Henning Samtleben

A special road to AdS vacua (2009)

Cassani, Davide, Ferrara, Sergio, Marrani, Alessio, Morales, Jose F, Samtleben, Henning

We apply the techniques of special Kaehler geometry to investigate AdS_4 vacua of general N=2 gauged supergravities underlying flux compactifications of type II theories. We formulate the scalar...

A special road to AdS vacua (2009)

Cassani, Davide, Ferrara, Sergio, Marrani, Alessio, Morales, Jose F., Samtleben, Henning

We apply the techniques of special Kaehler geometry to investigate AdS_4 vacua of general N=2 gauged supergravities underlying flux compactifications of type II theories. We formulate the scalar...

Twin Supergravities (2009)

Roest, Diederik, Samtleben, Henning

We study the phenomenon that pairs of supergravities can have identical bosonic field content but different fermionic extensions. Such twin theories are classified and shown to originate as...

Intersecting Attractors (2009)

Ferrara, Sergio, Marrani, Alessio, Morales, Jose, Samtleben, Henning

We apply the entropy formalism to the study of the near-horizon geometry of extremal black p-brane intersections in D > 5 dimensional supergravities. The scalar flow towards the horizon is described...

Intersecting Attractors (2009)

Ferrara, Sergio, Marrani, Alessio, Morales, Jose, Samtleben, Henning

We apply the entropy formalism to the study of the near-horizon geometry of extremal black p-brane intersections in D > 5 dimensional supergravities. The scalar flow towards the horizon is described...

Twin Supergravities (2009)

Roest, Diederik, Samtleben, Henning

We study the phenomenon that pairs of supergravities can have identical bosonic field content but different fermionic extensions. Such twin theories are classified and shown to originate as...

Twin Supergravities (2009)

Roest, Diederik, Samtleben, Henning

We study the phenomenon that pairs of supergravities can have identical bosonic field content but different fermionic extensions. Such twin theories are classified and shown to originate as...

Generalization of Okamoto's equation to arbitrary 2x2 Schlesinger systems (2009)

Korotkin, Dmitrii, Samtleben, Henning

The 2x 2 Schlesinger system for the case of four regular singularities is equivalent to the Painleve VI equation. The Painleve VI equation can in turn be rewritten in the symmetric form of Okamoto's...

Generalization of Okamoto's equation to arbitrary 2x2 Schlesinger systems (2009)

Korotkin, Dmitrii, Samtleben, Henning

The 2x 2 Schlesinger system for the case of four regular singularities is equivalent to the Painleve VI equation. The Painleve VI equation can in turn be rewritten in the symmetric form of Okamoto's...

Generalization of Okamoto's Equation to Arbitrary 2×2 Schlesinger System (2009)

Dmitry Korotkin, Henning Samtleben

The 2×2 Schlesinger system for the case of four regular singularities is equivalent to the Painlevé VI equation. The Painlevé VI equation can in turn be rewritten in the symmetric form of...

Generalization of Okamoto's Equation to Arbitrary 2×2 Schlesinger System (2009)

Dmitry Korotkin, Henning Samtleben

The 2×2 Schlesinger system for the case of four regular singularities is equivalent to the Painlevé VI equation. The Painlevé VI equation can in turn be rewritten in the symmetric...

A special road to AdS vacua (2009)

Cassani, Davide, Ferrara, Sergio, Marrani, Alessio, Morales, Jose, Samtleben, Henning

We apply the techniques of special Kaehler geometry to investigate AdS_4 vacua of general N=2 gauged supergravities underlying flux compactifications of type II theories. We formulate the scalar...

A special road to AdS vacua (2009)

Cassani, Davide, Ferrara, Sergio, Marrani, Alessio, Morales, Jose, Samtleben, Henning

We apply the techniques of special Kaehler geometry to investigate AdS_4 vacua of general N=2 gauged supergravities underlying flux compactifications of type II theories. We formulate the scalar...

