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School of Mathematical Sciences

Dr Wolfram Just

Wolfram

Reader in Applied Mathematics

Email: w.just@qmul.ac.uk
Telephone: +44 (0)20 7882 7834
Room Number: Mathematical Sciences Building, Room: MB-324
Website: http://www.maths.qmul.ac.uk/~wj/
Office Hours: In person: MB 324, Tuesdays 2:30pm -3:30pm (or just pop in at any time). Online: Zoom at https://qmul-ac-uk.zoom.us/j/8927018799 (e.g. email me for an appointment).

Profile

Wolfram joined QMUL by TEC in January 2000 and became a member of the School of Mathematical Sciences. His areas of expertise are Dynamical Systems Theory and Statistical Physics with applications in control, synchronisation, time delay dynamics, stochastic modelling, and data analysis.

Research

Publications

    • Zahradova K, Slipantschuk J, Bandtlow O et al. (2022), Impact of symmetry on ergodic properties of triangular billiards Physical Review E: Statistical, Nonlinear, and Soft Matter Physics $nameOfConference
    • Carter DJ, Dunstan DJ, Just W et al. (2021), Softening of the Euler Buckling Criterion under Discretization of Compliance Physical Review Applied $nameOfConference
    • Carter D, Dunstan D, Just W et al. (2021), Softening of the Euler buckling criterion under discretization of compliance Physical Review Applied $nameOfConference
    • Slipantschuk J, Richter M, Chappell DJ et al. (2021), Transfer operator approach to ray-tracing in circular domains Nonlinearity $nameOfConference
    • Slipantschuk J, Bandtlow OF, Just W (2020), Dynamic mode decomposition for analytic maps Communications in Nonlinear Science and Numerical Simulation $nameOfConference
    • Otto A, Just W, Radons G (2019), Nonlinear dynamics of delay systems: an overview. Philos Trans A Math Phys Eng Sci $nameOfConference
    • Lacasa L, JUST W (2018), Visibility graphs and symbolic dynamics Physica D $nameOfConference
    • GEFFERT PM, JUST W (2017), Nonequilibrium dynamics of a pure dry friction model subjected to coloured noise Physical Review E $nameOfConference
    • Slipantschuk J, BANDTLOW OF, Just W (2017), Complete spectral data for analytic Anosov maps of the torus Nonlinearity $nameOfConference
    • Tumash L, Zakharov A, Lehnert J et al. (2017), Stability of amplitude chimeras in oscillator networks Europhysics Letters $nameOfConference
    • Bandtlow OF, Just W, Slipantschuk J (2017), Spectral structure of transfer operators for expanding circle maps Annales de l'Institut Henri Poincare (C) Analyse Non Lineaire $nameOfConference
    • Just W, Geffert PM, Zakharova A et al. (2016), Noisy dynamical systems with time delay: Some basic analytical perturbation schemes with applications $journal $nameOfConference
    • Jüngling T, Fischer I, Schöll E et al. (2015), Synchronization of Heterogeneous Oscillators by Noninvasive Time-Delayed Cross Coupling Physical Review Letters $nameOfConference
    • Geffert PM, Zakharova A, Vüllings A et al. (2014), Modulating coherence resonance in non-excitable systems by time-delayed feedback European Physical Journal B $nameOfConference
    • Chen Y, Just W (2014), Large-deviation properties of Brownian motion with dry friction. Phys Rev E Stat Nonlin Soft Matter Phys $nameOfConference
    • Chen Y, Just W (2014), First-passage time of Brownian motion with dry friction PHYSICAL REVIEW E $nameOfConference
    • Slipantschuk J, Bandtlow OF, Just W (2013), Analytic expanding circle maps with explicit spectra NONLINEARITY $nameOfConference
    • Chen Y, Baule A, Touchette H et al. (2013), Weak-noise limit of a piecewise-smooth stochastic differential equation Physical Review E - Statistical, Nonlinear, and Soft Matter Physics $nameOfConference
    • Slipantschuk J, Bandtlow OF, Just W (2013), On correlation decay in low-dimensional systems EPL $nameOfConference
    • Klages R (2013), Nonequilibrium Statistical Physics of Small Systems - Fluctuation Relations and Beyond $journal $nameOfConference
    • Slipantschuk J, Bandtlow OF, Just W (2013), On the relation between Lyapunov exponents and exponential decay of correlations JOURNAL OF PHYSICS A-MATHEMATICAL AND THEORETICAL $nameOfConference
    • Touchette H, Prellberg T, Just W (2012), Exact power spectra of Brownian motion with solid friction J. Phys. A: Math. Theor. 45, 395002, 2012 $nameOfConference
