Unity of Superstring Dualities

Abstract

The effective action for type II string theory compactified on a six torus is $N=8$ supergravity, which is known to have an $E_7$ duality symmetry. We show that this is broken by quantum effects to a discrete subgroup, $E_7(\mathbb{Z})$, which contains both the T-duality group $SO(6,6;\mathbb{Z})$ and the S-duality group $SL(2;\mathbb{Z})$. We present evidence for the conjecture that $E_7(\mathbb{Z})$ is an exact \lq U-duality' symmetry of type II string theory. This conjecture requires certain extreme black hole states to be identified with massive modes of the fundamental string. The gauge bosons from the Ramond-Ramond sector couple not to string excitations but to solitons. We discuss similar issues in the context of toroidal string compactifications to other dimensions, compactifications of the type II string on $K_3\times T^2$ and compactifications of eleven-dimensional supermembrane theory.

45 pages. Some minor corrections made and some references added

References in corpus (9)

• Target Space Duality in String Theory
• Dyon - Monopole Bound States, Self-Dual Harmonic Forms on the Multi-Monopole Moduli Space, and SL(2,Z) Invariance in String Theory
• Higher-dimensional resolution of dilatonic black hole singularities
• Duality Symmetries of 4D Heterotic Strings
• Black and super p-branes in diverse dimensions
• Supersymmetric Self-Gravitating Solitons
• Macroscopic superstrings as interpolating solitons
• New Black Hole, String and Membrane Solutions of the Four-Dimensional Heterotic String
• Multicentered solution for maximally charged dilaton black holes in arbitrary dimensions

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• Abelian and Non-abelian D-brane Effective Actions
• Unification of String Dualities
• M/F-Theory as Mf-Theory
• The second string (phenomenology) revolution
• Probing 4-Dimensional Nonsupersymmetric Black Holes Carrying D0- and D6-brane charges
• An SL(2, Z) Multiplet of Type IIB Super Five-Branes
• USp(2k) Matrix Model: Nonperturbative Approach to Orientifolds
• Dirichlet Joyce Manifolds, Discrete Torsion and Duality
• Classical and Quantum Aspects of BPS Black Holes in N=2, D=4 Heterotic String Compactifications
• E${}_{7(7)}$ Exceptional Field Theory in Superspace
• Exceptional Lie Algebras, SU(3) and Jordan Pairs Part 2: Zorn-type Representations
• Duality Symmetric Quantization of Superstring
• Superfield equations for the interacting system of D=4 N=1 supermembrane and scalar multiplet
• Hodge Duality and Cosmological Constant
• Massive Dualities in Six Dimensions
• S-matrix elements from T-duality
• U-branes and T^3 fibrations
• The D^6 R^4 term in type IIB string theory on T^2 and U-duality
• Protected couplings and BPS dyons in half-maximal supersymmetric string vacua
• Supergravity divergences, supersymmetry and automorphic forms
• Perturbation Theory From Automorphic Forms
• Dimensional Duality
• Lectures on Spectrum Generating Symmetries and U-duality in Supergravity, Extremal Black Holes, Quantum Attractors and Harmonic Superspace
• More on N=8 Attractors
• Dp-branes, NS5-branes and U-duality from nonabelian (2,0) theory with Lie 3-algebra
• Super-exceptional geometry: origin of heterotic M-theory and super-exceptional embedding construction of M5
• Chern-Simons Supersymmetric Branes
• Supergravity and M-Theory
• Introductory Lectures on Extended Supergravities and Gaugings
• Freudenthal Gauge Theory
• More on the Nambu-Poisson M5-brane Theory: Scaling limit, background independence and an all order solution to the Seiberg-Witten map
