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Complex Systems

The official seminar shared by the Dynamical Systems & Statistical Physics and the Complex Systems & Networks research groups.

Time: Tuesday at 16:00; tea is available from 15:30 in the adjacent common room.
Location: Room 103, first floor of the Mathematical Sciences Building
Organizers: Adrian Baule and Lucas Lacasa

Date/Time Room Speaker Title
15/09/2009 - 4:00pm 103 Lai-Sang Young, Courant Institute, New York Nonequilibrium steady states for certain Hamiltonian models
29/09/2009 - 4:00pm 103 Hugo Touchette, School of Mathematical Sciences, Queen Mary, University of London Unusual equilibrium properties of long-range systems
06/10/2009 - 4:00pm 103 Murad Banaji, Department of Medical Physics, University College London Combinatorial approaches to injectivity of functions with applications to multiple equilibria in dynamical systems
13/10/2009 - 4:00pm 103 Ricardo Carretero-Gonzales, Department of Mathematics and Statistics, San Diego State University, USA Dynamics of soliton chains: From soliton interactions to homoclinic tangles
20/10/2009 - 4:00pm 103 Uchechukwu E. Vincent, Department of Physics, Lancaster University and Olabisi Onabanjo University, Nigeria Controlling Multiple Current-Reversals in Synchronized Ratchets
28/10/2009 - 4:00pm 103 Yan Fyodorov, School of Mathematical Sciences, University of Nothingham Extreme value statistics of 1/f noises generated by Gaussian free fields: Statistical mechanics approach
03/11/2009 - 4:00pm 103 Tobias Kuna, Department of Mathematics, University of Reading Realization of low order correlation functions
05/11/2009 - 5:00pm 513 Jan Naudts, University of Antwerp(joint with Stat Mech study group) Mathematical Aspects of Generalized Entropies and their Applications
10/11/2009 - 4:00pm 103 Ralph Kenna, Applied Mathematics Research Centre, Coventry University CANCELLED - The site-disordered Ising model in two and four dimensions
17/11/2009 - 4:00pm 103 Erik Curiel, Department of Philosophy, Logic and Scientific Method, London School of Economics CANCELLED - Classical mechanics is Lagrangian; it is not Hamiltonian
24/11/2009 - 4:00pm 103 Amanda Turner, Department of Mathematics and Statistics,Lancaster University Scaling limits of random growth models
01/12/2009 - 4:00pm 103 Rosalind Allen, School of Physics and Astronomy, University of Edinburgh Modelling the growth of bacterial populations in changing environments
08/12/2009 - 4:00pm 103 Neil O'Connell, Mathematics Institute, University of Warwick Directed polymers and the quantum Toda lattice
15/12/2009 - 4:00pm 103 Richard A. Watson, School of Electronics and Computer Science, University of Southampton Global adaptation in systems of selfish components: A connectionist view of evolution
15/01/2010 - 3:00pm 513 Malte Henkel, Groupe de Physique Statistique, Université de Nancy, France Introduction to local scale-invariance
19/01/2010 - 4:00pm 103 Vladimir Belitsky, Instituto de Matemática e Estatística, Universidade de São Paulo, Brazil Analytic results for a model of collective human behaviour
26/01/2010 - 4:00pm 103 Erik Curiel, Department of Philosophy, Logic and Scientific Method, London School of Economics Classical mechanics is Lagrangian; it is not Hamiltonian
02/02/2010 - 4:00pm 103 Vivo Pierpaolo, International Center for Theoretical Physics, Trieste, Italy How many eigenvalues of a Gaussian matrix are positive?
