Talks

Mike R. Jeffrey – Professor in Engineering Mathematics

  1. Singularities in modern applied dynamics
    (2027) 19-23 July
    12th European Nonlinear Dynamics Conference (ENOC), Aberdeen, Scotland
  2. Recent thoughts on singularities and discontinuities — still a lot to learn!
    (2026) 8-9 June
    New Trends in Non-Smooth Systems (ECASisDin), IMECC-UniCamp Brazil
  3. Switching as a Logic Problem, and its Conserved Quantities
    (2025) 9 December
    Recent advances in non-smooth mechanics, Euromech Exeter UK
  4. The Unexpected Sensitivity of Nonsmooth Events
    (2025) 8 December
    Recent advances in non-smooth mechanics, Euromech Exeter UK
  5. Singularities and discontinuities in mathematical modelling
    (2025) 24 July
    KE-HUB Today’s Applied Maths is Tomorrow’s Pure Maths, Online
  6. Hidden dynamics: resolving singularities and raising new mysteries
    (2025) 29 April
    Institute of Mathematics & Statistice seminar, Federal University of Goiás, Brazil
  7. Catastrophe theory for modern mathematical modelling
    (2024) 25-29 November
    MAT80 – XIII Workshop on Dynamical Systems, celebrating the 80th birthday of Marco Antonio Teixeira, UniCamp, Brazil
  8. Underlying catastrophes and hidden uncertainties
    (2024) 15 April
    Nonsmooth Workshop, Manchester UK
  9. Hidden dynamics and the pilots’ dilemma
    (2024) 22 March
    SIAM UKIE Section Meeting, Manchester UK
  10. The ambiguity of nonsmooth models, and why it matters
    (2024) 17-18 February
    Frontiers in Mathematical Modeling: Celebrating Roderick Edwards’ Contributions, University of Victoria
  11. Singularities and bifurcations for modern applications
    (2023) 11-13 December
    Euromech Nonsmooth Dynamical Systems Colloquium at University College Dublin, Ireland
  12. A talk of two halves:
    I. Practical catastrophe theory for the modern age
    II. Hidden dynamics of maps and sleep cycles
    (2023) 7 February
    seminar at University of Surrey, UK
  13. Catastrophe conditions for vector fields in n dimensions
    (2022) 9 November
    XI Workshop on Dynamical Systems, Ribeirao Preto SP Brazil
  14. Do, don’ts, and don’t knows of nonsmooth dynamics
    (2022) 26 October
    Engineering Mathematics informal seminar, University of Bristol
  15. Hidden dynamics of maps (and when “period 1+2 implies chaos”)
    (2021) 6-9 December
    16th International Conference on Dynamical Systems Theory and Applications, Lodz (online)
  16. Hidden Dynamics (short intro)
    (2020) 28 October
    Engineering Mathematics seminar, (via Zoom) University of Bristol
  17. Hidden bifurcations and tipping points
    (2020) 14-24 July
    Dynamics and Climate Summer School, Cornell (cancelled due to pandemic)
  18. Analogies of the two-fold singularity in higher codimensions
    (2020) 29 May
    CADR Seminar, (via Zoom) University of Aberdeen
  19. Analogies of the two-fold singularity in higher codimensions
    (2019) 1-4 July
    10th Workshop in Dynamical Systems, Sao Carlos, Brazil
  20. Local dynamic indeterminacy
    (2019) 7-10 May
    4th RANM, Lodz, Poland
  21. Dynamics in the switching layer — mysteries and methods
    (2019) 24-26 April
    BAMC, University of Bath
  22. The unstable orbits hiding behind grazing-induced bifurcations
    (2019) 1-5 April
    9th CADR Alpine Symposium in Cogolo, Italy
  23. Pausing and tipping in nonsmooth models
    (2019) 19 February
    Sleepy Climate workshop, University of Bath