Supergravities without an Action: Gauging the Trombone (2008)

Diffon, Arnaud Le, Samtleben, Henning

We present a systematic account of supergravity theories in which the global scaling symmetry is gauged. This generalizes the standard gaugings of non-abelian off-shell symmetries. A particular...

Lectures on Gauged Supergravity and Flux Compactifications (2008)

Samtleben, Henning

The low-energy effective theories describing string compactifications in the presence of fluxes are so-called gauged supergravities: deformations of the standard abelian supergravity theories. The...

The end of the p-form hierarchy (2008)

De Wit, Bernard, Samtleben, Henning

The introduction of a non-abelian gauge group embedded into the rigid symmetry group G of a field theory with abelian vector fields and no corresponding charges, requires in general the presence of a...

Gauged Supergravities, Tensor Hierarchies, and M-Theory (2008)

De Wit, Bernard, Nicolai, Hermann, Samtleben, Henning

Deformations of maximal supergravity theories induced by gauging non-abelian subgroups of the duality group reveal the presence of charged M-theory degrees of freedom that are not necessarily...

The superconformal gaugings in three dimensions (2008)

Bergshoeff, Eric A., Hohm, Olaf, Roest, Diederik, Samtleben, Henning, Sezgin, Ergin

We show how three-dimensional superconformal theories for any number N ≤ 8 of supersymmetries can be obtained by taking a conformal limit of the corresponding three-dimensional gauged supergravity...

Gauged Supergravities, Tensor Hierarchies, and M-Theory (2008)

De Wit, Bernard, Nicolai, Hermann, Samtleben, Henning

Deformations of maximal supergravity theories induced by gauging non-abelian subgroups of the duality group reveal the presence of charged M-theory degrees of freedom that are not necessarily...

Gauged supergravities, tensor hierarchies, and M-theory (2008)

De Wit, Bernard, Nicolai, Hermann, Samtleben, Henning

Deformations of maximal supergravity theories induced by gauging non-abelian subgroups of the duality group reveal the presence of charged M-theory degrees of freedom that are not necessarily...

The Gaugings of Maximal D=6 Supergravity (2008)

Bergshoeff, Eric, Samtleben, Henning, Sezgin, Ergin

We construct the most general gaugings of the maximal D=6 supergravity. The theory is (2,2) supersymmetric, and possesses an on-shell SO(5,5) duality symmetry which plays a key role in determining...

Gauged Supergravities from Twisted Doubled Tori and Non-Geometric String Backgrounds (2008)

Dall'Agata, Gianguido, Prezas, Nikolaos, Samtleben, Henning, Trigiante, Mario

We propose a universal geometric formulation of gauged supergravity in terms of a twisted doubled torus. We focus on string theory/M-theory reductions with generalized Scherk--Schwarz twists residing...

Gauged supergravities, tensor hierarchies, and M-theory (2008)

De Wit, Bernard, Nicolai, Hermann, Samtleben, Henning

Deformations of maximal supergravity theories induced by gauging non-abelian subgroups of the duality group reveal the presence of charged M-theory degrees of freedom that are not necessarily...

The Gaugings of Maximal D=6 Supergravity (2008)

Bergshoeff, Eric, Samtleben, Henning, Sezgin, Ergin

We construct the most general gaugings of the maximal D=6 supergravity. The theory is (2,2) supersymmetric, and possesses an on-shell SO(5,5) duality symmetry which plays a key role in determining...

Gauged Supergravities from Twisted Doubled Tori and Non-Geometric String Backgrounds (2008)

Dall'Agata, Gianguido, Prezas, Nikolaos, Samtleben, Henning, Trigiante, Mario

We propose a universal geometric formulation of gauged supergravity in terms of a twisted doubled torus. We focus on string theory/M-theory reductions with generalized Scherk--Schwarz twists residing...

