Four-dimensional quasi-Einstein non-reductive homogeneous spaces are Einstein.
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| Title: | Four-dimensional quasi-Einstein non-reductive homogeneous spaces are Einstein. |
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| Authors: | ABBASSI, MOHAMED TAHAR KADAOUI1 mtkabbassi@yahoo.fr, BOULAGOUAZ, KHADIJA1 khadijaboulagouaz@gmail.com |
| Source: | Extracta Mathematicae. 2025, Vol. 40 Issue 2, p253-275. 23p. |
| Database: | Mathematics Source |
| ISSN: | 02138743 |
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| DOI: | 10.17398/2605-5686.40.2.253 |