摘要
By using the de Rham-Yano-Bochner lemma on harmonic tensor fields in a compact orientable manifold, we show that the extra dimensions in eleven-dimensional simple supergravity will he Ricci-flat if they are compact.
原文 | English |
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頁(從 - 到) | 170-172 |
頁數 | 3 |
期刊 | Lettere al Nuovo Cimento Series 2 |
卷 | 41 |
發行號 | 6 |
DOIs | |
出版狀態 | Published - 1984 十月 1 |
All Science Journal Classification (ASJC) codes
- Physics and Astronomy(all)