• U-duality Twists and Possible Phase Transitions in 2+1D Supergravity
• Chern class identities from tadpole matching in type IIB and F-theory
• Towards the Classification of Non-Marginal Bound States of M-branes and Their Construction Rules
• Instantons at Angles
• Combining general relativity and quantum theory: points of conflict and contact
• S-duality of S-matrix
• Non-Lorentzian IIB Supergravity from a Polynomial Realization of SL(2,R)
• Duality Symmetries in Non-Linear Gauge Theories
• Curvatures and potential of M-theory in D=4 with fluxes and twist
• Constraints on Automorphic Forms of Higher Derivative Terms from Compactification
• M-theory on Calabi-Yau Five-Folds
• Superembeddings, Non-Linear Supersymmetry and 5-branes
• The D^6 R^4 term from three loop maximal supergravity
• Electric-magnetic Duality and Deformations of Three-Dimensional CFT's
• Non-abelian U-duality at work
• On the Trans-Planckian Censorship Conjecture and the Generalized Non-Minimal Coupling
• Properties of Black Holes in Toroidally Compactified String Theory
• Non-geometric Calabi-Yau Backgrounds and K3 automorphisms
• S and U-duality Constraints on IIB S-matrices
• Emergent Time and the M5-Brane
• S-duality and Compactification of type IIB Superstring Action
• Non-Perturbative Gravitational Corrections in a Class of N=2 String Duals
• Arguments for F-theory
• String Dualities and Toric Geometry: An Introduction
• Four-dimensional supersymmetric dyonic black holes in eleven-dimensional supergravity
• Type II compactifications on manifolds with SU(2) x SU(2) structure
• Supersymmetry constraints on the R^4 multiplet in type IIB on T^2
• Dipole Moments of Black Holes and String States
• Supersymmetry and the Systematics of T-duality Rotations in Type-II Superstring Theories
• Gauge Symmetry in Background Charge Conformal Field Theory
• New approach to solution generation using SL(2,R)-duality of a dimensionally reduced space in five-dimensional minimal supergravity and new black holes
• Dualities Near the Horizon
• N=8 BPS black holes preserving 1/8 supersymmetry
• On S-duality of D${}_3$-brane S-matrix
• Ramond-Ramond corrections to type II supergravity at order ${\alpha }^{\prime 3}$
• Rusty Scatter Branes
• Stable Solutions of the Double Compactified D=11 Supermembrane Dual
• M-Theory and Maximally Supersymmetric Gauge Theories
• Ground States of S-duality Twisted N=4 Super Yang-Mills Theory
• Black hole entropy reveals a 12th "dimension"
• Dimensional reduction of 4d heterotic string black holes
• Generalized Parallelizable Spaces from Exceptional Field Theory
• Type II Duality Symmetries in Six Dimensions
• String Vacua with N=2 Supersymmetry in Four Dimensions
• An Analytic Method for $S$-Expansion involving Resonance and Reduction
• Cancellation of divergences up to three loops in exceptional field theory
• Wilson Lines and T-Duality in Heterotic M(atrix) Theory
• Mirror Symmetry via Deformation of Bundles on K3 Surfaces
• Colliding Wave Solutions, Duality, and Diagonal Embedding of General Relativity in Two-Dimensional Heterotic String Theory
• Improved Wald formalism and First Law of Dyonic Black Strings with Mixed Chern-Simons Terms
• N=1 Non-Abelian Tensor Multiplet in Four Dimensions
• Sources for Chern-Simons theories
• N=1 Dual String Pairs and Gaugino Condensation
• A candidate for a background independent formulation of M theory
• Superembedding approach to M0-brane and multiple M0-brane system
• Covariant quantization of membrane dynamics
• Intersecting electric and magnetic p-branes: spherically symmetric solutions
• Uplifting Anti-D6-brane
