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16 April 2024 |
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On M-Theory | | Hermann Nicolai
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14 Dec 1997 | | Subject: | hep-th | | Affiliation: | AEI Potsdam | | Abstract: | This contribution gives a personal view on recent attempts to find a unified framework for non-perturbative string theories, with special emphasis on the hidden symmetries of supergravity and their possible role in this endeavor. A reformulation of $d=11$ supergravity with enlarged tangent space symmetry SO(1,2) $ imes$ SO(16) is discussed from this perspective, as well as an ansatz to construct yet further versions with SO(1,1) $ imes$ SO(16)$^infty$ and possibly even SO(1,1)$_+$ $ imes$ ISO(16)$^infty$ tangent space symmetry. It is suggested that upon ``third quantization’’, dimensionally reduced maximal supergravity may have an equally important role to play in this unification as the dimensionally reduced maximally supersymmetric $SU(infty)$ Yang Mills theory. | | Source: | arXiv, hep-th/9801090 | | Services: | Forum | Review | PDF | Favorites | |
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