09/02/2010 - 4:00pm 103 Kim Christensen, Condensed Matter Theory Group, Institute for Mathematical Sciences, Imperial College London Ant colonies as complex systems
16/02/2010 - 4:00pm 103 Ralf Metzler, Physik Department, Technical University of Munich Single particle trajectory analysis in complex systems: Anomalous diffusion and violation of ergodicity
23/02/2010 - 4:00pm 103 Matteo Colangeli, School of Mathematical Sciences, Queen Mary, University of London From Boltzmann's equation to hydrodynamics: The art of model reduction
02/03/2010 - 4:00pm 103 Andrew Curtis, School of Mathematical Sciences, Queen Mary, University of London A perambulation around a parameter space of covering correspondences
09/03/2010 - 4:00pm 103 Ralph Kenna, Applied Mathematics Research Centre, Coventry University Phase transitions in the growth of groups
16/03/2010 - 4:00pm 103 Roman V. Belavkin, School of Engineering and Information Sciences, Middlesex University Geometry and optimisation of learning
23/03/2010 - 4:00pm 103 Thomas Prellberg, School of Mathematical Sciences, Queen Mary, University of London Forcing adsorption of a tethered polymer by pulling
30/03/2010 - 4:00pm 103 Gunnar Pruessner, Department of Mathematics, Imperial College London Self-organised criticality: Its history and recent developments
13/04/2010 - 4:00pm 103 Lamberto Rondoni, Dipartimento di Matematica, Politecnico di Torino, Italy Memory effects in a Langevin equation for feedback cooling and the detection of gravitational waves
19/04/2010 - 4:00pm 103 Tibor Antal, Harvard University, USA Stochastic Models of Tumor Progression
27/04/2010 - 3:00pm 103 Jacob Steel, School of Mathematical Sciences, Queen Mary, University of London SPECIAL TALK: Majorisation ordering of invariant measures for transformations of the unit interval
27/04/2010 - 4:00pm 103 Renaud Leplaideur, Département de Mathématiques, Université de Brest, France Selection of maximizing measure at temperature zero in the shift
11/05/2010 - 2:00pm 103 Alexander Plakhov, Department of Mathematics, University of Aveiro, Portugal CANCELLED: Billiard scattering by rough bodies
18/05/2010 - 4:00pm 103 David Chappell, School of Mathematical Sciences, University of Nottingham CANCELLED
25/05/2010 - 4:00pm 103 David Schwab, Princeton University Hidden Markov models, statistical mechanics, and learning binding sites with finite data
15/06/2010 - 4:00pm 103 Andrew Ferguson, University of Warwick Escape rates for Gibbs measures
31/08/2010 - 4:00pm 103 Hiroyasu Ando, RIKEN Brain Science Institute, Japan Adaptive delayed feedback control in one-dimensional maps
28/09/2010 - 4:00pm 103 Astero Provata, Athens Synchronization and intermittent oscillations in coupled nonlinear stochastic networks
05/10/2010 - 4:00pm 103 Henrik Jensen, Imperial College London Self-similar behaviour in the brain: the correlations in rest-state fMRI
12/10/2010 - 4:00pm 103 Peter Sollich, Kings College London Large deviations and ensembles of trajectories in stochastic models
19/10/2010 - 4:00pm 103 Stefan Groote, Tartu/Mainz Perturbative methods for chaotic strings
26/10/2010 - 4:00pm 103 Alexander Plakhov, Aveiro Billiard scattering by rough bodies
02/11/2010 - 4:00pm 103 Renaud Lambiotte, Imperial College London Modules and hierarchies in complex networks
03/11/2010 - 1:30pm 203 Special Event One day ergodic theory meeting
