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1. • CommentRowNumber1.
   • CommentAuthorUrs
   • CommentTimeJan 4th 2013
   • PermaLink
   Author: Urs
   Format: MarkdownItex_[[Freund-Rubin compactification]]_

   Freund-Rubin compactification

2. • CommentRowNumber2.
   • CommentAuthorUrs
   • CommentTimeMay 25th 2020
   • (edited May 25th 2020)
   • PermaLink
   Author: Urs
   Format: MarkdownItexhave added this pointer: * [[Riccardo D'Auria]], [[Pietro Fre]], [[Peter van Nieuwenhuizen]], _Symmetry Breaking in $d=11$ Supergravity on the Parallelized Seven Sphere_, Phys. Lett. B 122 (1983) 225 ([spire:181634](https://inspirehep.net/literature/181634), <a href="https://doi.org/10.1016/0370-2693(83)90689-5">doi:10.1016/0370-2693(83)90689-5</a>) <a href="https://ncatlab.org/nlab/revision/diff/Freund-Rubin+compactification/14">diff</a>, <a href="https://ncatlab.org/nlab/revision/Freund-Rubin+compactification/14">v14</a>, <a href="https://ncatlab.org/nlab/show/Freund-Rubin+compactification">current</a>

   have added this pointer:

   • Riccardo D’Auria, Pietro Fre, Peter van Nieuwenhuizen, Symmetry Breaking in $d=11$ Supergravity on the Parallelized Seven Sphere, Phys. Lett. B 122 (1983) 225 (spire:181634, doi:10.1016/0370-2693(83)90689-5)

   diff, v14, current

3. • CommentRowNumber3.
   • CommentAuthorUrs
   • CommentTime3 hours ago
   • (edited 3 hours ago)
   • PermaLink
   Author: Urs
   Format: MarkdownItexadded a section ([here](https://ncatlab.org/nlab/show/Freund-Rubin+compactification#Details)) spelling out the computation that underlies the original observation of [Freund & Rubin 1980](https://ncatlab.org/nlab/show/Freund-Rubin+compactification#FreundRubin80) --- or ought to (they didn't show their computation -- and in fact a global factor of $(s-1)!$ seems to be missing in their final result (7), no?) <a href="https://ncatlab.org/nlab/revision/diff/Freund-Rubin+compactification/20">diff</a>, <a href="https://ncatlab.org/nlab/revision/Freund-Rubin+compactification/20">v20</a>, <a href="https://ncatlab.org/nlab/show/Freund-Rubin+compactification">current</a>

   added a section (here) spelling out the computation that underlies the original observation of Freund & Rubin 1980 — or ought to (they didn’t show their computation – and in fact a global factor of $(s-1)!$ seems to be missing in their final result (7), no?)

   diff, v20, current