presentations

2017

• Ergodicity and Accuracy for Optimal Particle Filters.
  UChicago, Chicago, 🇺🇸 , January. Slides.
  
  

• Ergodicity and Accuracy for Optimal Particle Filters.
  UoT, Toronto, 🇨🇦 , January. Slides.
  
  

2016

• Ergodicity and Accuracy for Optimal Particle Filters.
  McGill, Montreal, 🇨🇦 , December. Slides.
  
  

• Ergodicity and Accuracy for Optimal Particle Filters.
  Math Colloquium, CMU, 🇺🇸 , December. Slides.
  
  

• Ergodicity and Accuracy for Optimal Particle Filters.
  Mathsfest 2016, Canberra, 🇦🇺 , November. Slides.
  
  

• Ergodicity in data assimilation methods.
  Probability seminar, U Delaware, 🇺🇸 , July. Slides.
  
  

• Predicting chaotic systems with sparse data: lessons from numerical weather prediction.
  DataEngConf 2016, New Lab Brooklyn, 🇺🇸 , November. Keynote (~120mb) , pdf (~1mb, but no movies).
  
  

• Fluctuations in the heterogeneous multiscale method.
  SIAM: Mathematics of Planet Earth, Philadelphia, 🇺🇸 , October. Slides.
  
  

• Mini-course on data assimilation.
  EVEQ2016, Prague, 🇨🇿 , July. Lectures 1, 2, 3.
  
  
• Fluctuations in the heterogeneous multiscale method.
  AIMS 2016, Orlando, 🇺🇸 , July. Slides.
  
  
• Ergodicity in data assimilation methods.
  AIMS 2016, Orlando, 🇺🇸 , July. Slides.
  
  
• Fast-slow systems with chaotic noise.
  ESI Vienna, 🇦🇹 , May. Slides.
  
  
• Minicourse: Fast-slow systems and rough path theory.
  ESI Vienna, 🇦🇹 , May. Notes to appear soon!.
  
  
• Ergodicity in Data assimilation.
  ETH Zurich, 🇨🇭 , April. Slides.
  
  
• Ergodicity in Data assimilation.
  Statistics and applied math seminar, U Chicago, 🇺🇸 , April. Slides.
  
  
• Ergodicity in Data assimilation.
  Applied math seminar, Berkeley-LBNL, 🇺🇸 , March. Slides.
  
  
• Fast-slow systems with chaotic noise.
  Probability seminar, CUNY, 🇺🇸 , March. Slides.
  
  
• Data assimilation in high dimensions.
  Graduate student seminar, CIMS, NYU, 🇺🇸 , February. Slides.
  
  
• Data assimilation in high dimensions.
  DPMMS, Cambridge, 🇬🇧 , January. Slides.
  
  

2015

• Data assimilation for high dimensional nonlinear forecast problems.
  New challenges in PDE workshop, MSRI, Berkeley, Oct. Slides.
  
  
• Fast-slow systems with chaotic noise.
  Applied analysis and computation seminar, UMass, Amherst, September. Slides.
  
  
• A mini-course on rough path theory (6 lectures).
  SIMPA workshop. USP - Sao Carlos, Brazil, August.
  
  
• Stability of the ensemble Kalman filter.
  Equadiff 2015, Lyon, France, July. Slides.
  
  
• Fast-slow systems with chaotic noise.
  Homogenization workshop, Luminy, France, May. Slides.
  
  
• Fast-slow systems with chaotic noise.
  Math finance, PDE, stochastics seminar, Rutgers, April. Slides.
  
  
• Fast-slow systems with chaotic noise.
  Colloquium, Penn state, March. Slides.
  
  
• Fast-slow systems with chaotic noise.
  BU/Brown seminar, Brown, March. Slides.
  
  
• What do we know about EnKF?
  CAOS colloquium, Courant, March. Slides.
  
  
• Fast-slow systems with chaotic noise.
  Probability seminar, Columbia, February. Slides.
  
  

2014

• EnKF and filter divergence.
  Math seminar, NIST, December. Slides.
  
  
• Fast-slow systems with chaotic noise.
  Math colloquium, U of Minn, November. Slides.
  
  
• Fast-slow systems with chaotic noise.
  Applied math seminar, CIMS, NYU, October. Slides.
  
  
• Fast-slow systems with chaotic noise.
  Applied math and PDE seminar, Drexel, October. Slides.
  
  
• Fast-slow systems with chaotic noise.
  Courant instructor day, CIMS, NYU, October. Slides.
  
  
• Stochastic PDEs summer graduate school (TA sessions).
  MSRI, Berkeley, July. Video.
  
  
• EnKF and catastrophic filter divergence.
  SIAM UQ 2014, Hyatt Regency, Savannah, May. Slides.
  
  
• EnKF and catastrophic filter divergence.
  Model-Data workshop, Newton Institute, Cambridge, March. Slides.
  
  
• Fast-slow systems with chaotic noise.
  Probability seminar, Université Paris Dauphine, Paris, March. Slides.
  
  
• Fast-slow systems with chaotic noise.
  Probability seminar, Warwick University, March. Slides.
  
  
• Fast-slow systems with chaotic noise.
  Rough paths 2014, IPAM, UCLA, January. Slides.
  
  
• EnKF and catastrophic filter divergence.
  MURI workshop, Courant Institute, NYU, January. Slides.
  
  

2013

• Stochastic climate modelling (2 Lectures).
  Mathematics of climate (graduate lecture course) , UNC Chapel Hill, December. lecture 1, lecture 2.
  
  
• EnKF and catastrophic filter divergence.
  Predictability in Earth Systems Processes, Universita of Minnesota, November. Slides.
  
  
• EnKF and catastrophic filter divergence.
  Data assimilation day, UNC Chapel Hill, November. Slides.
  
  
• Homogenization for multidimensional fast-slow systems.
  Duke-UNC probability seminar, UNC Chapel Hill, October. Slides.
  
  
• Homogenization for multidimensional fast-slow systems.
  XVIIth Brazilian school of Probability, Rio de Janeiro, September. Slides.
  
  
• Tutorial's for regularity structures.
  XVIIth Brazilian school of Probability, Rio de Janeiro, September.
  
  
• An algebraic framework for Ito's formula.
  Algebra and combinatorics seminar, ICMAT Madrid, April. Slides.
  
  
• EnKF and catastrophic filter divergence
  Data assimilation workshop, University of Maryland, June. Slides.
  
  
• An algebraic framework for Ito's formula.
  Algebra and combinatorics seminar, ICMAT Madrid, April. Slides.
  
  
• Ito’s formula via rough paths.
  Oxford stochastic analysis seminar, Oxford, April. Slides.
  
  
• Short course on Data Assimilation.
  TIFR, Bangalore India, March.
  
  
• Homogenisation for multidimensional maps.
  Dynamical systems seminar, University of Sydney, January.

2012

• Geometric vs non-geometric rough paths (v2).
  SSSC 2012, ICMAT Madrid, November. Slides.
  
  
• Geometric vs non-geometric rough paths (v1).
  Data Assimilation 2012, University of Oxford, September. Slides.
  
  
• Simplifying non-geometric rough paths.
  East midlands stochastic analysis seminar, University of York, July. Slides.
   

2011

• Finding limits for multiscale SPDEs.
  Multiscale systems, University of Warwick, December. Slides.