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A note on some chain conditions |
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| Authors: | Noômen Jarboui |
| Affiliation: | (1) Department of Mathematics, Faculty of Sciences of Sfax, 3018 Sfax, P.O.Box: 802, Tunisia, Africa |
| Abstract: | We answer a question raised by Othman Echi: Is an E 1 (resp., a C 1) ring an E (resp., a C) ring? We construct a C 1 (thus E 1) ring which is not an E 2 (thus not a C 2) ring. Received: 11 June 2007 |
| Keywords: | Primary 13B02 Secondary 13C15, 13A17, 13A18, 13B25, 13E05 |
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