We show that [Formula: see text] supergravity may possess an even larger symmetry than previously believed. Such an enhanced symmetry is needed to explain why this theory of gravity exhibits… Click to show full abstract
We show that [Formula: see text] supergravity may possess an even larger symmetry than previously believed. Such an enhanced symmetry is needed to explain why this theory of gravity exhibits ultraviolet behavior reminiscent of the finite [Formula: see text] Yang–Mills theory. We describe a series of three steps that leads us to this result.
               
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