The end of the p-form hierarchy (2008)

De Wit, Bernard, Samtleben, Henning

The introduction of a non-abelian gauge group embedded into the rigid symmetry group G of a field theory with abelian vector fields and no corresponding charges, requires in general the presence of a...

The end of the p-form hierarchy (2008)

De Wit, Bernard, Samtleben, Henning

The introduction of a non-abelian gauge group embedded into the rigid symmetry group G of a field theory with abelian vector fields and no corresponding charges, requires in general the presence of a...

Lectures on Gauged Supergravity and Flux Compactifications (2008)

Samtleben, Henning

The low-energy effective theories describing string compactifications in the presence of fluxes are so-called gauged supergravities: deformations of the standard abelian supergravity theories. The...

Lectures on Gauged Supergravity and Flux Compactifications (2008)

Samtleben, Henning

The low-energy effective theories describing string compactifications in the presence of fluxes are so-called gauged supergravities: deformations of the standard abelian supergravity theories. The...

Supergravities without an Action: Gauging the Trombone (2008)

Le Diffon, Arnaud, Samtleben, Henning

We present a systematic account of supergravity theories in which the global scaling symmetry is gauged. This generalizes the standard gaugings of non-abelian off-shell symmetries. A particular...

Supergravities without an Action: Gauging the Trombone (2008)

Le Diffon, Arnaud, Samtleben, Henning

We present a systematic account of supergravity theories in which the global scaling symmetry is gauged. This generalizes the standard gaugings of non-abelian off-shell symmetries. A particular...

Gauged Supergravities from Twisted Doubled Tori and Non-Geometric String Backgrounds (2007)

Dall'Agata, Gianguido, Prezas, Nikolaos, Samtleben, Henning, Trigiante, Mario

We propose a universal geometric formulation of gauged supergravity in terms of a twisted doubled torus. We focus on string theory/M-theory reductions with generalized Scherk-Schwarz twists residing...

Gauged Supergravities from Twisted Doubled Tori and Non-Geometric String Backgrounds (2007)

Dall'Agata, Gianguido, Prezas, Nikolaos, Samtleben, Henning, Trigiante, Mario

We propose a universal geometric formulation of gauged supergravity in terms of a twisted doubled torus. We focus on string theory (M-theory) reductions with generalized Scherk-Schwarz twists...

Gauging hidden symmetries in two dimensions (2007)

Samtleben, Henning, Weidner, Martin

We initiate the systematic construction of gauged matter-coupled supergravity theories in two dimensions. Subgroups of the affine global symmetry group of toroidally compactified supergravity can be...

The maximal D=4 supergravities (2007)

De Wit, Bernard, Samtleben, Henning, Trigiante, Mario

All maximal supergravities in four space-time dimensions are presented. The ungauged Lagrangians can be encoded in an E_7(7)\Sp(56,R)/GL(28) matrix associated with the freedom of performing...

Holography of D-Brane Reconnection (2007)

Samtleben, Henning, Berg, Marcus, Hohm, Olaf

Gukov, Martinec, Moore and Strominger found that the D1-D5-D5' system with the D5-D5' angle at 45 degrees admits a deformation "rho" preserving supersymmetry. Under this deformation, the D5-branes...

Holography of D-Brane Reconnection (2007)

Berg, Marcus, Hohm, Olaf, Samtleben, Henning

Gukov, Martinec, Moore and Strominger found that the D1-D5-D5' system with the D5-D5' angle at 45 degrees admits a deformation "rho" preserving supersymmetry. Under this deformation, the D5-branes...

The maximal D=4 supergravities (2007)

De Wit, Bernard, Samtleben, Henning, Trigiante, Mario

All maximal supergravities in four space-time dimensions are presented. The ungauged Lagrangians can be encoded in an E_7(7)\Sp(56,R)/GL(28) matrix associated with the freedom of performing...

