Abstract
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.
Original language | English |
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Pages (from-to) | 170-172 |
Number of pages | 3 |
Journal | Lettere al Nuovo Cimento Series 2 |
Volume | 41 |
Issue number | 6 |
DOIs | |
Publication status | Published - 1984 Oct 1 |
All Science Journal Classification (ASJC) codes
- Physics and Astronomy(all)