
Talks starting with Q
 Q&A with Peter Singer
 qdeforming AdS_5 x S^5 superstrings
 Qlearning and Pontryagin's Minimum Principle
 Qantas Flight 32  The Airbus A380 Engine Failure
 QBF proof complexity
 QCD : an analytical approach.
 QCD at finite chemical potential: stochastic quantization and complex Langevin dynamics
 QCD at Tevatron
 QCD Hard Processes in the Forward Region at the LHC
 QCD phenomenology in (Quasi) MultiRegge kinematics
 QCD Scattering Amplitudes
 QDG WEDNESDAY SPECIAL  Topdown and bottomup evidence for the early anthropogenic hypothesis
 QED in a Pencil Trace
 QED is not imperiled by the proton's running radii
 QG and RH an analogy
 QHDL Tutorial
 QM to QSAR
 QMC and the 1D electron gas
 QMC applied to twocomponent molecular systems
 QMC calculations on biexcitons in bilayer systems
 QMC in Slater determinant space
 QMC studies of first row atoms and ions
 QRT maps and elliptic surfaces
 QRT maps and elliptic surfaces
 QRT maps and elliptic surfaces (part 2 of series)
 QRT maps and elliptic surfaces (part 3 of series)
 Quad equations and autoBcklund transformations of NLStype systems
 Quadratic differentials as stability conditions
 Quadratic Span Programs for Succinct NIZKs without PCPs
 Quadratic twists of elliptic curves
 Quadratic Welschinger invariants
 Quadruple stranded DNA: cancer, gene regulation and evolution
 Quadruplexes, helicases and DNA replication dynamics in the genome of Plasmodium falciparum: "It's life, Jim, but not as we do it"
 Quadruplexes. What else ?
 Qualifications, skills and employability: a peculiarly British obsession?
 Qualitative analysis of hepatic copper accumulation in chronic hepatitis in Labrador retrievers in the United Kingdom
 Qualitative Analysis of Patterns Induced by Active Transport and Auxin
 Qualitative Methods for Technical Topics I: a survey of local practice
 Qualitative Methods for Technical Topics II: issues workshop
 Qualitative methods in urban planning and design
 Qualitative Physics: An alternative approach to assess coupled humanenvironment systems
 Qualitative research on experiences of health and illness disseminated via www.healthtalkonline.org
 Quality improvement: balancing a systems approach and the human factor
 Quality in Digital Audio
 Quality in times of change: pharmacy and renewal in Senegal
 Quality of data and handling missing data in costing studies.
 Quality of life and other outcomes: what should we be measuring in our canine patients?
 Quantarctica: Polar humanities and social science database
 Quantarctica: Polar humanities and social science database
 Quantative proteomics reveal novel proteins involved in mitochondrial DNA maintenance and segregation in Trypanosoma brucei
 Quantification and modeling of spindle positioning and size regulation in the C. elegans embryo
 Quantification of arterial pulse wave morphology:new data from an old signal
 Quantification of near field blast loading
 Quantifying and modelling cell volume regulation in the Arabidopsis shoot apical meristem
 Quantifying and reducing uncertainties on sets under Gaussian Process priors
 Quantifying and reducing uncertainties on sets under Gaussian Process priors
 Quantifying Cancer Heterogeneity
 Quantifying changes in past atmospheric chemistry from ice core records of the oxygen isotopes of sulfate and nitrate
 Quantifying contagion in funding markets: An application to stresstesting
 Quantifying Dark Energy using Cosmic Lensing
 Quantifying Dark Energy using Cosmic Lensing
 Quantifying Dark Energy using Cosmic Lensing
 Quantifying Dark Energy using Cosmic Lensing
 Quantifying deformation under indentations by TEM diffraction
 Quantifying dialect similarity by comparison of the lexical distribution of phonemes
 Quantifying diet and lifestyle: webbased methodological guidance and assessment tools for the population health researcher
 Quantifying diversity and abundance in soil microbial communities from highthroughput sequence data
 Quantifying Drug Transport Across Lipid Membranes
 Quantifying Fault Damage Zone Permeability in Crystalline Rocks
 Quantifying global patterns of dynamic topography using oceanic residual depths
 Quantifying Hidden Order Out of Equilibrium