  24. Hidden indeterminacies of (classical) dynamics
    (2019) 5 February
    LAND seminar, University of Leeds
  25. Hidden dynamics
    (2018) 3-7 September
    Numdiff 15, Martin Luther University Halle-Wittenberg
  26. Illusions of Noise in Nonsmooth Systems
    (2018) 2-6 September
    Nolta, Tarragona
  27. Hidden nonlinearities of switching
    (2018) 27-31 August
    5th CRITICS Workshop, Cork
  28. The hidden causes of volatile behaviour around nonsmooth events
    (2018) 26 May
    CADR Seminar, University of Aberdeen
  29. Nonlinear switching
    (2018) 1-6 April
    9th CADR Alpine Symposium in Cogolo, Italy
  30. The hidden frailty of local determinism
    (2018) 11–12 January
    How stable are democracies? Complex systems perspectives on modern society, University of Bristol
  31. Switching layers and hidden dynamics
    (2017) 24-28 July
    Equadiff in Bratislava, Slovakia
  32. Nonsmooth models
    (2017) 29-30 June
    Workshop on Pacing and synchronisation of palaeoclimate variability in Dartington, England
  33. Illusions of Noise
    (2017) 2-9 April
    8th CADR Alpine Symposium in Cogolo, Italy
  34. The illusion of noise in nonsmooth systems
    (2016) 23-25 May
    International Conference on Structural Nonlinear Dynamics and Diagnosis in Marrakech, Morocco
  35. Ghosts of departed quantities in piecewise smooth dynamics
    (2015) 17 November
    seminar at the University of Manchester, UK
  36. A nonsmooth seance: reviving the ghosts of switching
    (2015) 9 October
    seminar at the University of Bristol, UK
  37. Hidden dynamics of switching
    (2015) 7-10 September
    International Conference on Engineering Vibration Applications of Dynamical Systems in Ljubljana, Slovenia
  38. Lost in transition: nonlinearities in the dynamics of switching
    (2015) 17-21 May
    SIAM conference on Applications of Dynamical Systems in Snowbird, USA
  39. Not-so-deterministic (but still classical non-stochastic) mechanics
    (2015) 4-11 April
    The Apline Symposium in Cevedale, Cogolo di Pejo
  40. Filippov Unplugged: The Great Beyond
    (2015) 30 March-2 April
    The Joint BAMC/BMC Cambridge, UK
  41. Goodbye nonlinear dynamics, nonsmooth dynamics is just getting started
    (2015) 12-16 January
    Universita degli Studi di Bari
  42. Nonlinear switching
    (2014) 7-8 November
    Barcelona Mathematics Days 2014
  43. Loosening Filippov’s assumptions: why you’d want to, and what happens when you do
    (2014) 10-12 September
    Meeting on analysis and applications of nonsmooth systems in Como, Italy
  44. Dummy Dynamics
    (2014) 10-13 June
    8th workshop on Structural Dynamical Systems: Computational Aspects in Giardino, Monopoli, Italy
  45. Perturbing Nonsmooth Systems
    (2014) 26-29 May
    MAT70: Conference on Dynamical Systems celebrating the 70th Birthday of Marco Antonio Teixeira, UniCamp, Brazil
  46. Nonlinear switching: overshoot, hysteresis, & noise in a discontinuous model
    (2014) 5-12 April
    The Apline Symposium in Cevedale, Cogolo di Pejo
  47. Nonsmooth dynamics: why we’ve barely gotten started
    (2014) 24 March
    Webinar to the Math Climate Research Network (MCRN)
  48. New horizons in piecewise-smooth dynamics
    (2014) 10-14 March
    RIMS Workshop: New Directions in Applied Dynamical Systems at Kyoto University, Japan
  49. Nonsmooth dynamics: the first 500 years
    (2014) 10-14 March
    RIMS Workshop: New Directions in Applied Dynamical Systems at Kyoto University, Japan