• STRINGY EVIDENCE FOR D=11 STRUCTURE IN STRONGLY COUPLED TYPE II-A SUPERSTRING
• Aspects of Type I - Type II - Heterotic Triality in Four Dimensions
• Four-derivative couplings and BPS dyons in heterotic CHL orbifolds
• Twelve-Dimensional Aspects of Four-Dimensional N=1 Type I Vacua
• Self-duality of the D1-D5 near-horizon
• On higher spin realizations of K(E10)
• On Stable Sector in Supermembrane Matrix Model
• Subsectors, Dynkin Diagrams and New Generalised Geometries
• On the equivalence of N=1 brane worlds and geometric singularities with flux
• The magic three-qubit Veldkamp line: A finite geometric underpinning for form theories of gravity and black hole entropy
• Composite p-branes in various dimensions
• Exceptional Reductions
• Duality Twists on a Group Manifold
• F-theory from Dirichlet 3-branes
• Large $N$ expansion of an integrated correlator in $\mathcal{N}=4$ SYM
• Extremal Branes as Elementary Particles
• A Superstring Field Theory for Supergravity
• Massive T-duality in six dimensions
• Theory of Superdualities and the Orthosymplectic Supergroup
• Expanded Strings in the Background of NS5-branes via a M2-brane, a D2-brane and D0-branes
• Black Hole Condensation and Duality in String Theory
• S-duality of tree-level S-matrix elements in D${}_3$-brane effective action
• Conceptual Analysis of Black Hole Entropy in String Theory
• Extremal Multicenter Black Holes: Nilpotent Orbits and Tits Satake Universality Classes
• Branched SL(2,Z) Duality
• Boundary Conditions and Heterotic Construction in Topological Membrane Theory
• Solutions of Extended Supersymmetric Matrix Models for Arbitrary Gauge Groups
• U-duality multiplets and non-perturbative superstring states
• Extra Dimensions in Superstring Theory
• Strings from Orientifolds
• Evidence for S-Duality in N=4 Supersymmetric Gauge Theory
• 5d/4d U-dualities and N=8 black holes
• Metric and coupling reversal in string theory
• Wrapped Branes and Supersymmetry
• Automorphic Instanton Partition Functions on Calabi-Yau Threefolds
• Real fermionic symmetry in type II supergravity
• Gravitating Brane Systems: Some General Theorems
• U-Duality Symmetries from the Membrane Worldvolume
• Supersymmetry and First Order Equations for Extremal States: Monopoles, Hyperinstantons, Black-Holes and p-Branes
• Conformal Symmetries for Extremal Black Holes with General Asymptotic Scalars in STU Supergravity
• Supermembrane origin of type II gauged supergravities in 9D
• Exact Type IIB Superstring Backgrounds
• Negative Corrections to Black Hole Entropy from String Theory
• A Note on Embedding of M-Theory Corrections into Eleven-Dimensional Superspace
• On Observational Predictions from Multidimensional Gravity
• Constructing black hole solutions in supergravity theories
• Duality Covariant Type IIB Supersymmetry and Nonperturbative Consequences
• Ramond-Ramond S-matrix elements from T-dual Ward identity
• Corrections to D-brane Action and Generalized Boundary State
• 2D Extremal Black Holes as Solitons
• Extra-Dimensions and Dark Matter
• Octonions, G_2 Symmetry, Generalized Self-Duality and Supersymmetries in Dimensions D \le 8
• T-duality and hints of generalized geometry in string ${\alpha }^{\prime }$ corrections
• Superembedding approach to Dp-branes, M-branes and multiple D(0)-brane systems
• M-theory and automorphic scattering
• Supergravity in Twelve Dimension
• BPS States in Superstrings with Spontaneously Broken SUSY
• E(lementary) Strings in Six-Dimensional Heterotic F-Theory
• On Invariant Structures of Black Hole Charges
• Jordan Pairs, E6 and U-Duality in Five Dimensions