 Quantifying Information Content in Pattern Evidence
 Quantifying leaf morphology: perspectives on development, environmental regulation, and natural variation in leaf shape and size
 Quantifying Privacy Loss of Human Mobility Graph Topology
 Quantifying spatiotemporal boundary condition uncertainty for the deglaciation
 Quantifying spatiotemporal boundary condition uncertainty for the deglaciation
 Quantifying the details of earliest rift development and how the rift basin fills: Integrating existing marine and terrestrial data and upcoming ocean drilling at the Corinth Rift, Greece
 Quantifying the effect of interactions in manybody systems
 Quantifying the Entropy of Binding for Water Molecules In Protein Cavities by Computing Correlations
 Quantifying the value of information for TrackSafe
 Quantifying transport time and degradation of terrigenous organic carbon across the East Siberian Arctic shelf
 Quantifying uncertainty and improving reducedorder predictions of partially observed turbulent dynamical systems
 Quantifying Uncertainty in Model Predictions
 Quantifying Uncertainty in Turbulent Flow Predictions based on RANS/LES Closures
 Quantisation of KadomtsevPetviashvili equation
 Quantised charge pumping in a perpendicular magnetic field
 Quantitative Analysis of Transcriptomes and Proteomes in Proliferating and Quiescent Cells
 Quantitative approaches to unravel the molecular mechanisms of clathrinmediated endocytosis
 Quantitative assessment of capacity market design options under rising renewable feedin
 Quantitative Cell Imaging with Digital Holographic Microscopy
 Quantitative chaos propagation estimates for jump processes
 Quantitative Characterisation of Catalyst Nanoparticles using STEM
 Quantitative Comparative Statics
 Quantitative comparison of gene expression at cellular resolution in Drosophilids
 Quantitative elemental mapping in biological systems
 Quantitative estimates in stochastic homogenization
 Quantitative Evolutionary Dynamics
 Quantitative fluorescence imaging with up to 30 nm resolution to provide 3D data for models of cardiac Ca2+ handling
 Quantitative fluorescence microscopy
 Quantitative geometry and efficient classification procedures
 Quantitative high spatiotemporal resolution imaging of biological processes
 Quantitative Interpretation of Multiparametric Cardiovascular MRI Datasets
 Quantitative Interpretation of Multiparametric Cardiovascular MRI Datasets
 Quantitative Investigation of Transcription Dynamics in Development and Growth
 Quantitative LEED analysis of CO on Pt{110}
 Quantitative magnetic resonance imaging studies of dissolution phenomena in pharmaceutical delivery devices
 Quantitative modelling of market booms and crashes
 Quantitative PhotoAcoustics Using the Transport Equation
 Quantitative Prediction of Solute Strengthening in Metal Alloys
 Quantitative Prediction of Solute Strengthening in Metal Alloys
 Quantitative proteomics of organelles of the early secretory pathway
 Quantitative quasirandomness
 Quantitative risk management: challenges and perspectives (Panel Discussion)
 Quantitative SuperResolution Imaging of Biological Samples and DNA Nanostructures
 Quantitative Trading with Bayesian Methods
 Quantitative Trait Loci associated with body weight and adiposity in mice.
 Quantity and quality of visual object representations during memory and perception
 Quantization of integrable systems of periodic monopoles
 Quantized charge pumping with tunablebarrier quantum dots as electron "disequilibration" problem
 Quantized current and voltage sources based on nonadiabatic charge pumping
 Quantized enveloping algebras via finite dimensional algebras
 Quantum
 Quantum and classical localisation transitions
 Quantum and classical partition functions of water from computer simulation
 Quantum and classical turbulence: Alike or different?
 Quantum annealing on Ising spin glasses
 Quantum Annular Link Homology via Trace Functor
 Quantum anomalies and the origin of time
 Quantum Bayesianism: the ineffable reality behind 'participatory realism'
 Quantum Beauty
 Quantum Bits and their relation to Nanotechnology
 Quantum black holes from gauge/string duality
 Quantum Black Holes, Localization, and Mock Modular Forms.