Gauging hidden symmetries in two dimensions (2007)

Samtleben, Henning, Weidner, Martin

We initiate the systematic construction of gauged matter-coupled supergravity theories in two dimensions. Subgroups of the affine global symmetry groups of toroidally compactified supergravity can be...

Gauging hidden symmetries in two dimensions (2007)

Samtleben, Henning, Weidner, Martin

We initiate the systematic construction of gauged matter-coupled supergravity theories in two dimensions. Subgroups of the affine global symmetry groups of toroidally compactified supergravity can be...

The maximal D=4 supergravities (2007)

De Wit, Bernard, Samtleben, Henning, Trigiante, Mario

All maximal supergravities in four space-time dimensions are presented. The ungauged Lagrangians can be encoded in an E_7(7)\Sp(56,R)/GL(28) matrix associated with the freedom of performing...

Holography of D-Brane Reconnection (2007)

Samtleben, Henning, Berg, Marcus, Hohm, Olaf

Gukov, Martinec, Moore and Strominger found that the D1-D5-D5' system with the D5-D5' angle at 45 degrees admits a deformation "rho" preserving supersymmetry. Under this deformation, the D5-branes...

Holography of D-Brane Reconnection (2006)

Berg, Marcus, Hohm, Olaf, Samtleben, Henning

Gukov, Martinec, Moore and Strominger found that the D1-D5-D5' system with the D5-D5' angle at 45 degrees admits a deformation "rho" preserving supersymmetry. Under this deformation, the D5-branes...

Entropy function and attractors for AdS black holes (2006)

Morales, Jose F., Samtleben, Henning

We apply Sen's entropy formalism to the study of the near horizon geometry and the entropy of asymptotically AdS black holes in gauged supergravities. In particular, we consider non-supersymmetric...

Integrable Classical and Quantum Gravity (2006)

Nicolai, Hermann, Korotkin, D. A., Samtleben, Henning

In these lectures we report recent work on the exact quantization of dimensionally reduced gravity, i.e. 2d non-linear (G/H)-coset space sigma-models coupled to gravity and a dilaton. Using methods...

Magnetic charges in local field theory (2005)

De Wit, Bernard, Samtleben, Henning, Trigiante, Mario

Novel Lagrangians are discussed in which (non-abelian) electric and magnetic gauge fields appear on a par. To ensure that these Lagrangians describe the correct number of degrees of freedom, tensor...

The maximal D=7 supergravities (2005)

Samtleben, Henning, Weidner, Martin

The general seven-dimensional maximal supergravity is presented. Its universal Lagrangian is described in terms of an embedding tensor which can be characterized group-theoretically. The theory...

Effective Actions for Massive Kaluza-Klein States on AdS_3 x S^3 x S^3 (2005)

Hohm, Olaf, Samtleben, Henning

We construct the effective supergravity actions for the lowest massive Kaluza-Klein states on the supersymmetric background AdS_3 x S^3 x S^3. In particular, we describe the coupling of the...

Gauged maximal supergravities and hierarchies of nonabelian vector-tensor systems (2005)

De Wit, Bernard, Samtleben, Henning

We describe generalizations of the manifestly E_{6(6)} covariant formulation of five-dimensional gauged maximal supergravity with regard to the structure of the vector and tensor fields. We indicate...

On KE(9) (2005)

Nicolai,Hermann, Samtleben,Henning

We study the maximal compact subgroup K(E_9) of the affine Lie group E_9(9) and its on-shell realization as an R symmetry of maximal N=16 supergravity in two dimensions. We first give a rigorous...

On KE(9) (2005)

Nicolai, Hermann, Samtleben, Henning

We study the maximal compact subgroup K(E_9) of the affine Lie group E_9(9) and its on-shell realization as an R symmetry of maximal N=16 supergravity in two dimensions. We first give a rigorous...

The maximal D=5 supergravities (2004)

De Wit, Bernard, Samtleben, Henning, Trigiante, Mario

The general Lagrangian for maximal supergravity in five spacetime dimensions is presented with vector potentials in the \bar{27} and tensor fields in the 27 representation of E_6. This novel...