• $\beta$-deformation for matrix model of M-theory
• Membranes from monopole operators in ABJM theory: large angular momentum and M-theoretic AdS_4/CFT_3
• String Theory and General Methodology; a Reciprocal Evaluation
• Brane-anti-brane Democracy
• Topics in Cubic Special Geometry
• Iwasawa N=8 Attractors
• Aspects of U-duality in BLG models with Lorentzian metric 3-algebras
• Pure type I supergravity and DE(10)
• Non-Abelian black string solutions of N=(2,0),d=6 supergravity
• $D^6{R}^4$ curvature corrections, modular graph functions and Poincaré series
• Axion Experiments to Algebraic Geometry: Testing Quantum Gravity via the Weak Gravity Conjecture
• Multiple M0-brane system in an arbitrary eleven dimensional supergravity background
• Q-instantons
• Time-like T-duality algebra
• Recent Developments in Superstring Theory
• Supergravity Brane Cosmologies
• Duality of Super D-brane Actions in General Type IIB Supergravity Background
• The Non-Perturbative SO(32) Heterotic String
• Octonionic Selfduality for SuperMembranes
• Symmetries for generating string cosmologies
• On the Moduli Spaces of M(atrix)-Theory Compactifications
• M-branes, anti-M-branes and nonextremal black holes
• p-Brane Solutions in Diverse Dimensions
• Dualities in Five Dimensions and Charged String Solutions
• Duality Symmetries in N=2 Heterotic Superstring
• U-dual branes and mixed symmetry tensor fields
• Black Hole Thermodynamics from the point of view of Superstring Theory
• A brief guide to p-branes
• Composite p-Branes in Diverse Dimensions
• Classifying Supersymmetric Solutions in 3D Maximal Supergravity
• Mirror Symmetry and Landau Ginzburg Calabi-Yau Superpotentials in F-theory Compactifications
• Multiple M-wave interaction with fluxes
• BPS states and supersymmetric index in N=2 type I string vacua
• 1/8-BPS Couplings and Exceptional Automorphic Functions
• Calabi-Yau Duals for CHL Strings
• Tree-level S-matrix elements from S-duality
• Cardy Limits of 6d Superconformal Theories
• Some Algebraic Aspects of Half-BPS Bound States in M-Theory
• Heterotic/type II Duality and Non-Geometric Compactifications
• O-folds: Orientifolds and Orbifolds in Exceptional Field Theory
• Topological Defects in Gauge Theories of Open p-branes
• How to Find H-Monopoles in Brane Dynamics
• $K3$-Fibrations and Softly Broken $N=4$ Supersymmetric Gauge Theories
• Wrapping rules (in) string theory
• Real forms of embeddings of maximal reductive subalgebras of the complex simple Lie algebras of rank up to 8
• Phenomenology of Twisted Moduli in Type I String Inspired Models
• Timelike structures of ten-dimensional supersymmetry
• K-Models and Type IIB Superstring Backgrounds
• 3D String Theory and Umbral Moonshine
• Covariant Open String Field Theory on Multiple $Dp$-Branes
• F & H Monopoles
• Finite and infinite-dimensional symmetries of pure N=2 supergravity in D=4
• Duality Invariant Non-Extreme Black Holes in Toroidally Compactified String Theory
• Interaction of D-string with F-string: A Path-Integral Formalism
• Charging Symmetries and Linearizing Potentials for Gravity Models with Symplectic Symmetry
• D-Branes and Twelve Dimensions
• The birth of the universe in a new G-Theory approach
• Gauging Unbroken Symmetries in F-theory
• Gerbes and Duality
• String Winding Modes From Charge Non-Conservation in Compact Chern-Simons Theory
• Exact holographic RG flows in extended SUGRA
• Self-Dual N=(1,0) Supergravity in Eight Dimensions with Reduced Holonomy Spin(7)
• Self-Dual Supergravity in Seven Dimensions with Reduced Holonomy G_2
• Hidden symmetries in minimal five-dimensional supergravity