  50. Hiding in the gaps: have we been looking at nonsmooth dynamics the wrong way?
    (2013) 20 November
    Applied Maths seminar at UPC, Barcelona, Spain
  51. The Ditherer and The Dummy: two taboos of nonsmooth dynamics, unlocked
    (2013) 17 October
    Fluids and Materials group seminar at the University of Bristol, England
  52. Inspired by ratchets and rainbows
    (2013) 3 October
    Modelling of Socio-Technical Engineering Problems workshop, Systems Centre in Bristol, England
  53. The problem of non-uniqueness and how to use it
    (2013) 11-13 September
    SICC 8th International Tutorial Workshop at Urbino, Italy
  54. Singularities that induce a breakdown of determinacy in mechanics
    (2013) 2-4 September
    SEMC 2013, 5th international conference on Structural Engineering, Mechanics, and Computation, Cape Town, South Africa
  55. Probing the realism of nonsmooth dynamics
    (2013) 21-23 August
    University of Aberdeen, Conference on Nonlinear Dynamics in Engineering: Modelling, Analysis and Applications
  56. The uncertainties of nonsmooth dynamics
    (2013) 19-23 May
    SIAM Snowbird, Utah
  57. Nonsmooth dynamics: the multiple-switching problem
    (2013) 9-12 April
    BAMC Leeds
  58. Nonlinear mathematics at Bristol
    (2013) 8 April
    Bristol-UniCamp symposium
  59. The rough with the smooth: zooming in on the dynamics of switching
    (2013) 21 March
    ACM Seminar, University of Edinburgh
  60. Cracks in the theory of deterministic dynamics
    (2013) 30 January
    Applied Maths Seminar, University of Loughborough
  61. The edge of determinism?
    (2013) 11 January
    ANM Group internal workshop, University of Bristol
  62. Nonsmooth dynamics at Bristol
    (2013) 10 January
    ANM Group, Bristol-Kyoto Sympoisium at the University of Bristol
  63. A doorway to explosions, bifurcations, and uncertainty in higher dimensions — unfolding the singularities of nonsmooth dynamics
    (2012) 24-26 October
    Ddays, 6th meeting of the Spanish DANCE network, Benicassim, Spain
  64. A modern guide to the mysteries of nonsmooth dynamics
    (2012) 18 October
    seminar at Universitat Politecnica de Catalunya, Barcelona, Spain
  65. The view from infinity (a far out view of discontinuities)
    (2012) 12 October
    seminar at University of Bristol, UK
  66. Beyond Poincare: A nondeterministic kind of chaos
    (2012) 3-7 September
    100 Years After Poincare Conference on Dynamical Systems at Gijon, Spain
  67. An update on the Teixeira singularity
    (2012) 21 June
    informal seminar at IMECC, UniCamp, Campinas, Brazil
  68. Hunting ducks in two-fold singularities
    (2012) 20 June
    seminar at UNESP, Sao Jose do Rio Preto, Brazil
  69. A qualitative consideration of nonsmooth dynamics
    (2012) 13 June
    Encontro de Topologia e Singularidades, Por ocasião do 80º aniversário do Professor Gilberto Loibel, Sao Carlos, Brazil
  70. Singularities and bifurcations of nonsmooth dynamics
    (2012) 31 May
    SOTO70 IV Workshop on Dynamical Systems, USP, Sao Paulo, Brazil
  71. Dynamics of nonsmooth systems: bifurcations, singularities, and explosions
    (2012) 15 February
    seminar at Universitat Politecnica de Catalunya, Barcelona, Spain
  72. A problem of stability and determinacy for switched feedback control
    (2012) 11 January
    BELS (Bath-Exeter-London-Southampton) Control Meeting, Bath, England
  73. From discontinuity to non-determinism in dynamical systems
    (2011) 10 January
    seminar at Queen Mary, University of London, England
  74. Ducks under the microscope — when multiple scales create multiple outcomes
    (2011) 30 November
    seminar at Technical University of Vienna, Austria
  75. Cascades and explosions in dynamics, from physics to biology
    (2011) 1 November
    CICADA seminar at University of Manchester, England