Higher Spin Symmetry and N=4 SYM (2004)

Beisert, Niklas, Bianchi, Massimo, Morales, Jose F., Samtleben, Henning

We assemble the spectrum of single-trace operators in free N=4 SU(N) SYM theory into irreducible representations of the Higher Spin symmetry algebra hs(2,2|4). Higher Spin representations or...

Non-semisimple and complex gaugings of N=16 supergravity (2004)

Fischbacher,Thomas, Nicolai,Hermann, Samtleben,Henning

Maximal and non-maximal supergravities in three dimensions allow for a large variety of semisimple (Chern-Simons) gauge groups. In this paper, we analyze non-semisimple and complex gauge groups that...

On the spectrum of AdS/CFT beyond supergravity (2004)

Beisert,Niklas, Bianchi,M., Morales,J. F., Samtleben,Henning

We test the spectrum of string theory on AdS_5 x S^5 derived in hep-th/0305052 against that of single-trace gauge invariant operators in free N=4 super Yang-Mills theory. Masses of string sitations...

Massive Representations of N=4 Higher Spin Symmetry (2004)

Beisert,Niklas, Bianchi,Massimo, Morales,Jose F., Samtleben,Henning

We assemble the spectrum of single-trace operators in free N=4 SU(N) SYM theory into irreducible representations of the Higher Spin symmetry algebra hs(2,2|4). Higher Spin representations or...

Non-semisimple and complex gaugings of N=16 supergravity (2004)

Fischbacher, Thomas, Nicolai, Hermann, Samtleben, Henning

Maximal and non-maximal supergravities in three dimensions allow for a large variety of semisimple (Chern-Simons) gauge groups. In this paper, we analyze non-semisimple and complex gauge groups that...

On the spectrum of AdS/CFT beyond supergravity (2004)

Beisert, Niklas, Bianchi, Massimo, Morales, Jose F., Samtleben, Henning

We test the spectrum of string theory on AdS_5 x S^5 derived in hep-th/0305052 against that of single-trace gauge invariant operators in free N=4 super Yang-Mills theory. Masses of string sitations...

Massive Representations of N=4 Higher Spin Symmetry (2004)

Beisert, Niklas, Bianchi, Massimo, Morales, Jose F., Samtleben, Henning

We assemble the spectrum of single-trace operators in free N=4 SU(N) SYM theory into irreducible representations of the Higher Spin symmetry algebra hs(2,2|4). Higher Spin representations or...

Maximal Supergravity from IIB Flux Compactifications (2003)

De Wit, Bernard, Samtleben, Henning, Trigiante, Mario

Using a recently proposed group-theoretical approach, we explore novel gaugings of maximal supergravity in four dimensions with gauge group embeddings that can be generated by fluxes of IIB string...

Gauging Maximal Supergravities (2003)

De Wit, Bernard, Samtleben, Henning, Trigiante, Mario

We review recent progress in gauging maximal supergravity theories

Gauged locally supersymmetric D=3 nonlinear sigma models (2003)

De Wit, Bernard, Herger, Ivan, Samtleben, Henning

We construct supersymmetric deformations of general, locally supersymmetric, nonlinear sigma models in three spacetime dimensions, by extending the pure supergravity theory with a Chern-Simons term...

Kaluza-Klein supergravity on AdS_3 x S^3 (2003)

Nicolai, Hermann, Samtleben, Henning

We construct a Chern-Simons type gauged N=8 supergravity in three spacetime dimensions with gauge group SO(4) x T_\infty over the infinite dimensional coset space SO(8,\infty)/(SO(8) x SO(\infty)),...

On stringy AdS_5 x S^5 and higher spin holography (2003)

Bianchi, Massimo, Morales, Jose F., Samtleben, Henning

We derive the spectrum of Kaluza-Klein descendants of string excitations on AdS_5 x S^5. String states are organized in long multiplets of the AdS supergroup SU(2,2|4,R) with a rich pattern of...