• Generalized 11D supergravity equations from tri-vector deformations
• Cosmological Quantum String Vacua and String-String Duality
• The geometry and DSZ quantization of four-dimensional supergravity
• Windows on Quantum Gravity
• U-duality in three and four dimensions
• Strings as perturbations of evolving spin-networks
• S-duality invariant dilaton couplings at order ${\alpha }^{\prime 3}$
• Heterotic-Type II duality and wrapping rules
• Perturbative type II amplitudes for BPS interactions
• A Kaluza-Klein Approach to Double and Exceptional Field Theory
• Moduli fixing and T-duality in Type II brane gas models
• Dualities in all order finite N=1 gauge theories
• Dualities and phase transitions for Calabi-Yau 3folds and 4folds
• S-duality constraint on higher-derivative couplings
• Black holes and general Freudenthal transformations
• Higher derivative corrections to WZ action: One RR, one NSNS and one NS couplings
• A Kind of Magic
• Perturbative world-volume dynamics of the bosonic membrane and string
• Gauged/Massive Supergravities in Diverse Dimensions
• The E10 Wheeler-DeWitt operator at low levels
• Heterotic-Type II duality in the hypermultiplet sector
• SL(2, Z) Multiplets of Type II Superstrings in $D<10$
• Higher derivative type II string effective actions, automorphic forms and E11
• Consistency of Superspace Low Energy Equations of Motion of 4D Type II Superstring with Type II Sigma Model at Tree-Level
• On M-Theory
• Exceptional field theories, superparticles in an enlarged 11D superspace and higher spin theories
• S-duality of color-ordered amplitudes
• Small Black Hole Constituents and Horizontal Symmetry
• On The M(atrix)-Model For M-Theory On $T^6$
• Killing Spinor Equations from Nonlinear Realisations
• Gauged Double Field Theory, Current Algebras and Heterotic Sigma Models
• String Theory and Water Waves
• An action of N=8 self-dual supergravity in ultra-hyperbolic harmonic superspace
• M Theory and P-Branes
• Heterotic M(atrix) theory at generic points in Narain moduli space
• Spacetime Reduction of Large N Flavor Models: A Fundamental Theory of Emergent Local Geometry?
• Spacetime-Filling Branes in Ten and Nine Dimensions
• Superembedding Approach and S-Duality. A unified description of superstring and super-D1-brane
• Non-Linear Realization of ${\aleph }_0$-Extended Supersymmetry
• An Orbifold and an Orientifold of Type IIB Theory on K3 $\times$ K3
• SAM Lectures on Extremal Black Holes in d=4 Extended Supergravity
• Supermembranes and Super Matrix Models
• Orbits in Non-Supersymmetric Magic Theories
• Path-Integral Formulation of Dirichlet String in General Backgrounds
• BPS Saturated Dyonic Black Holes of $N=8$ Supergravity Vacua
• Aspects of spinorial geometry
• Non-Supersymmetric Magic Theories and Ehlers Truncations
• d-Geometries Revisited
• On S-Duality of Toroidally Compactified Type IIB String Effective Action
• Supersymmetry and Wrapped Branes in Microstate Geometries
• Hidden Sector Supergravity Breakdown
• Matter fields in triangle-hinge models
• Conformal frames and D-dimensional gravity
• Topologican Gauging of N=16 Supergravity in Three-Dimensions
• On M-Theory and the Symmetries of Type II String Effective Actions
• Non-geometric Five-branes in Heterotic Supergravity
• String-String triality for d=4, Z_2 orbifolds
• N = 1, D = 6 Supergravity: Duality and non Minimal Couplings
• Real weights, bound states and duality orbits
• Dilatonic Domain Walls and Curved Intersecting Branes
• Extended Jackiw-Pi Model and Its Supersymmetrization
• On the Exotic Phases of M-theory
• Pursuing Gravitational S-Duality
