Publications (68)
Hidden symmetries and the fermionic sector of eleven-dimensional supergravity
Thibault Damour, Axel Kleinschmidt, Hermann Nicolai
Fourier expansions of Kac-Moody Eisenstein series and degenerate Whittaker vectors
Philipp Fleig, Axel Kleinschmidt, Daniel Persson
E10 and SO(9,9) invariant supergravity
Axel Kleinschmidt, Hermann Nicolai
The gauge structure of generalised diffeomorphisms
David S. Berman, Martin Cederwall, Axel Kleinschmidt +1
Supergravity divergences, supersymmetry and automorphic forms
Guillaume Bossard, Axel Kleinschmidt
Hyperbolic Weyl groups and the four normed division algebras
Alex J. Feingold, Axel Kleinschmidt, Hermann Nicolai
Perturbative terms of Kac-Moody-Eisenstein series
Philipp Fleig, Axel Kleinschmidt
Non-geometric branes are DFT monopoles
Ilya Bakhmatov, Axel Kleinschmidt, Edvard T. Musaev
Gradient Representations and Affine Structures in AE(n)
Axel Kleinschmidt, Hermann Nicolai
On the E10/Massive Type IIA Supergravity Correspondence
Marc Henneaux, Ella Jamsin, Axel Kleinschmidt +1
Extended Symmetries in Supergravity: the Semi-simple Case
Axel Kleinschmidt, Diederik Roest
On unitary subsectors of polycritical gravities
Axel Kleinschmidt, Teake Nutma, Amitabh Virmani
IIB supergravity and E10
Axel Kleinschmidt, Hermann Nicolai
A note on gauge fixing in supergravity/Kac-Moody correspondences
Christian Hillmann, Axel Kleinschmidt, Hermann Nicolai
E10 Cosmology
Axel Kleinschmidt, Hermann Nicolai
Higher spin fields from indefinite Kac-Moody algebras
Sophie de Buyl, Axel Kleinschmidt
Beyond E11
Guillaume Bossard, Axel Kleinschmidt, Jakob Palmkvist +2
A dynamical inconsistency of Horava gravity
Marc Henneaux, Axel Kleinschmidt, Gustavo Lucena Gómez
E11 as E10 representation at low levels
Axel Kleinschmidt
$D^6R^4$ curvature corrections, modular graph functions and Poincaré series
Olof Ahlén, Axel Kleinschmidt
Tetrahedral modular graph functions
Axel Kleinschmidt, Valentin Verschinin
Sugawara-type constraints in hyperbolic coset models
Thibault Damour, Axel Kleinschmidt, Hermann Nicolai
On spinorial representations of involutory subalgebras of Kac-Moody algebras
Axel Kleinschmidt, Hermann Nicolai, Adriano Viganò
Finite and infinite-dimensional symmetries of pure N=2 supergravity in D=4
Laurent Houart, Axel Kleinschmidt, Josef Lindman Hörnlund +2
Unifying R-symmetry in M-theory
Axel Kleinschmidt
Generalised diffeomorphisms for E$_9$
Guillaume Bossard, Martin Cederwall, Axel Kleinschmidt +2
Canonical structure of the E10 model and supersymmetry
Axel Kleinschmidt, Hermann Nicolai, Nitin K. Chidambaram
E10 and Gauged Maximal Supergravity
Eric A. Bergshoeff, Olaf Hohm, Axel Kleinschmidt +3
Remarks on Gauge Invariance and First-Class Constraints
Marc Henneaux, Axel Kleinschmidt, Gustavo Lucena Gómez
Some Algebraic Aspects of Half-BPS Bound States in M-Theory
Laurent Houart, Axel Kleinschmidt, Josef Lindman Hörnlund
An E9 multiplet of BPS states
Francois Englert, Laurent Houart, Axel Kleinschmidt +2
An inverse scattering formalism for STU supergravity
Despoina Katsimpouri, Axel Kleinschmidt, Amitabh Virmani
Eisenstein series for infinite-dimensional U-duality groups
Philipp Fleig, Axel Kleinschmidt
Curvature corrections and Kac-Moody compatibility conditions