    • Carvalho R, Buzna L, Just W et al. (2012), Fair sharing of resources in a supply network with constraints PHYSICAL REVIEW E $nameOfConference
    • Carvalho R, Buzna L, Just W et al. (2012), Fair sharing of resources in a supply network with constraints. Phys Rev E Stat Nonlin Soft Matter Phys $nameOfConference
    • Guill C, Drossel B, Just W et al. (2011), A three-species model explaining cyclic dominance of Pacific salmon J THEOR BIOL $nameOfConference
    • Guill C, Reichardt B, Drossel B et al. (2011), Coexisting patterns of population oscillations: The degenerate Neimark-Sacker bifurcation as a generic mechanism PHYS REV E $nameOfConference
    • Touchette H, Van der Straeten E, Just W (2010), Brownian motion with dry friction: Fokker-Planck approach J PHYS A-MATH THEOR $nameOfConference
    • von Loewenich C, Benner H, Just W (2010), Experimental verification of Pyragas-Scholl-Fiedler control PHYS REV E $nameOfConference
    • Helbig K, Just W, Radons G et al. (2010), Dynamic structure factors and Lyapunov modes in disordered chains PHYS REV E $nameOfConference
    • Just W (2010), Toom's Model with Glauber Rates: An Exact Solution Using Elementary Methods J STAT PHYS $nameOfConference
    • Just W, Pelster A, Schanz M et al. (2010), Delayed complex systems: an overview PREFACE PHILOS T R SOC A $nameOfConference
    • Stemler T, Werner JP, Benner H et al. (2010), Stochastic modelling of intermittency PHILOS T R SOC A $nameOfConference
    • Erzgraber H, Just W (2009), Global view on a nonlinear oscillator subject to time-delayed feedback control PHYSICA D $nameOfConference
    • Carvalho R, Buzna L, Bono F et al. (2009), Robustness of trans-European gas networks. Phys Rev E Stat Nonlin Soft Matter Phys $nameOfConference
    • Benner H, Choe CU, Höhne K et al. (2008), Observing Global Properties of Time Delayed Feedback Control in Electronic Circuits $journal $nameOfConference
    • Just W (2008), On Global Properties of Time-Delayed Feedback Control $journal $nameOfConference
    • Juengling T, Benner H, Stemler T et al. (2008), Noise-free stochastic resonance at an interior crisis PHYS REV E $nameOfConference
    • Riegert A, Just W, Baba N et al. (2007), Fast Hamiltonian chaos: Heat bath without thermodynamic limit PHYS REV E $nameOfConference
    • Just W, Fiedler B, Georgi M et al. (2007), Beyond the odd number limitation: A bifurcation analysis of time-delayed feedback control PHYS REV E $nameOfConference
    • Hohne K, Shirahama H, Choe CU et al. (2007), Global properties in an experimental realization of time-delayed feedback control with an unstable control loop PHYS REV LETT $nameOfConference
    • Stemler T, Werner JP, Benner H et al. (2007), Stochastic modeling of experimental chaotic time series PHYS REV LETT $nameOfConference
    • Amann A, Scholl E, Just W (2007), Some basic remarks on eigenmode expansions of time-delay dynamics PHYSICA A $nameOfConference
    • Just W (2006), Phase transitions in coupled map lattices and in associated probabilistic cellular automata PHYS REV E $nameOfConference
    • Baba N, Just W, Kantz H et al. (2006), Accuracy and efficiency of reduced stochastic models for chaotic Hamiltonian systems with time-scale separation PHYS REV E $nameOfConference
    • Radons G, Just W, Häussler P (2005), Preface $journal $nameOfConference
    • Schuster HG, Just W (2005), Deterministic Chaos: An Introduction: Fourth, Revised and Enlarged Edition $journal $nameOfConference
    • Hallerberg S, Just W, Radons G (2005), Analytic properties of the Ruelle zeta-function for mean field models of phase transition J PHYS A-MATH GEN $nameOfConference
    • Riegert A, Baba N, Gelfert K et al. (2005), Hamiltonian chaos acts like a finite energy reservoir: Accuracy of the Fokker-Planck approximation PHYS REV LETT $nameOfConference
    • JUST W, Häussler P, Radons G (2005), Collective dynamics of nonlinear and disordered systems $journal WE-HERAEUS-Summer School for Physics, August 26. - September 6. 2002, TU Chemnitz
    • JUST W, Schuster HG (2005), Deterministic Chaos $journal $nameOfConference
    • Just W, Schmuser F (2005), On phase transitions in coupled map lattices Dynamics of Coupled Map Lattices and of Related Spatially Extended Systems $nameOfConference
