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The extra dimensions of the eleven-dimensional simple supergravity are ricci-flat if they are compact

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Lettere al Nuovo Cimento (1971-1985)

Summary

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.

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Partially supported by the National Science Counil of the Republic of China under contract number NSC-73-0208-M008-04.

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Chen, MQ., Chern, DC., Hsu, RR. et al. The extra dimensions of the eleven-dimensional simple supergravity are ricci-flat if they are compact. Lett. Nuovo Cimento 41, 170–172 (1984). https://doi.org/10.1007/BF02747268

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  • DOI: https://doi.org/10.1007/BF02747268

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