09/11/2010 - 4:00pm 103 Roland Zweimueller, Surrey Globally coupled chaotic systems with bistable thermodynamic limit
16/11/2010 - 4:00pm 103 Siegfried Hess, Berlin Regular and chaotic orientation behaviour and flow properties of nano-rod fluids and liquid crystals
23/11/2010 - 4:00pm 103 Jamie Wood, York Recent results on the collective motion of fish, birds and insects - modelling speed distributions and their importance
30/11/2010 - 4:00pm 103 James Robinson, Warwick Uniqueness of Lagrangian trajectories for weak solutions of the 2D and 3D Navier-Stokes equations
07/12/2010 - 4:00pm 103 Juan Valiente-Kroon, Queen Mary Stability problems in mathematical General Relativity: conformal methods and geometric invariants
14/12/2010 - 4:00pm 103 Joerg Neunhaeuserer, Clausthal From number theory to dynamical systems via geometric measure theory
11/01/2011 - 4:00pm 103 Dr. Erik Van der Straeten (QMUL) Stochastic differential equations with non-uniform temperatures
18/01/2011 - 4:00pm 103 Dr. Valerio Lucarini (Reading) A statistical mechanical approach for the computation of the climatic response
25/01/2011 - 4:00pm 103 Prof. Yuzuru Sato (Hokkaido) Noise-induced phenomena in 1-dimensional maps
01/02/2011 - 4:00pm 103 Prof. John Cardy (Oxford) The ubiquitous 'c': From the Stefan-Boltzmann law to quantum information
08/02/2011 - 4:00pm 103 Dr. Oleg Zaboronski (Warwick) Non-equilibrium phase transition in a model of cluster-cluster aggregation
15/02/2011 - 4:00pm 103 Dr. Luca Giuggioli (Bristol) Animal movement and interaction and the emergence of territoriality
22/02/2011 - 4:00pm 103 Prof. David Ruelle (IHES) Characterization of Lee-Yang polynomials
01/03/2011 - 4:00pm 103 Dr. Hinke Osinga (Bristol) The role of global manifolds in the transition to chaos in the Lorenz model
08/03/2011 - 4:00pm MLT Nigel Lesmoir-Gordon (Gordon Films UK) Benoit Mandelbrot and the colours of infinity (Movie)
15/03/2011 - 4:00pm 103 Dr. Isaac Perez Castillo (KCL) Large deviations of the smallest eigenvalue of the Wishart-Laguerre ensemble
22/03/2011 - 4:00pm 103 Dr. Hartmut Erzgraeber (Exeter) Symmetry reduction and shear-induced dynamics in coupled-laser models
29/03/2011 - 4:30pm Fogg LT Prof. Dirk Helbing (Zurich) FuturICT
05/04/2011 - 4:00pm 103 Dr. Adrian Baule (New York) Ensemble approaches in non-equilibrium statistical mechanics
26/04/2011 - 4:00pm 103 Prof. Richard Sharp (Manchester) Spectral triples and Gibbs measures on Cantor sets
17/05/2011 - 4:00pm 103 Prof. Ian Melbourne (Surrey) Convergence of moments for Axiom A and nonuniformly hyperbolic flows
27/05/2011 - 12:15pm 103 SPECIAL EVENT: CoSyDy meeting on Long-range correlations in space and time
27/09/2011 - 4:00pm M 103 Henk Bruin (Surrey) Transience and Thermodynamics Formalism for (Induced) Interval Maps
04/10/2011 - 4:00pm M 103 Carl Dettmann (Bristol) New horizons in multidimensional diffusion: The Lorentz gas and the Riemann Hypothesis
11/10/2011 - 4:00pm M 103 Andrea Jimenez Dalmaroni (Imperial) - CANCELLED -
18/10/2011 - 4:00pm M 103 Wael Bahsoun (Loughborough) Metastability of intermittent and randomly perturbed maps
25/10/2011 - 4:00pm M 103 Mark Holland (Exeter) Extreme value theory for physical observations
02/11/2011 - 2:00pm M 203 One Day Ergodic Theory Meeting Special Event
02/11/2011 - 4:45pm M 203 Alexander Gorodnik (Bristol), joint with One day Ergodic Theory Meeting Quantitative ergodic theorems and Diophantine approximation