    • Just W (2005), On symbolic dynamics of space-time chaotic models $journal $nameOfConference
    • Just W, Benner H, von Loewenich C (2004), On global properties of time-delayed feedback control: weakly nonlinear analysis PHYSICA D-NONLINEAR PHENOMENA $nameOfConference
    • von Loewenich C, Benner H, Just W (2004), Experimental relevance of global properties of time-delayed feedback control PHYS REV LETT $nameOfConference
    • Schlesner J, Amann A, Janson N et al. (2004), Self-stabilization of chaotic domain oscillations in superlattices by time-delayed feedback control SEMICONDUCTOR SCIENCE AND TECHNOLOGY $nameOfConference
    • Fichtner A, Just W, Radons G (2004), Analytical investigation of modulated time-delayed feedback control J PHYS A-MATH GEN $nameOfConference
    • Kantz H, Just W, Baba N et al. (2004), Fast chaos versus white noise: entropy analysis and a Fokker-Planck model for the slow dynamics PHYSICA D-NONLINEAR PHENOMENA $nameOfConference
    • JUST W, Schöll E, Janson N et al. (2004), Self-stabilization of chaotic domain oscillations in superlattices by time-delayed feedback control. Semicond. Sci. and Tech. $nameOfConference
    • Schlesner J, Amann A, Janson NB et al. (2003), Self-stabilization of high-frequency oscillations in semiconductor superlattices by time-delay autosynchronization PHYS REV E $nameOfConference
    • Unkelbach J, Amann A, Just W et al. (2003), Time-delay autosynchronization of the spatiotemporal dynamics in resonant tunneling diodes PHYS REV E $nameOfConference
    • Just W, Gelfert K, Baba N et al. (2003), Elimination of fast chaotic degrees of freedom: On the accuracy of the born approximation J STAT PHYS $nameOfConference
    • Sauermann G, Just W (2003), Frequencies of Bogoliubov coupled oscillators with resonant three-particle interactions J PHYS A-MATH GEN $nameOfConference
    • Just W, Kantz H, Ragwitz M et al. (2003), Nonequilibrium physics meets time series analysis: Measuring probability currents from data EUROPHYS LETT $nameOfConference
    • Just W, Benner H, Reibold E (2003), Theoretical and experimental aspects of chaos control by time-delayed feedback CHAOS $nameOfConference
    • Just W, Popovich S, Amann A et al. (2003), Improvement of time-delayed feedback control by periodic modulation: Analytical theory of Floquet mode control scheme PHYS REV E $nameOfConference
    • Just W, Benner H, Scholl E (2003), Control of chaos by time-delayed feedback: A survey of theoretical and experimental aspects $journal $nameOfConference
    • Baba N, Amann A, Scholl E et al. (2002), Giant improvement of time-delayed feedback control by spatio-temporal filtering PHYS REV LETT $nameOfConference
    • Beck O, Amann A, Scholl E et al. (2002), Comparison of time-delayed feedback schemes for spatiotemporal control of chaos in a reaction-diffusion system with global coupling PHYS REV E $nameOfConference
    • Benner H, Just W (2002), Control of chaos by time-delayed feedback in high-power ferromagnetic resonance experiments JOURNAL OF THE KOREAN PHYSICAL SOCIETY $nameOfConference
    • Manffra EF, Just W, Kantz H (2002), Invariant densities of delayed maps in the limit of large time delay PHYS REV E $nameOfConference
    • Schmuser F, Just W (2001), Non-equilibrium behaviour in unidirectionally coupled map lattices J STAT PHYS $nameOfConference
    • Just W (2001), Equilibrium phase transitions in coupled map lattices: A pedestrian approach J STAT PHYS $nameOfConference
    • Just W, Bose M, Bose S et al. (2001), Spatiotemporal dynamics near a supercritical Turing-Hopf bifurcation in a two-dimensional reaction-diffusion system PHYS REV E $nameOfConference
    • Just W, Kantz H, Rodenbeck C et al. (2001), Stochastic modelling: replacing fast degrees of freedom by noise J PHYS A-MATH GEN $nameOfConference
    • Manffra EF, Kantz H, Just W (2001), Periodic orbits and topological entropy of delayed maps PHYS REV E $nameOfConference
    • Just W, Bose M, Bose S et al. (2001), Spatiotemporal dynamics near a supercritical Turing-Hopf bifurcation in a two-dimensional reaction-diffusion system Physical Review E - Statistical, Nonlinear, and Soft Matter Physics $nameOfConference
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