• Degenerations of K3, Orientifolds and Exotic Branes
• Perturbative higher-derivative terms in N=6 asymmetric orbifolds
• Cosmological D-instantons and Cyclic Universes
• Dualisation of the D=7 Heterotic String
• $S$-Duality and the Calabi-Yau Interpretation of the $N=4$ to $N=2$ Flow
• Perturbative F-theory 10-brane and M-theory 5-brane
• A Family of Dual N=2 Supergravity Actions in Ten-Dimensions
• String theory integrands and supergravity divergences
• Nambu-Poisson Bracket and M-Theory Branes Coupled to Antisymmetric Fluxes
• S-duality and the giant magnon dispersion relation
• Black holes in string theory with duality twists
• A Special Class of Rank 10 and 11 Coxeter Groups
• Hidden Borcherds symmetries in Z_n orbifolds of M-theory and magnetized D-branes in type 0' orientifolds
• Symmetric Space Sigma-model Dynamics: Internal Metric Formalism
• Is Supersymmetric Quantum Mechanics compatible with Duality
• BPS States and Automorphisms
• Towards a background independent approach to M theory
• Heterotic/Type II Duality in D=4 and String/String Duality
• Non-perturbative String Theory from Water Waves
• World-volume fields and background coupling of branes
• (p,q)-Five Brane and (p,q)-String Solutions, their Bound State and its Near Horizon Limit
• Elliptic String Solutions on RxS^2 and Their Pohlmeyer Reduction
• BPS mass spectrum from D-brane action
• On the Compactification of Type IIA String Theory
• On section conditions of E7(7) exceptional field theory and superparticle in N=8 central charge superspace
• Monads and D-instantons
• Supersymmetric E_{8(+8)} / SO(16) Sigma-Model Coupled to N=1 Supergravity in Three-Dimensions
• Little Theories in Six and Seven Dimensions
• Enhanced Gauge Symmetry in Three-Moduli Models of Type-II String and Hypergeometric Series
• Self-dual non-Abelian N = 1 tensor multiplet in D = 2+ 2 dimensions
• Four-dimensional Effective M-theory on a Singular G_2 Manifold
• A Note on the Transverse Five-Brane in M(atrix) Theory
• Coset Symmetries in Dimensionally Reduced Heterotic Supergravity
• Four-dimensional SYM probes in wrapped M5-brane backgrounds
• Supersymmetric Action of SL(2;Z)-covariant D3-brane and its Kappa-symmetry
• A new family of $Ad{S}_4$ S-folds in type IIB string theory
• S-Duality, SL(2,Z) Multiplets and Killing Spinors
• N=1 Dual String Pairs and their Modular Superpotentials
• Non-geometric orbifolds and wrapping rules
• World-volumes and string target spaces
• The conformal brane-scan: an update
• Testing M(atrix)-Theory at Two Loops
• Aether, Dark Energy, and String Compactifications
• Three-block p-branes in various dimensions
• Refinement and modularity of immortal dyons
• Electromagnetic dipole radiation of oscillating D-branes
• Integrability structures in string theory
• Intersecting Branes in Matrix Theory
• A Lightning Introduction to String Theory
• Geometry of ${\mathbb{R}}^{+}\times E_{3(3)}$ Exceptional Field Theory and F-theory
• Polyvector deformations of Type IIB backgrounds
• Some simple predictions from E_{11} symmetry
• Massive Stringy States and T-duality Symmetry
• Testing Abelian dyon - fermion Bound System
• One loop superstring effective actions and N=8 supergravity
• String Theory, Unification and Quantum Gravity
• TCFHs, hidden symmetries and type II theories
• Duality and Light Cone Symmetries of the Equations of Motion
• Solitons, Black Holes and Duality in String Theory
• Pointlike structure for super p-branes
• Thermodynamical Behaviour of Composite Stringy Black Holes
• Supersymmetric Yang-Mills Theory in Eleven Dimensions
• Charging Interacting Rotating Black Holes in Heterotic String Theory