 Quantum cascade laser heterodyne radiometry for atmospheric sounding: application to atmospheric ozone monitoring
 Quantum cascade laser heterodyne radiometry for atmospheric sounding: application to atmospheric ozone monitoring
 Quantum Channel Simulation and the Channel's Smooth MaxInformation
 Quantum channels with polytopic image and image additivity
 Quantum chaos on discrete graphs
 Quantum Chaos: Kicking Atoms About
 Quantum chaotic resonance eigenfunctions
 Quantum character varieties and the double affine Hecke algebra
 Quantum Chemical Games of Life
 Quantum chemical games of life
 Quantum chemistry and cold atoms: insights into magnetism
 Quantum cluster positivity and cohomological DonaldsonThomas theory
 Quantum cohomology of the Springer resolution and affine KZ connections
 Quantum cohomology of twistor spaces
 Quantum Complexity and Computation
 Quantum Computation for Dummies
 Quantum Computation: Harnessing the Atom at Borders of Paradox
 Quantum computers for chemistry: Correlated quantum systems, chemical reaction dynamics, and exploring
classical potential energy surfaces
 Quantum Computing
 Quantum Computing  Theory and Practice: Quantum algorithms, quantum noise and quantum operations
 Quantum Computing  Theory and Practice: Introduction and overview
 Quantum Computing  Theory and Practice: The Qubit and Quantum computation
 Quantum computing  theoretical prospects and relations to classical computation
 Quantum Computing and Teleportation
 Quantum Computing and the Met Office
 Quantum Computing and the Met Office
 Quantum Computing Architectures
 Quantum Computing Architectures
 Quantum Computing Hackathon
 Quantum computing with electron spins in quantum dots
 Quantum Computing, Entanglement and Other Surprises
 Quantum conditional mutual information
 Quantum Conditional Relative Entropy and QuasiFactorization of the relative entropy
 Quantum Conditional States, Bayes' Rule, and State Compatibility
 Quantum Confinement And Nanoelectromechanics In 1d And 2d Inorganic Nanostructures
 Quantum Contextuality: At The Borders of Paradox
 Quantum Contextuality: from paradox to computational resource
 Quantum contextuality: inequalities and tests
 Quantum control and quantum synchronization
 Quantum control of an optomechanical system with a single photon
 Quantum control of continuous variables
 Quantum control of magnon modes in ferromagnet
 Quantum control of superconducting circuits
 Quantum Control: reachability, recurrence & perhaps complexity
 Quantum corrections to Hawking radiation
 Quantum correlations in Newtonian space and time: faster than light communication or nonlocality
 Quantum correlations versus entanglement in composite systems
 Quantum Cosmology and the Probability of Inflation
 Quantum critical itinerant ferromagnetism
 Quantum Critical Scaling of the Geometric Tensors
 Quantum Criticality in Ferroelectrics
 Quantum criticality in slightly Ir and Codoped YbRh2Si2
 Quantum Criticality in Weakly Magnetic Ytterbium Systems
 Quantum Criticality in Weakly Magnetic Ytterbium Systems
 Quantum Criticality, Strange Metals and High Temperature Superconductors
 Quantum Criticality, the Alpha/Delta Puzzle, and Dual Vacua
 Quantum Cryptography
 Quantum cryptography: the ultimate physical limits of privacy
 Quantum DModules
 Quantum digital signatures
 Quantum Dissipation and Control through Feedback Networks
 Quantum Dot Biosensors
 Quantum Dot Growth Technology by MBE for Advanced Photovoltaics
 Quantum Dots and Dislocations: Dynamics of Materials Defects
 Quantum Dynamics in Chemistry
 Quantum Dynamics in the Thermodynamic Limit
 Quantum dynamics of chemical reactions
 Quantum Dynamics of Photosynthetic Light Harvesting: Excitation Energy Transfer in Nano Bio Structures
 Quantum Effects in Biological Systems: using physics to solve biology and biology to solve physics.
 Quantum effects in biology and organic materials: photosynthesis, solar cells and nanomachines.
 Quantum effects in surface diffusion and scattering
 Quantum electronics with carbon nanotubes
 Quantum Entropies Through Convex Optimisation
 Quantum entropy power inequalities
 Quantum ergodicity and BenjaminiSchramm convergence of hyperbolic surfaces
 Quantum Espresso: A highperformance GPU simulation code
 Quantum Estimation for Linear Systems
 Quantum experiments exploiting the radiation pressure interaction between light and matter
 Quantum fdivergences in von Neumann algebras
 Quantum Feedback and Superconducting Microwave Systems
 Quantum Filtering and Dynamical Parameter Estimation
 Quantum fluctuations in hydrogen bond networks: from atmospheric science to enzyme catalysis.
