cresp and R. P. Sullivan (1975) investigated those rings R with the following properties: (*) every multiplicative subsemigroup of R is a subring. (**) every multiplicative subsemigroup of R containing 0 is a subring. For rings with (*) they obtained the following characterization.

Type
Research Article
Copyright
Copyright © Australian Mathematical Society 1977

References

Cresp, J. and Sullivan, R. P. (1975), ‘Semigroups in rings’, J. Austral. Math. Soc. 20, 172177.Google Scholar
Gluskin, L. M. (1963), ‘Ideals in rings and their multiplicative semigroups’, Uspedni Mat. Nauk. (N. S.) 15, 4 (94), 141148; translated in Amer. Math. Soc. Translations, 27 (2) 297–304.Google Scholar
Ligh, Steve (1969), “On boolean near-rings”, Bull. Austral. Math. Soc. 1, 375379.CrossRefGoogle Scholar
Ligh, Steve, McQuarrie, Bruce and Slotterbeck, Oberta (1972), ‘On near-fields’, J. London Math. Soc. (2) 5, 8790.Google Scholar
Ligh, Steve and Neal, Larry (1974), ‘A note on Mersenne numbers’, Math. Magazine 47, 231233.CrossRefGoogle Scholar