Chern-Simons vs. Yang-Mills gaugings in three dimensions (2003)

Nicolai, Hermann, Samtleben, Henning

Recently, gauged supergravities in three dimensions with Yang-Mills and Chern-Simons type interactions have been constructed. In this article, we demonstrate that any gauging of Yang-Mills type with...

Kaluza-Klein supergravity on AdS3 x S3 (2003)

Nicolai,Hermann, Samtleben,Henning

We construct a Chern-Simons type gauged N=8 supergravity in three spacetime dimensions with gauge group SO(4) x T_\infty over the infinite dimensional coset space SO(8,\infty)/(SO(8) x SO(\infty)),...

Kaluza-Klein supergravity on AdS3 x S3 (2003)

Nicolai, Hermann, Samtleben, Henning

We construct a Chern-Simons type gauged N=8 supergravity in three spacetime dimensions with gauge group SO(4) x T_\infty over the infinite dimensional coset space SO(8,\infty)/(SO(8) x SO(\infty)),...

On Lagrangians and Gaugings of Maximal Supergravities (2002)

De Wit, Bernard, Samtleben, Henning, Trigiante, Mario

A consistent gauging of maximal supergravity requires that the T-tensor transforms according to a specific representation of the duality group. The analysis of viable gaugings is thus amenable to...

Calabi-Yau Fourfolds with Flux and Supersymmetry Breaking (2002)

Berg, Marcus, Haack, Michael, Samtleben, Henning

In Calabi-Yau fourfold compactifications of M-theory with flux, we investigate the possibility of partial supersymmetry breaking in the three-dimensional effective theory. To this end, we place the...

AdS Duals of Matrix Strings (2002)

Morales, Jose F., Samtleben, Henning

We review recent work on the holographic duals of type II and heterotic matrix string theories described by warped AdS_3 supergravities. In particular, we compute the spectra of Kaluza-Klein...

Holographic Correlators in a Flow to a Fixed Point (2002)

Berg, Marcus, Samtleben, Henning

Using holographic renormalization, we study correlation functions throughout a renormalization group flow between two-dimensional superconformal field theories. The ultraviolet theory is an N=(4,4)...

Supergravity Duals of Matrix String Theory (2002)

Morales, Jose F., Samtleben, Henning

We study the holographic duals of type II and heterotic matrix string theories described by warped AdS_3 supergravities. By explicitly solving the linearized equations of motion around near horizon...

Vacua of Maximal Gauged D=3 Supergravities (2002)

Fischbacher,Thomas, Nicolai,Hermann, Samtleben,Henning

We analyse the scalar potentials of maximal gauged three-dimensional supergravities which reveal a surprisingly rich structure. In contrast to maximal supergravities in dimensions D 4, all these...

Vacua of Maximal Gauged D=3 Supergravities (2002)

Fischbacher, Thomas, Nicolai, Hermann, Samtleben, Henning

We analyse the scalar potentials of maximal gauged three-dimensional supergravities which reveal a surprisingly rich structure. In contrast to maximal supergravities in dimensions D 4, all these...

An Exact Holographic RG Flow Between 2d Conformal Fixed Points (2001)

Berg, Marcus, Samtleben, Henning

We describe a supersymmetric RG flow between conformal fixed points of a two-dimensional quantum field theory as an analytic domain wall solution of the three-dimensional SO(4) x SO(4) gauged...

Maximal gauged supergravity in three dimensions (2001)

Nicolai,Hermann, Samtleben,Henning

We construct maximally supersymmetric gauged N = 16 supergravity in three dimensions, thereby obtaining an entirely new class of anti-de Sitter supergravities. These models apparently cannot be...