  76. The Teixeira Singularity in sliding vector fields
    (2011) 22 September
    Topics in Nonlinear Dynamics SICC 6th International Tutorial Workshop at Urbino, Italy
  77. Non-determinism in the limit of nonsmooth dynamics
    (2011) 15 September
    XXXI Dynamics Days Europe Oldenburg, Germany
  78. Sliding bifurcations and non-determinism in systems with switching
    (2011) 2 September
    18th IFAC World Congress Milan, Italy
  79. A little uncertainty goes a long way: cascades and explosions caused by discontinuity
    (2011) 10 June
    seminar at BCANM, University of Bristol
  80. Cascades and Explosions from physics to biology: uncertainty in dynamical systems
    (2011) 16 May
    seminar at MechSE, University of Illinois (UIUC)
  81. Cascading discontinuity-induced bifurcations in cell cycles (and in general)
    (2011) 26 February
    Illinois/Purdue Dynamics Research Meeting, Champaign, Illinois, USA
  82. Non-determinism and catastrophe in piecewise-smooth flows
    (2010) 19 October
    Workshop on Discontinuity Induced Phenomena, Imperial College, London, England
  83. The two-fold path to non-determinism and catastrophe
    (2010) 6 October
    seminar at the University of Nottingham, England
  84. Canard a l’orange: a new recipe for multiple timescale phenomena
    (2010) 6 September
    XXX Dynamics Days Europe, conference at Bristol, England
  85. So what if it’s nonsmooth? (on non-deterministic chaos and catastrophic sliding)
    (2010) 28 July
    IUTAM Symposium on Nonlinear Dynamics, Aberdeen, Scotland
  86. Hunting ducks and nondeterminism in nonsmooth dynamics
    (2010) 31 May
    SIAM Emerging Topics in Dynamical Systems and Partial Diff. Eq’s, Barcelona, Spain
  87. Hunting ducks and nondeterminism in nonsmooth dynamics
    (2010) 18 May
    CNM seminar at University of Bath, England
  88. Sliding to catastrophe: nonsmooth dynamics and the road to nondeterminism
    (2010) 12 May
    seminar at Portsmouth University, England
  89. Hunting ducks and nondeterminism in nonsmooth dynamics
    (2010) 12 February
    The Maseeh Colloquium at Portland State University, OR, USA
  90. From complex to beautiful(ly simple) — on the asymptotics of flocking
    (2010) 12 February
    informal seminar at Portland State University, OR, USA
  91. The geometry of discontinuity
    (2009) 6 May
    seminar at Michigan State University, MI, USA
  92. On catastrophic sliding bifurcations
    (2009) 20 November
    seminar at the University of Aberdeen, Scotland
  93. Grazing the discontinuity (the quiet catastrophes of nonsmooth systems)
    (2009) 24 August
    at conference on Recent Advances in Nonlinear Mechanics, Kuala Lumpur, Malaysia
  94. Two-folds in nonsmooth dynamical systems
    (2009) 30 June
    at International workshop on Res. Osc. & Stability of Nonsmooth Systems, Imperial College London, England
  95. Troublesome tangencies
    (2009) 23 June
    at International workshop on Res. Osc. & Stability of Nonsmooth Systems, Imperial College London, England
  96. Two-folds in nonsmooth dynamical systems
    (2009) 17 June
    2nd IFAC conf. on Analysis and Control of Chaotic Systems at Queen Mary’s College London, England
  97. The Teixeira singularity: a crossing point into (the strange world of) nonsmooth dynamics
    (2009) 23 January
    seminar at Cornell University, NY, USA
  98. Catastrophes and Grazings
    (2008) 16 January
    Open Scientific Discussion BCANM seminar, University of Bristol, England
  99. Conical diffraction: the complexification of a 170 year old phenomenon
    (2006) 10 November
    Mathematical Physics seminar at University of Bristol, England
  100. Beautifully simple: Dirac’s 1931 prediction of monopoles
    (2004) 22 November
    Theoretical Physics Journal Club, University of Bristol, England