08/11/2011 - 4:00pm M 103 Aleks Owczarek (Univ. Melbourne) Breaking crossover scaling in a model of polymer collapse
15/11/2011 - 4:00pm M 103 Nikita Sidorov (Manchester) Growth of long matrix products, finiteness conjecture and maximizing sequences
29/11/2011 - 4:00pm M 103 Franco Vivaldi (QMUL) Regular motions and anomalous transport in a piecewise isometric system
06/12/2011 - 4:00pm M 103 Rui Carvalho (QMUL) Fair sharing of resources in a supply network with constraints
13/12/2011 - 4:00pm M 103 Vasso Anagnostopoulou (TU Dresden) Non-autonomous saddle-node bifurcations
10/01/2012 - 4:00pm M 103 Mike R Jeffrey (Bristol) From discontinuity to non-determinism in dynamical systems
18/01/2012 - 4:00pm M 203 Jens Starke (DTU/Lyngby) Traveling waves and oscillations in particle models
24/01/2012 - 4:00pm M 103 Mason A. Porter (Oxford) Synchronization of Cows
31/01/2012 - 4:00pm M 103 Ian Morris (Surrey) A Devil's staircase associated to the joint spectral radii of a family pair of matrices
07/02/2012 - 4:00pm M 103 Roberto Artuso (CNCS/Como) Weak decay of correlations: some new perspectives
21/02/2012 - 4:00pm M 103 Anxo Sanchez (Madrid) The emergence of cooperation: the game theoretical and experimental approach
28/02/2012 - 4:00pm M 103 Peter Ashwin (Exeter) A stability index for non-asymptotically stable attractors
29/02/2012 - 4:00pm M 203 Rosario Mantegna (Palermo) Co-occurrence networks in social and economic systems
02/03/2012 - 4:00pm M 203 Hans-Henrik Rugh (Orsay) Micro-canonical thermodynamics: why does heat flow from hot to cold?
06/03/2012 - 4:00pm M 103 Sergio Ciliberto (Lyon) Fluctuations, linear response and heat flux of a system coupled with an out of equilibrium bath
13/03/2012 - 4:00pm MLT Murray Gell-Mann (Santa Fe) Generalized entropies
20/03/2012 - 4:00pm M 103 Alberto Robledo (UNAM) The new faces of the Feigenbaum point
15/05/2012 - 4:00pm M 103 Peter Hazard (Warwick) Henon-like maps, Renormalisation and Invariants
23/05/2012 - 11:00am M 103 Annual Workshop of the London Dynamical Systems Group Special Event
18/09/2012 - 4:00pm 103 Alexander Balanov (Loughborough University) Controlling collective electron dynamics via single-particle complexity
25/09/2012 - 4:00pm 103 Christoforos Hadjichrysanthou (City University) Evolutionary dynamics on graphs
02/10/2012 - 4:00pm 103 Jan Sieber (University of Exeter) Tracking unstable periodic orbits in experiments with feedback control
09/10/2012 - 4:00pm 103 Elaine Chew (EECS, Queen Mary) Mathematical models, music structure and prosody
16/10/2012 - 4:00pm 103 Jason Laurie (ENS Lyon) A large deviation approach to computing rare transitions in multistable stochastic turbulence flows
23/10/2012 - 4:00pm 103 Oleg Zaboronski (University of Warwick) Annihilating Brownian motions in one dimension and Ginibre ensemble of random matrices
30/10/2012 - 4:00pm 103 Sanju Velani (University of York) Diophantine approximation, fractal sets and lacunary sequences
06/11/2012 - 4:00pm 103 Dragi Karevski (Nancy, France) Quantum Non-Equilibrium Steady State Induced by Repeated Interactions
13/11/2012 - 4:00pm 103 Constantino Tsallis, (CBPF, Brazil) News on statistical mechanics for complex systems
20/11/2012 - 4:00pm 103 David Barton (Bristol) Bifurcation analysis in physical experiments: Open problems
27/11/2012 - 4:00pm 103 Raphael Chetrite (Nice, France) A hint of large deviations in statistical physics
