363 citations · 1.1k across the 20 of their papers we have counts for
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Hidden symmetries and the fermionic sector of eleven-dimensional supergravity
Thibault Damour, Axel Kleinschmidt, Hermann Nicolai
We study the hidden symmetries of the fermionic sector of D=11 supergravity, and the role of K(E10) as a generalised `R-symmetry'. We find a consistent model of a massless spinning…
E10 Cosmology
Axel Kleinschmidt, Hermann Nicolai
We construct simple exact solutions to the E10/K(E10) coset model by exploiting its integrability. Using the known correspondences with the bosonic sectors of maximal supergravity…
Gravitational Billiards, Dualities and Hidden Symmetries
H. Nicolai
The purpose of this article is to highlight the fascinating, but only very incompletely understood relation between Einstein's theory and its generalizations on the one hand, and t…
Gradient Representations and Affine Structures in AE(n)
Axel Kleinschmidt, Hermann Nicolai
We study the indefinite Kac-Moody algebras AE(n), arising in the reduction of Einstein's theory from (n+1) space-time dimensions to one (time) dimension, and their distinguished ma…
Higher order M theory corrections and the Kac-Moody algebra E10
T. Damour, H. Nicolai
It has been conjectured that the classical dynamics of M theory is equivalent to a null geodesic motion in the infinite-dimensional coset space E10/K(E10) where K(E10) is the maxim…
Loop quantum gravity: an outside view
Hermann Nicolai, Kasper Peeters, Marija Zamaklar
We review aspects of loop quantum gravity in a pedagogical manner, with the aim of enabling a precise but critical assessment of its achievements so far. We emphasise that the off-…