talks

conferences, workshops, and seminars

slides for many of the talks: slides.com/kmodin

2025

    2024

      2023

        2022

        1. K. Modin
          Lie-Poisson integrators
          HB60 workshop, Trysil, Norway, December 12-17, 2022
          HTML Slides
        2. K. Modin
          Link between integrability of point-vortex dynamics and long-time behaviour of 2D Euler equations
          Mathematics Colloquium of Tulane University, December 2, 2022
          Slides
        3. K. Modin
          Numerical integration of classical spin systems
          UppASD Autumn School, Stockholm, October 11-13, 2022
          HTML Slides
        4. K. Modin
          To Craft Knowledge
          Bildung: The Humanities, Arts, and Sciences (LINA Days), Trollhättan, October 3-7, 2022
          HTML
        5. K. Modin
          Geometry and structure-preserving discretization of 2D Euler equations
          Workshop in Geometry and Geometric integration (Geo2Int), Bergen, September 7-9, 2022
          HTML Slides
        6. K. Modin
          Optimal transport and quantization
          Optimal transport, geometric and stochastic hydrodynamics, Lisbon, June 21-24, 2022
          HTML
        7. K. Modin
          Zeitlin’s model – old and new
          Simons Center for Geometry and Physics (SCGP), June 13, 2022
          Video
        8. K. Modin
          Mini-course: Lectures on geometric hydrodynamics
          Winter School and Workshop Wisla (online), January 24-30, 2022
          HTML

        2021

        1. K. Modin
          Zeitlin’s model for ideal hydrodynamics on the sphere
          CUNY Einstein Chair Mathematics Seminar, December 1, 2021
          Video Slides
        2. K. Modin
          Quantized hydrodynamics on the sphere
          Online-presentation given 2021-10 in the Hamiltonian Seminar Series (online), University of Toronto and University of Arizona, October 19, 2021
          Slides
        3. K. Modin
          Zeitlin’s model for ideal hydrodynamics on the sphere
          Conference on the Numerical Solution of Differential and Differential-Algebraic Equations (NUMDIFF-16), Martin Luther University, Halle, September 6-10, 2021
          HTML Slides
        4. B. Khesin, G. Misiolek, and K. Modin
          Geometric Hydrodynamics and Infinite-dimensional Newton’s Equations
          5th Conference on Geometric Science of Information (GSI’21), Sorbonne University, Paris, July 21-23, 2021
          Video Slides
        5. K. Modin
          Mini-course: Introduction to geometric hydrodynamics, Part II
          Young Researchers between Geometry and Stochastic Analysis (online), June 16-18, 2021
          HTML Video
        6. K. Modin
          Mini-course: Introduction to geometric hydrodynamics, Part I
          Young Researchers between Geometry and Stochastic Analysis (online), June 16-18, 2021
          HTML Video Slides
        7. K. Modin
          Hydrodynamics on the Sphere: Numerical Methods based on Quantization
          SIAM Conference on Applications of Dynamical Systems (DS21), May 23-27, 2021
          HTML Slides
        8. K. Modin
          What makes nonholonomic integrators work?
          Geometry, Dynamics, and Mechanics Seminar (online), May 25, 2021
          HTML Video Slides
        9. K. Modin
          Two-dimensional incompressible inviscid hydrodynamics: old questions and new insights
          Mathematics Colloquium of Florida State University, February 12, 2021
          HTML Slides

        2020

        1. K. Modin
          Toeplitz-Berezin quantization and Lie-Poisson integrators for quasi-geostrophic equations
          FoCM Workshop on Geometric Integration and Computational Mechanics (online-only), June 15-18, 2020
          Slides
        2. K. Modin
          Isospectral flows and a Casimir preserving scheme for long-time simulation of 2D hydrodynamics
          Structure-Preserving Geometric Discretization of Physical Systems, Princeton Center for Theoretical Science (PCTS), USA, February 17-18, 2020
          Slides

        2019

        1. K. Modin
          Long time behaviour of 2D spherical ideal hydrodynamics
          HIM, Bonn, Germany, November 13, 2019
          Video Slides
        2. K. Modin
          Information geometry and diffeomorphisms
          Information Geometry Workshop, IMT Toulouse, October 18, 2019
          HTML Slides
        3. K. Modin and M. Viviani
          Hamiltonian isospectral flows and geophysical hydrodynamics
          Seminar at Lund University, Sweden, April 25, 2019
          Slides

        2018

        1. M. Bauer and K. Modin
          Semi-invariant Riemannian metrics on diffeomorphisms
          BIRS, Banff, Canada, December 10, 2018
          Video Slides