04/12/2012 - 4:00pm 103 Kavin Preethi Narasimhan (Computer Science, QMUL) Computer simulations of F-formations
11/12/2012 - 4:00pm 103 Cesare Nardini (Florence and ENS Lyon) Energy landscape of classical spin models
15/01/2013 - 4:00pm 103 Eva-Maria Graefe (Imperial College London) Complexified quantum theory and the semiclassical limit
22/01/2013 - 4:00pm 103 Grigorios A. Pavliotis (Imperial College London) Convergence to equilibrium for nonreversible diffusions
29/01/2013 - 4:00pm 103 Ivette Fuentes (Nottingham) CANCELLED: Relativistic quantum information processing (Joint with the Relativity and Cosmology Seminar)
05/02/2013 - 4:00pm 103 Ginestra Bianconi (QMUL) Entropy of network ensembles
12/02/2013 - 4:00pm 103 Charo I. Del Genio (Warwick) Degree based construction of directed networks
19/02/2013 - 4:00pm 103 Roseli S. Wedemann (Imperial and Rio de Janeiro) Modeling associativity in mental activity with complex neural networks
26/02/2013 - 4:00pm 103 Martin Rasmussen (Imperial) Additive noise does not destroy a pitchfork bifurcation
05/03/2013 - 4:00pm 103 Charles Walkden (Manchester) Stochastic stability for generalised iterated function systems
12/03/2013 - 4:00pm 103 Georg Ostrovski (Imperial) A Dynamical System Motivated by Games: Fictitious Play & Piecewise Affine Dynamics
19/03/2013 - 4:00pm 103 Satya Majumdar (Paris Sud) Random convex hulls: Applications to ecology and animal epidemics
26/03/2013 - 4:00pm 103 Thierry Platini (Coventry) Measure of violation of detailed balance criterion
24/09/2013 - 4:00pm 103 Mike Field (Rice) Asynchronous Networks
01/10/2013 - 4:00pm 103 Giovanni Diana (Luxembourg) The thermodynamic cost of information processing
08/10/2013 - 4:00pm 103 Peter Sollich (King's College) Gaussian process learning on random graphs
15/10/2013 - 4:00pm 103 Andrea Baronchelli (City University London) Lévy flights in human mental searches
22/10/2013 - 4:00pm 103 Sebastian Ahnert (Cambridge) Compressible components reveal network architectures
29/10/2013 - 4:00pm 103 Thilo Gross (Bristol) The Magical Red Arrow: Local Analysis and Global Phenomena in complex networks
05/11/2013 - 4:00pm 103 Mason Porter (Oxford) Community Structure in Networks
12/11/2013 - 4:00pm 103 Simone Severini (UCL) Graph Isomorphism: Quantum Ideas
19/11/2013 - 4:00pm 103 Nick Jones (Imperial College) Structure in Networks and Signals
26/11/2013 - 4:00pm 103 Ton Coolen (King's College London) Solvable model of an immune network on a finitely connected heterogeneous graph with extensively many short loops
03/12/2013 - 4:00pm 103 Tim Rogers (Bath) Epidemics and elections: the importance of demographic noise in adaptive networks
10/12/2013 - 4:00pm 103 Stefan Grosskinsky (Warwick) Dynamics of condensation in inclusion processes and related models
07/01/2014 - 4:30pm 103 Sam Johnson (Imperial College) The role of trophic coherence in food webs: Diversity and stability reconciled?
14/01/2014 - 4:30pm 103 Mark Broom (City University London) Evolution in structured populations: modelling the interactions of individuals and groups
21/01/2014 - 4:30pm 103 Dhagash Mehta (Univ. North Carolina) Computational Algebraic Geometry and Potential Energy Landscapes
28/01/2014 - 4:30pm 103 Henrik Jensen (Imperial College) Music, the brain and the analysis of spatio-temporal correlations and information flow in and between brains of musicians and audience.
