Cohomotopy and flux quantization in M-theory
Grady, Daniel
Grady, Daniel
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2025-12-01
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Article
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Cohomotopy,Hypothesis H,Obstruction theory
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Grady, D. (2025). Cohomotopy and flux quantization in M-theory. Journal of Geometry and Physics, 218. https://doi.org/10.1016/j.geomphys.2025.105667
Abstract
We identify some of the k-invariants for the Postnikov tower of the stable and unstable 4-sphere. Assuming the stable Hypothesis H of Fiorenza-Sati-Schreiber, we use the resulting obstruction theory to prove that the Chern-Simons term in the effective action of M-theory is well defined. In particular, we do not assume the presence of an
$E_8$-gauge field.
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Elsevier
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Journal of Geometry and Physics
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3930440