 Quantum flutter of supersonic particles in onedimensional quantum liquids
 Quantum Games with Spins Alight
 Quantum Gas Microscopes  From Textbook Experiments to New Frontiers
 Quantum geometry of 3dimensional lattices
 Quantum graphity: a model of emergent locality in quantum gravity
 Quantum gravity and exact holography
 Quantum Gravity and Monstrous Moonshine
 Quantum gravity as a group field theory: fundamental dynamics of quantum space and effective (quantum) cosmology
 Quantum Gravity at the LHC
 Quantum Groups and the Frobenius map
 Quantum Hall effect in a onedimensional dynamical system
 Quantum Hall ferromagnet at high filling factors: A magnetic field induced Stoner transition
 Quantum Hall transitions and conformal restriction
 Quantum hallography
 Quantum Hardware Description Language
 Quantum Ice
 Quantum Information
 Quantum Information and Computer Networks
 Quantum Information and Relativistic Causality: distinguishing quantum states instantaneously
 Quantum information and the Planck scale
 Quantum Information and Ultracold Atomic Gases
 Quantum information causality
 Quantum Information for Optical Microscopy
 Quantum information processing with semiconductor nanotechnology
 Quantum information processing with silicononinsulator based single electron transistors
 Quantum information processing with superconducting qubits at IBM
 Quantum Information techniques for detecting Topological Order
 Quantum integrability in the Rabi model
 Quantum limited transport in ultracold atomic gases
 Quantum Limits on Noise in Linear Amplifiers
 Quantum Liouville Theory
 Quantum Machine Learning
 Quantum many body effects in transition metal molecules?
 Quantum ManyBody Phenomena in Coupled Arrays of Cavities
 Quantum marginals in quantum spin systems
 Quantum matchgate computations and linear threshold gates
 Quantum Matter
 Quantum Matter
 Quantum Matter
 Quantum mechanical modelling
 Quantum mechanical perspective on dynamical glass transitions
 Quantum Mechanical Simulations of Biochemistry
 Quantum mechanically derived biological force fields
 Quantum Mechanics
 Quantum Mechanics without Wavefunctions
 Quantum Memories
 Quantum methods in bioluminescence imaging and analysis
 Quantum monopoles on lattice
 Quantum Monte Carlo approach to the full configuration interaction problem
 Quantum Monte Carlo at the research frontier: useful calculations for big, complicated systems
 Quantum Monte Carlo Modeling of πbonded Transitionmetal Organometallics
 Quantum Monte Carlo study of the first row atoms & ions.
 Quantum Monte Carlo study of the phase diagram of solid molecular hydrogen at extreme pressures
 Quantum Monte Carlo without breaking the bank?
 Quantum network models and classical trails
 Quantum nuclear effects on the dynamics and spectroscopy of large molecules in the gas phase. Are they really important?
 Quantum oneway communication can be exponentially stronger than classical communication
 Quantum optics in mesoscopic systems
 Quantum Optomechanics or The Science of Firmly Holding Stuff in Place with Light
 Quantum OrderbyDisorder Near Criticality and the Secret of the Partially Ordered Phase of MnSi
 Quantum Orientifold Effective Actions
 Quantum oscillations in an ironbased superconductor
 Quantum pattern matching fast on average
 Quantum Phase transitions in 3d ChernSimonsmatter theories
 Quantum phase transitions of light
 Quantum Photonics
 Quantum Physics and Medical Imaging
 Quantum Physics of Low Dimensional Systems
 Quantum Point Contacts: a Tunable SingleSpin System ?