• Non Perturbative Check of N=2, D=4 Heterotic/Type II Duality
• From Branes to Branes
• Perturbative dynamics of matrix string for the membrane
• Charged Dual String Vacua from Interacting Rotating Black Holes Via Discrete and Nonlinear Symmetries
• MQCD, ('Barely') G_2 Manifolds and (Orientifold of) a Compact Calabi-Yau
• Status of Superstring and M-Theory
• Little heterotic strings
• One Loop Vacuum Energy in Non-parallel D1-Branes: A Path Integral Formulation
• Heterotic p-branes from Massive Sigma Models
• Parameters, limits and higher derivative type II string corrections
• Multi-Centered Invariants, Plethysm and Grassmannians
• Geometric U-folds in four dimensions
• Consistency between 11D and U-duality
• Orientifold and Type II Dual Pairs
• Heterotic strings on $(K3\times T^2)/{\mathbb{Z}}_3$ and their dual Calabi-Yau threefolds
• String-string duality for some black hole type solutions
• $\lambda$-deformations in the upper-half plane
• TCFHs, hidden symmetries and M-theory backgrounds
• Duality Symmetries and the Type II String Effective Action
• Coherent States in M-Theory: A Brane Scan using the Taub-NUT
• Phenomenology of Strong Interactions -- Towards an Effective Theory for Low Energy QCD
• Black hole attractors and U(1) Fayet-Iliopoulos gaugings: analysis and classification
• Ehlers symmetry at the next derivative order
• D-brane Analyses for BPS Mass Spectra and U-duality
• Hamilton--Jacobi meet Möbius
• Peccei-Quinn Transformations and Black Holes : Orbit Transmutations and Entanglement Generation
• Gauge Five-brane Solutions of Co-dimension Two in Heterotic Supergravity
• Type IIB Matrix Theory at Two Loops
• Central charges of wrapped M5-brane backgrounds
• Self-Dual Vector Multiplet in 3D with Gauged Scale Covariance
• Constraining non--BPS interactions from counterterms in three loop maximal supergravity
• BPS Spectrum and Nahm Duality of Matrix Theory Compactifications
• Quantum Gravity
• An SL(2, Z) Multiplet of Black Holes in $D=4$ Type II Superstring Theory
• S-Duality and Exact Type IIB Superstring Backgrounds
• Brane Solutions in Time Dependent Backgrounds in D = 11 Supergravity and in Type II String Theories
• Duality Anomalies in Linearized Gravity
• An M-theory solution generating technique and SL(2,R)
• An N=1 Triality by Spectrum Matching
• On Dimensional Reduction of Magical Supergravity Theories
• Lorentz-Covariant Non-Abelian Gauging of Supermembrane
• Supersymmetric dyonic black holes of IIA string on Six Torus
• Duality Transformations in the Ten-Dimensional Action and New Superstring Theories
• World-volume Effective Theories of Locally Non-geometric Branes
• Attractor Flows in st^2 Black Holes
• On superembedding approach and its possible application in search for SO(32) heterotic five-brane equations
• Cosmological Solutions of Type II Superstrings
• Jordan Algebraic Interpretation of Maximal Parabolic Subalgebras : Exceptional Lie Algebras
• More Dual String Pairs From Orbifolding
• Integral group actions on symmetric spaces and discrete duality symmetries of supergravity theories
• Multicharge Superstrings
• On Symmetries of Extremal Black Holes with One and Two Centers
• Lost Chapters in CHL Black Holes: Untwisted Quarter-BPS Dyons in the ${\mathbb{Z}}_2$ Model
• Multiple M0-brane equations in eleven dimensional pp-wave superspace and BMN matrix model
• Moduli spaces of non-geometric type II/heterotic dual pairs
• Complexifying the spacetime algebra by means of an extra timelike dimension: Pin, Spin and algebraic spinors
• BPS Black Hole Entropy and Attractors in Very Special Geometry. Cubic Forms, Gradient Maps and their Inversion