04/02/2014 - 4:30pm 103 Thomas Prellberg (QMUL) The pressure of surface-attached polymers and vesicles
11/02/2014 - 4:30pm 103 Luca Dall 'Asta (Politecnico di Torino) Inverse problems for spreading dynamics on networks
18/02/2014 - 4:30pm 103 Geoff Rodgers (Brunel University) Network Growth Models with Intrinsic Vertex Fitness
25/02/2014 - 4:30pm 103 Iain Johnston (Imperial College London) Physical modelling and Bayesian inference elucidate the debated mechanism of the mtDNA bottleneck
04/03/2014 - 4:30pm 103 Anne Kandler (City University) How to analyse cultural change?
11/03/2014 - 4:30pm 103 Ole Peters (London Mathematical Laboratory) A discourse on decision theory
18/03/2014 - 4:30pm 103 Damien Foster (Coventry) Critical behaviour of Frustrated Walks on the Square Lattice
25/03/2014 - 4:30pm 103 Davide Cellai (University of Limerick) Percolation models in multiplex networks
31/03/2014 - 11:30am MLT SPECIAL EVENT: CoSyDy meeting on Complexity and Epidemic Dynamics
06/05/2014 - 4:00pm 103 Anita Kristine Ponsaing (Université de Genève) The Brauer loop model and algebraic geometry
04/06/2014 - 4:00pm 103 Sitabhra Sinha (The Institute of Mathematical Sciences, Chennai, India) Using nonlinear dynamics and complex networks to understand the brain
03/07/2014 - 4:30pm 103 Luna Lomonaco (USP, Sao Paolo) Parabolic-like mappings and correspondences
08/07/2014 - 4:00pm 103 Karim Essafi (Okinawa Institute of Science and Technology) Nonperturbative Renormalization Group Approach to Polymerized Membranes
22/07/2014 - 4:00pm 103 Pablo Hurtado Fernández (University of Granada) Scaling laws and local equilibrium in nonequilibrium fluids
23/09/2014 - 4:00pm M103 Oscar Bandtlow (QMUL) Continuity of the topological entropy for interval maps with holes
30/09/2014 - 4:00pm 103 Enzo Nicosia (QMUL) Reducibility of multiplex networks
07/10/2014 - 4:00pm M103 Christian Beck (QMUL) Axionic dark matter physics in Josephson junctions
14/10/2014 - 4:00pm 103 Nicholas Moloney (London Mathematical Laboratory) Perils of thresholding
21/10/2014 - 4:00pm M103 Colm Connaughton (Warwick) Oscillatory kinetics in cluster-cluster aggregation
28/10/2014 - 4:00pm 103 Fabio Caccioli (UCL) A network model of financial contagion due to overlapping portfolios
11/11/2014 - 4:00pm 103 Patrick Wolfe (UCL) Understanding the Behavior of Large Networks
18/11/2014 - 4:00pm M103 Tomaso Aste (UCL) Unwinding Market Complexity: scaling laws and network filtering
20/11/2014 - 5:00pm BR 3.02 James Meiss (Colorado) Perturbing the Cat Map: Mixed Elliptic and Hyperbolic Dynamics
21/11/2014 - 4:00pm 203 Miguel Angel Muñoz (Universidad de Granada, Spain) Griffiths phases and criticality in brain networks
25/11/2014 - 4:00pm 103 Sergei Nechaev (LPTMS, Orsay, France) Low-dimensional topology and non-Euclidean geometry in Nature
02/12/2014 - 4:00pm M103 Ferrucio Renzoni (UCL) TBA
03/12/2014 - 1:30pm M103 Special event One-day ergodic theory meeting
09/12/2014 - 4:00pm 103 Alain Joye (Institut Fourier, Universite de Grenoble) Spectral Transition for Random Quantum Walks on Trees
27/01/2015 - 4:00pm M103 Dmitry Turaev (Imperial) TBA
03/02/2015 - 4:00pm M103 Pierpaolo Vivo (KCL) TBA
10/02/2015 - 4:00pm M103 Radek Erban (Oxford) TBA
17/02/2015 - 4:00pm M103 Carlo Barenghi (Newcastle) Emergence of classical behaviour in a quantum fluid
03/03/2015 - 4:00pm 103 Stefano Boccaletti TBA
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