Thibault Damour, Amihay Hanany, Marc Henneaux +2
Cosmological quantum billiards
Axel Kleinschmidt, Hermann Nicolai
Pure type I supergravity and DE(10)
Christian Hillmann, Axel Kleinschmidt
Higher spin representations of K(E10)
Axel Kleinschmidt, Hermann Nicolai
Fourier coefficients attached to small automorphic representations of ${\mathrm{SL}}_n(\mathbb{A})$
Olof Ahlén, Henrik P. A. Gustafsson, Axel Kleinschmidt +2
Exotic branes in Exceptional Field Theory: the SL(5) duality group
Ilya Bakhmatov, David Berman, Axel Kleinschmidt +2
Standard model fermions and K(E10)
Axel Kleinschmidt, Hermann Nicolai
Symmetries of M-theory and free Lie superalgebras
Joaquim Gomis, Axel Kleinschmidt, Jakob Palmkvist
Dual Gravity and Matter
Eric A. Bergshoeff, Mees de Roo, Sven F. Kerstan +2
K(E9) from K(E10)
Axel Kleinschmidt, Hermann Nicolai, Jakob Palmkvist
On free Lie algebras and particles in electro-magnetic fields
Joaquim Gomis, Axel Kleinschmidt
Ehlers symmetry at the next derivative order
Claudia Colonnello, Axel Kleinschmidt
Heterotic-string amplitudes at one loop: modular graph forms and relations to open strings
Jan E. Gerken, Axel Kleinschmidt, Oliver Schlotterer
Small automorphic representations and degenerate Whittaker vectors
Henrik P. A. Gustafsson, Axel Kleinschmidt, Daniel Persson
An M-theory solution from null roots in E11
Laurent Houart, Axel Kleinschmidt, Josef Lindman Hörnlund
Lattice Vertex Algebras on General Even, Self-dual Lattices
Axel Kleinschmidt
Supersymmetric Domain Walls
Eric A. Bergshoeff, Axel Kleinschmidt, Fabio Riccioni
Massive Type IIA Supergravity and E10
Marc Henneaux, Ella Jamsin, Axel Kleinschmidt +1
Instanton Corrections to the Universal Hypermultiplet and Automorphic Forms on SU(2,1)
Ling Bao, Axel Kleinschmidt, Bengt E. W. Nilsson +2
Very-extended Kac-Moody algebras and their interpretation at low levels
Axel Kleinschmidt, Igor Schnakenburg, Peter West
Oxidizing Borcherds symmetries
Axel Kleinschmidt, Jakob Palmkvist
Modular realizations of hyperbolic Weyl groups
Axel Kleinschmidt, Hermann Nicolai, Jakob Palmkvist
Supersymmetric quantum cosmological billiards
Axel Kleinschmidt, Michael Koehn, Hermann Nicolai
Enhancement of hidden symmetries and Chern-Simons couplings
Marc Henneaux, Axel Kleinschmidt, Victor Lekeu
E$_9$ exceptional field theory I. The potential
Guillaume Bossard, Franz Ciceri, Gianluca Inverso +2
An Inverse Scattering Construction of the JMaRT Fuzzball
Despoina Katsimpouri, Axel Kleinschmidt, Amitabh Virmani
On higher spin realizations of K(E10)
Axel Kleinschmidt, Hermann Nicolai
IIA and IIB spinors from K(E10)
Axel Kleinschmidt, Hermann Nicolai
Counting supersymmetric branes
Axel Kleinschmidt
Constraints and the E10 Coset Model
Thibault Damour, Axel Kleinschmidt, Hermann Nicolai
Inverse Scattering and the Geroch Group
Despoina Katsimpouri, Axel Kleinschmidt, Amitabh Virmani
Rigid Calabi-Yau threefolds, Picard Eisenstein series and instantons
Ling Bao, Axel Kleinschmidt, Bengt E. W. Nilsson +2
Real forms of extended Kac-Moody symmetries and higher spin gauge theories
Marc Henneaux, Axel Kleinschmidt, Hermann Nicolai
K(E10), Supergravity and Fermions
Thibault Damour, Axel Kleinschmidt, Hermann Nicolai
Loops in exceptional field theory
Guillaume Bossard, Axel Kleinschmidt