 Quantum privacy: introducing mutual independence
 Quantum Quantum Thermodynamics
 Quantum quenches in integrable lattice systems
 Quantum quenches in the sineGordon model: a semiclassical approach
 Quantum random walks and orthogonal polynomials
 Quantum randomness and Kolmogorov probability
 Quantum randomness and Kolmogorov probability
 Quantum Reading of Digital Memories
 Quantum relay using semiconductor light sources (SP Workshop)
 Quantum renormalization group and holography
 Quantum Resistance Standard Based on Graphene
 Quantum resolution of cosmological singularities using AdS/CFT
 Quantum reverse hypercontractivity
 Quantum reverse hypercontractivity: its tensorization and application to strong converses
 Quantum Riemann surfaces
 Quantum scattering on curved spacetimes
 Quantum Search with BoseEinstein Condensates and Effective Nonlinearities
 Quantum Shannon Theory: Rothschild Distinguished Visiting Fellow Lecture
 Quantum Simulation of Mesoscopic Fermi Systems
 Quantum simulation with ultracold atoms
 Quantum simulator with a fluid of light
 Quantum Simulators with Polariton Graphs
 Quantum spanning forests
 Quantum State Smoothing
 Quantum states as measures on the spectral presheaf
 Quantum states cannot be transmitted efficiently classically
 Quantum states in solids and their sensitivity to spectators and boundary conditions
 Quantum States: Are they the real thing?
 Quantum steering inequalities
 Quantum Technologies From Science to Innovation
 Quantum Technologies Special Interest Group and Funding Opportunities
 Quantum Technology: Supplying the Picks and Shovels
 Quantum theory from four requirements
 Quantum theory from simple physical principles for single systems
 Quantum Theory, Relativity and Information
 Quantum Theory: one world or many?
 Quantum Thermal Conductance of a OneDimensional Wire
 Quantum tori and Morita equivalence
 Quantum tori and Morita equivalence
 Quantum Trajectories in the Laboratory
 Quantum transition state theory?
 Quantum transitions in LennardJones clusters
 Quantum transport beyond the independentelectron approximation
 Quantum transport in chaotic cavities and Selberg integral
 Quantum transport in disordered graphene
 Quantum transport in heterostructured nanowires
 Quantum Transport in Low Dimensional Carbon Based Materials & Devices
 Quantum transport in mesoscopic graphene/superconductor hybrid devices
 Quantum Transport in Nanotube and Nanowirebased Quantum Dots
 Quantum transport in strongly interacting Fermi gases
 Quantum Transport of Electrons in Graphene Structures
 Quantum Tricritical Points in NbFe2
 Quantum Tunnelling Splittings from RingPolymer Instanton Theory
 Quantum Tunnelling Splittings in Water Clusters, from RingPolymer Instanton Theory
 Quantum turbulence from superfluid helium to atomic BoseEinstein condensates
 Quantum Universe
 Quantum vortex dynamics by Seifert surface information
 Quantum vortex reconnections
 Quantum vs. classical localization of excited manyparticle states
 Quantum writing: literature and the world of numbers
 Quantumenhanced quantum phase tracking and the Stochastic Heisenberg Limit
 Quantum Chemical Topology: constructing a novel force field with malleable atoms
 Quarkgluon plasma phenomenology from lattice QCD
 Quarkonium dissociation by anisotropy in a strongly coupled CFT
 Quarkonium Production at the LHC
 Quarks and their quirks
 Quarks, Gluons and Black Holes
 Quarrying for Rome: Life in the Eastern Desert of Roman Egypt.
 Quartermasters of Capital
 Quartets and unrooted phylogenetic networks
 Quartics, sextics and G_2 structures
 Quartics, sextics and G_2 structures
 Quasar Outflows and Black Hole Masses
 Quasars and Radio Galaxies  the most powerful sources of radio waves in the universe
 Quasars in the epoch of reionization
 Quasars Probing Quasars: Thinking Outside of the Grid
 Quasi Poisson structures, Courant algebroids and Bianchi identities for nongeometric fluxes
 Quasianelastic vs. elastic modeling with ECMWF's IFS model
 Quasielastic neutron scattering: a powerful tool to investigate molecular dynamics in two dimensions
 Quasifactorization of the quantum relative entropy
 Quasiflats in hierarchically hyperbolic spaces
 Quasiintegrability: the first steps towards defining this concept
 Quasiisolated blocks of exceptional groups
 Quasilinear Sensor Management
 Quasimodes in shear flows: a working concept
 QuasiMonte Carlo Methods: From Geometric Discrepancy to High Dimensional Integration
 Quasinormal modes for Kerrde Sitter black holes
