Ms Caroline Wormell
School of Mathematics and Statistics F07
University of Sydney NSW 2006
|Office:||Room 807 Carslaw Building|
Quantitative study of statistical properties of one-dimensional chaotic systems
Backward stochastic differential equations
Wormell, C.L. and Gottwald, G.A., On the validity of linear response theory in high-dimensional deterministic dynamical systems. Journal of Statistical Physics 172 (2018) 1479-1498. Preprint, DOI
Gottwald, G.A., Wormell and Wouters, J., On spurious detection of linear response and misuse of the fluctuation-dissipation theorem in finite time series. Physica D 331 (2016) 89-101. Preprint, DOI
Forthcoming: Response theory and its applications in geophysical fluid dynamics, Institut Henri Poincaré, Sep 2019.
Spectral Galerkin transfer operator methods in uniformly-expanding dynamics. Invited talk at Thermodynamic Formalism: Ergodic Theory and Validated Numerics (2019). Slides
Mesh-free solving of nonlinear PDEs via forward-backward SDEs. Talk at ANZIAM (2019).
Validity of linear response theory in high-dimensional deterministic dynamical systems. Talk at University of Potsdam (2018). Slides
Chebyshev Galerkin methods for transfer operators in uniformly-expanding dynamics. Talk at Centro di Giorgi (2018).
Rigorous and accurate numerical computation for intermittent maps. Talk at Dynamics Days Europe (2018).
Tight coupling bounds on decay of correlations in Markovian uniformly expanding dynamics. Talk at Sydney Dynamics Group (2018).
Linear response in weakly-coupled systems. Talk at ANZIAM (2018). Slides
Spectral Galerkin methods for transfer operators. Talk at AustMS (2017). Slides
On spurious detection of linear response in chaotic systems with finite time series. Talk at Emerging Aspirations in Complex Systems Mini-Workshop (2017). Slides
Spectral methods for intermittent maps using Abel functions. Poster at Foundations of Computational Mathematics conference (2017).
Fast approximation techniques for intermittent maps. Poster at Advances in Ergodic Theory, Hyperbolic Dynamics and Statistical Laws (2017). Prize for best poster.
Fast numerical approximation of intermittent maps. Talk at ANZIAM (2017).
Approximating 1D chaotic dynamics in a Fourier basis. Poster at Mixing Flows and Averaging Methods workshop, ESI Vienna (2016).
Numerical computing with functions in Julia. Talk for Julia Sydney Meetup group (2017). Slides (Jupyter notebook format)
A user's guide to chaotic systems. Talk for USyd Mathematics Postgraduate Seminar Series (2017).
Constituent structure in Palauan. Presentation at the Australian Linguistics Society Conference, Melbourne (2016).
The mathematics of biological pattern formation, or How the Leopard Got Its Spots. Talk for Sydney University Mathematics Society (2016).
Minding your p's and q's: adventures in statistical inference. Talk for Sydney University Mathematics Society (2014).