TL;DR
This paper reviews the progress and evidence supporting that all electric maximal supergravities in 4D can be uplifted to M-theory, focusing on non-compact cases and Exceptional Generalised Geometry.
Contribution
It provides a comprehensive review of the current understanding and recent evidence for uplifting 4D electric maximal supergravities to M-theory, emphasizing non-compact cases.
Findings
Evidence supporting uplift of all electric maximal supergravities to M-theory
Insights into non-compact supergravities and their relation to Exceptional Generalised Geometry
Advances in understanding higher-dimensional origins of supergravities
Abstract
Which theories have a higher dimensional origin in String/M-theory is a non trivial question and it is still far from being understood in the constrained scenario of maximal supergravities. After 35 years of progress in this direction we have found supporting evidence in favor of the idea that every electric maximal supergravity in 4 dimensions can be uplifted to M-theory. We will review the current understanding of this problem with special emphasis in the uplifting of non compact supergravities and their relation with Exceptional Generalised Geometry.
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