 Quasireductive Lie algebras
 Quasistatic rheology of granular materials. What we learned from discrete simulations
 Quasicrystals as Templates for Aperiodic Films
 Quasicrystals, Charge Ordering and the Quantum Hall Effect
 Quasilocality of splitting/joining strings from coherent states
 Quasimodes of Seba billiards
 Quasinormal modes of black holes
 Quasiparticle effective mass of the twodimensional homogeneous electron gas
 Quasiparticle Selfconsistent GW Approximation as a Universal Framework for Electronic Structure
 Quasirandom groups
 Quasirandom Groups, Minimally Almost Periodic Groups and Ergodic Ramsey Theory
 Quastel Midgen LLP presentation
 Quaternary Climate Change in Arabia: Implications for the Timing of Human Migration and Expansion
 Quaternary climate in the Arctic: development of Greenland's first speleothembased climate record
 Quaternary Discussion Group seminar
 Quaternary glaciation in the Mediterranean mountains: new results from North Africa and the Balkans
 Quaternary palaeoclimate changes from the margins of the Indian Thar Desert
 Quaternionic Geometry and String Theory
 Queen Elizabeth Class Aircraft Carriers
 Queens, workers, and working queens: morphological adaptations related to castespecific behaviours in ants
 Queer British Art 1861 – 1967 An exhibition at Tate Britain
 Queer feet: tracing the normal and the pathological in nineteenthcentury movement studies
 Queer Kinships
 Queer stories at the Museum
 Queer Women in the Second World War in England
 Quench in interacting spinless fermions in one dimension
 Quentin Skinner Lecture & Colloquium: Dr Sophie Smith (Oxford): 'The Nature of Politics and the History of Political Thought'
 Querying and Visualising a Knowledge Base
 Question everything
 QUESTION TIME
 Question Time: Islam Today & Tomorrow
 Question types – in search of a taxonomy
 Question writing
 Questioning the images of life before birth: Lennart Nilsson's fetal photographs in public debate
 Questioning the relationship between Music and social inclusion: a crucial issue
 Questions
 Questions
 Questions
 Questions
 Questions and Answers
 Questions and Answers
 Questions and Discussion
 Questions and Discussion
 Questions and Discussion
 Questions and Discussion
 Questions and Discussion
 Questions and Discussions
 Questions and Discussions
 Questions and Discussions
 Questions and Discussions
 Questions and Discussions
 Questions and questionnaires: knowledge, evidences and rituals of speaking in the early modern period
 Questions and Wrapup
 Questions and Wrapup
 Questions and Wrapup
 Questions of Loyalty: The Catholic Peerage in Early Restoration Ireland
 Questions of Morality in Global Health An interdisciplinary conference
 Questions of voice:Dialogue and change in music education.‘A communal venturing forth’ (Jean Rudduck)
 Questions, Answers and Discussion
 Questions, Discussion and Wrapup
 Questions, Discussion and WrapUp
 Questions, Discussions and Wrapup
 Questions, Discussions and Wrapup
 Questions/Discussions
 Queueing with Redundant Requests: A more realistic model
 Queues don’t matter when you can Jump them!
 Queues with skill based routing under FCFS  ALIS (Assign Longest Idle Server) regime
 Queues, collisions and extremes of integral mean of stationary Gaussian processes
 Queues, Counters and Optimization
 Queuing systems with multitype jobs and multitype servers
 Queuing systems with multitype jobs and multitype servers
 Queuing Theory and Scale
 QUIC Graphs: Relational Invariant Generation for Containers
 Quicker Sorting
 Quickest Changepoint Detection: Optimality Properties of the ShiryaevRobertsType Procedures
 Quicksilver solutions of a qdiscrete Painlev equation
 QuickSpec  Guessing Formal Specifications using Testing
 Quikr: Rapid Bacterial Community Reconstruction Via Compressive Sensing
 Quine’s “New Foundations” Set Theory
 Quirkology: weird psychology
 Quiver presentations of descent algebras of finite Coxeter groups
 Quiver varieties and tensor products
 Quivers and CFT: preprojective algebras and beyond
 Quiz
 Quiz Night
 QuLog: A modern logicbased agentimplementation language
 Qunatitative phosphoproteomics as a tool to investigate insulin signalling
 Quo vadis adsorption technology?  An overview about future trends
 Quo vadis fullwaveform inversion
 Quo whatis quandles?
 Quorum sensing and the social evolution of bacterial virulence
 Quorum sensing, differentiation and a “GPCRlike protein” in T.brucei: the bacterial connection
 Quotation and the Law
 Quotients of symmetric varieties