• Notes on Matrix and Micro Strings
• Introduction to D-Branes, with Applications
• Non-Linear Realisation of the Pure N=4, D=5 Supergravity
• Massive and Massless Black Holes
• A Canonical Approach to Self-Duality of Dirichlet $3$-Brane
• Black Holes and D-branes
• Saturating unitarity bounds at U-duality symmetric points
• Jordan meets Freudenthal. A Black Hole Exceptional Story
• Duality Invariant Superstring Actions
• Only Flat Spacetime is Full BPS in Four Dimensional N=3 and N=4 Supergravity
• Symmetric space sigma-model dynamics: Current formalism
• Gauge potentials on the M5 brane in twisted equivariant cohomotopy
• The M-algebra completes the hierarchy of Super-Exceptional Tangent Spaces
• Wrapped M-branes and Three-dimensional Topologies
• Actions, equations of motion and boundary conditions for Chern-Simons Branes
• String theory: an update
• D-brane Bound States from Charged Macroscopic Strings
• M-history without the M
• Probing TeV-scale gauge unification by hadronic collisions
• Generalized Geometry and Partial Supersymmetry Breaking
• H-Dyons and S-Duality
• A New Lorentz Violating Nonlocal Field Theory From String-Theory
• Kaluza-Klein and H-Dyons in String Theory
• Non-commutative M-branes from Open Pure Spinor Supermembrane
• Simultaneous T-dualization of type II pure spinor superstring
• New aspects of quantization of Jackiw-Pi model: field-antifield formalism and noncommutativity
• Non-Abelian Electric-Magnetic Duality with Supersymmetry in 4D and 10D
• Non-perturbative corrections in N=2 strings
• Strings from Membranes and Fivebranes
• Hidden Finite Symmetries in String Theory and Duality of Dualities
• SL(2;R) Duality of the Noncommutative DBI Lagrangian
• Dualized Gravity beyond Linear Approximation
• Charging a Double Kerr Solution in 5D Einstein--Maxwell--Kalb--Ramond Theory
• Duality rules for more mixed-symmetry potentials
• (p,q)-string in matrix-regularized membrane and type IIB duality
• Kalb--Ramond dipole solution in low-energy bosonic string theory
• Codimension-2 brane solutions of maximal supergravities in 9, 8, and 7 dimensions
• Generalization of the Randall-Sundrum Model Using Gravitational Model $F(T,\Theta )$
• Generalized BF Theory in Superspace as Underlying Theory of 11D Supergravity
• Why do we live in a 4D world: Can cosmology, black holes and branes give an answer?
• Supergravity solitons and non-perturbative superstrings
• Open Strings and Heterotic Instantons
• String/$(D-5)$-brane Duality and $S$ Duality as Symmetries of Actions
• Flat F-theory and friends
• Mysterious Triality and the Exceptional Symmetry of Loop Spaces
• Exceptional symmetries in light-cone superspace
• Towards a String Realization of the Dark Dimension via T-folds
• Chern-Simons Branes with enhanced gauge invariance
• One-loop vacuum amplitude for D-branes in constant electromagnetic field
• A Massive S-duality in 4 dimensions
• Non-linear Realisation of the N=2, D=6 Supergravity
• A Perfectoid Duality Between M-Theory and F-Theory
• Symmetries of non-maximal supergravities with higher-derivative corrections
• Supermembranes and Superstrings with Extrinsic Curvature
• Some finite terms from ladder diagrams in three and four loop maximal supergravity
• PST-type SL(2;R)-covariant Super D3-brane Action in Flat Spacetime
• On the instability of effective potential for non-abelian toroidal D-brane
• The appearence of the resolved singular hypersurface {x_0}{x_1}-{{x_2}^n} =0 in the classical phase space of the Lie group SU(n)
• Generalised U-dual solutions in supergravity