        2017

        1. K. Modin
          Symplectic integrators for classical spin systems
          Physics seminar in Uppsala, December 8, 2017
          Slides
        2. K. Modin
          Riemannian Gradient Flows in Shape Analysis
          Isaac Newton Institute (INI), Cambridge, UK, Nov 13, 2017
          Video Slides
        3. B. Khesin, G. Misiolek, and K. Modin
          Newton’s Equations on Diffeomorphisms and Densities
          3rd Conference on Geometric Science of Information (GSI2017), Paris, France, Nov 7-9, 2017
          Video Slides
        4. M. Bauer, S. Joshi, and K. Modin
          Diffeomorphic Random Sampling Using Optimal Information Transport
          3rd Conference on Geometric Science of Information (GSI2017), Paris, France, Nov 7-9, 2017
          Video Slides
        5. K. Modin, R. McLachlan, and O. Verdier
          The Spherical Midpoint Method
          Foundations of Computational Mathematics, Barcelona, Spain, July 10-19, 2017
          Slides
        6. M. Bauer, S. Joshi, and K. Modin
          Global results for geodesic equations on densities
          CRiSP workshop, Trondheim, July 2, 2017
          Slides
        7. K. Modin
          Computational anatomy and PDE
          Guest seminar in the Nordic Graduate Course on Computational Mathematical Modeling, April 26, 2017
          Slides
        8. K. Modin
          Diffeomorphisms and imaging
          Manifolds and Geometric Integration Colloquia (MaGIC), Vatnahalsen, Norway, March 1-5, 2017
          Slides
        9. K. Modin
          Silly method for QR factorization
          CAM seminar, February 22, 2017
          HTML Slides

        2016

        1. K. Modin
          The polar decomposition as the limit of a lifted entropy gradient flow
          CAVALIERI Workshop on Optimal Transport and Optimization in Imaging, Inria Research Center, Paris, October 11-12, 2016
          Slides
        2. K. Modin
          Deformation gradient flows
          Math in the Mine - Shape Analysis Meeting in Tende, France, June 26-July 2, 2016
        3. K. Modin
          Diffeomorphic density transport - a numerical challenge
          MFO Workshop on Geometric Numerical Integration, Oberwolfach, Germany, March 20-26, 2016

        2015

        1. K. Modin
          Matrix decompositions and associated Riemannian gradient flows
          Math on the Rocks - Shape Analysis Meeting in Grundsund, Sweden, July 2015
        2. K. Modin, M. Bauer, and S. Joshi
          Diffeomorphic density matching using Fisher-Rao geodesics
          ESI workshop: Infinite-dimensional Riemannian Geometry, Vienna, Austria, January 12-16, 2015

        2014

        1. K. Modin, R. McLachlan, and O. Verdier
          Spherical midpoint method
          Foundations of Computational Mathematics FoCM’14, Montevideo, Uruguay, December 11-20, 2014
        2. K. Modin
          Optimal information transport
          AIMS conference 2014, workshop on Geometric Mechanics, Madrid, Spain, July 7-11, 2014
        3. K. Modin, R. McLachlan, and O. Verdier
          Spherical midpoint method
          MaGIC 2014, Meråker, Norway, February 24-27, 2014

        2013

        1. K. Modin, R. McLachlan, and O. Verdier
          Collective integrators for point vortex dynamics on the sphere
          SciCADE 2013, Valladolid, Spain, September 16-20, 2013
        2. K. Modin and O. Verdier
          Structure preserving methods for non-holonomic systems: examples and counter-examples
          ANODE 2013 in celebration of the 80th birthday of John Butcher, Auckland, New Zealand, January 7-11, 2013

        2011

        1. K. Modin, S. Marsland, R. McLachlan, and M. Perlmutter
          On a Geodesic Equation for Planar Conformal Template Matching
          MICCAI workshop on Mathematical Foundations of Computational Anatomy (MFCA’11), September 22, 2011
        2. K. Modin and G. Söderlind
          Geometric integration of Hamiltonian systems perturbed by Rayleigh damping
          Foundations of Computational Mathematics FoCM’11, Budapest, Hungary, July 4-14, 2011

        2009

        1. K. Modin and G. Söderlind
          Geometric Integration of Hamiltonian Systems Perturbed by Rayleigh Damping
          New Zealand Mathematics Colloquium 2009, Massey University - Albany, Auckland, New Zealand, December 8-10, 2009

        2008

        1. K. Modin and G. Söderlind
          Nambu Mechanics and its Connection to Adaptive Numerical Integration
          CoPS/Nordita Seminar, Stockholm, Sweden, December 2, 2008
        2. K. Modin
          Nambu Mechanics and Time-transformation with Application to Adaptive Numerical Integration
          Nordic Öresund Workshop, Lund, Sweden, November 17-18, 2008

        2006

        1. K. Modin, C. Führer, and G. Söderlind
          Adaptivity in mechanical integrators
          11th Seminar “NUMDIFF” on Numerical Solution of Differential and Differential-Algebraic equations, Halle, Germany, September 4-8, 2006
        2. K. Modin and C. Führer
          Time-step adaptivity in variational integrators
          China-Norway-Sweden Workshop on Computational Mathematics, Lund, Sweden, June 5-7, 2006