Compact and Noncompact Gauged Maximal Supergravities in Three Dimensions (2001)

Nicolai,Hermann, Samtleben,Henning

We present the maximally supersymmetric three-dimensional gauged supergravities. Owing to the special properties of three dimensions -- especially the on-shell duality between vector and scalar...

N=8 matter coupled AdS_3 supergravities (2001)

Nicolai,Hermann, Samtleben,Henning

Following the recent construction of maximal (N=16) gauged supergravity in three dimensions, we derive gauged D=3, N=8 supergravities in three dimensions as deformations of the corresponding ungauged...

Compact and Noncompact Gauged Maximal Supergravities in Three Dimensions (2001)

Nicolai, Hermann, Samtleben, Henning

We present the maximally supersymmetric three-dimensional gauged supergravities. Owing to the special properties of three dimensions -- especially the on-shell duality between vector and scalar...

N=8 matter coupled AdS_3 supergravities (2001)

Nicolai, Hermann, Samtleben, Henning

Following the recent construction of maximal (N=16) gauged supergravity in three dimensions, we derive gauged D=3, N=8 supergravities in three dimensions as deformations of the corresponding ungauged...

Maximal gauged supergravity in three dimensions (2001)

Nicolai, Hermann, Samtleben, Henning

We construct maximally supersymmetric gauged N = 16 supergravity in three dimensions, thereby obtaining an entirely new class of anti-de Sitter supergravities. These models apparently cannot be...

An exceptional geometry for d=11 supergravity? (2000)

Koepsell,Kilian, Nicolai,Hermann, Samtleben,Henning

We analyse the algebraic constraints of the generalized vielbein in SO(1,2)×SO(16) invariant d = 11 supergravity, and show that the bosonic degrees of freedom of d = 11 supergravity, which become...

An exceptional geometry for d=11 supergravity? (2000)

Koepsell, Kilian, Nicolai, Hermann, Samtleben, Henning

We analyse the algebraic constraints of the generalized vielbein in SO(1,2)×SO(16) invariant d = 11 supergravity, and show that the bosonic degrees of freedom of d = 11 supergravity, which become...

Integrable structures in classical off-shell 10D supersymmetric Yang-Mills theory (1999)

Gervais, Jean-Loup, Samtleben, Henning

The superspace flatness conditions which are equivalent to the field equations of supersymmetric Yang-Mills theory in ten dimensions have not been useful so far to derive non trivial classical...

On the Yangian [Y(e8)] quantum symmetry of maximal supergravity in two dimensions (1999)

Koepsell, Kilian, Nicolai, Hermann, Samtleben, Henning

We present the algebraic framework for the quantization of the classical bosonic charge algebra of maximally extended (N = 16) supergravity in two dimensions, thereby taking the first steps towards...

Integrability and canonical structure of D=2, N="16" supergravity. (1998)

Nicolai, Hermann, Samtleben, Henning

The canonical formulation of d = 2, N = 16 supergravity is presented. We work out the supersymmetry generators (including all higher order spinor terms) and the N = 16 superconformal constraint...

Integrable Classical and Quantum Gravity (1996)

Nicolai, Hermann, Korotkin, D. A., Samtleben, Henning

In these lectures we report recent work on the exact quantization of dimensionally reduced gravity, i.e. 2d non-linear (G/H)-coset space sigma-models coupled to gravity and a dilaton. Using methods...

Gauged supergravities in three dimensions: a panoramic overview

Nicolai,Hermann, De Wit,B., Samtleben,Henning

Maximal and non-maximal supergravities in three spacetime dimensions allow for a large variety of semisimple and non-semisimple gauge groups, as well as complex gauge groups that have no analog in...

Gauged supergravities in three dimensions: a panoramic overview

Nicolai, Hermann, De Wit, Bernard, Samtleben, Henning

Maximal and non-maximal supergravities in three spacetime dimensions allow for a large variety of semisimple and non-semisimple gauge groups, as well as complex gauge groups that have no analog in...