Seminars
2023

Dispersion of active particles of
arbitrary shape. Seminar at the Mechanics of Life 2
Workshop, Flatiron Institute, New York, NY, 19 December 2023.

Stirring by
microswimmers and their interaction with boundaries. Fluids
Seminar, Department of Mathematics, University of British Columbia,
19 October 2023.

Braids and dynamics.
Conference
on Applied Geometry and Topology, University of Pennsylvania,
Philadelphia, PA, 29 September 2023.

Dynamics of misshapen
particles. Talk at the Workshop on Transport and Scale
Interactions in Geophysical Flows, Oberwolfach, Germany, 20
July 2023.

Active particles in confined
environments. Talk at the SIAM Conference on Applications
of Dynamical Systems, Portland, OR, 17 May 2023.

Nonuniform mixing. Closing
Meeting of the Priority Program on Turbulent Superstructures,
Seeheim, Germany, 2 May 2023.

The mathematics of burger
flipping. Center for Nonlinear Dynamics Seminar,
Department of Physics,
University of Texas at Austin, Austin, TX, 27 March 2023.

Shake your hips: an active particle
with a fluctuating propulsion force. Math Bio Seminar,
Department of Mathematical, University of Pennsylvania, 14 March 2023.

The mathematics of taffy
pulling. Mathematics Colloquium, Tulane University, 9
February 2023.

The mathematics of burger
flipping. Applied Maths Seminar,
Department of Mathematics,
University College London, 17 January 2023.
2022

Passive and active particles in a
lattice of obstacles. Talk at the Division of Fluid Dynamics
Meeting of the American Physical Society, Indianapolis, AZ, 20
November 2022.

The mathematics of burger
flipping. Physical Math Seminar,
Massachusetts Institute of Technilogy, Cambridge, MA, 18 October 2022.

Shake your hips: an active particle
with a fluctuating propulsion force. Mathematics Colloquium,
Department of Mathematical Sciences, New Jersey Institute of
Technology, 23 September 2022.

The Burau representation of the braid
group and its application to dynamics. Talk at
the Workshop
on Topological Methods in Mathematical Physics, Erice,
Italy, 6 September 2022.

Braids and dynamics: Frontiers in
theory and modelling with scarce data. Talk at the Gordon
Research Conference on Fluids in Disease Transmission and
Contamination, Mount Holyoke College, MA, 16 August 2022.

The mathematics of burger
flipping. Talk at the Charlie Doering Symposium,
University of Michigan, Ann Arbor, MI, 26 May 2022.
[video]

Passive and active particles in a
lattice of obstacles. Seminar at the Mechanics of Life
Workshop, Flatiron Institute, New York, NY, 25 May 2022.

Shake your hips: an
active particle with a fluctuating propulsion force. Fluid
dynamics seminar, Department of Mathematics, Imperial College
London, 20 May 2022.

Shake your hips: an
active particle with a fluctuating propulsion force. LadHyX
seminar, Ecole Polytechnique, Paris, 12 May 2022.

Nonuniform mixing. Fluid
Mechanics Seminar, DAMTP, Cambridge, UK, 1 February 2022.
2021

Nonuniform mixing. Talk at
the Division of Fluid Dynamics Meeting of the American Physical Society,
Phoenix, AZ, 22 November 2021.

The mathematics of burger
flipping. Applied Mathematics Seminar, Brigham Young University, 21
October 2021.

The mathematics of taffy
pulling. Mathematics Colloquium, Brigham Young University, 20
October 2021.

Shake your hips: an
active particle with a fluctuating propulsion force. Math Bio
Seminar, Brandeis University, online, 29
September 2021.

A Brownian rod in a lattice of obstacles.
Analysis and Applied Mathematics Seminar, University of Illinois Chicago,
20 September 2021.

Lost in configuration space.
Seminar at the workshop on Active matter, Telluride Science
Research Center, Telluride, CO, 20 July 2021.

Mixing sucks: How to mix with
compressibility and suction. Seminar at the workshop
on Transport and mixing of tracers in geophysics and
astrophysics, Aspen Center for Physics, Aspen, CO, 6 June 2021.

Dispersion and transport of
microswimmers interacting with boundaries. Seminar at
the Chaos and Complexity Conference, online, 26
May 2021.

The mathematics of taffy
pulling. Mathematics Colloquium, US Naval Academy, online, 14
April 2021.

Shake your hips: an
active particle with a fluctuating propulsion force.
Applied Math Seminar, University of California, Merced, online, 2
April 2021.

Shape matters: A Brownian
microswimmer interacting with walls. Mathematics
Colloquium, University of Arizona, online, 18 March 2021.

Making taffy with the
Golden mean. "Pi Day" Lecture, Duke Kunshan University, online,
14 March 2021.

Shake your hips: an
active particle with a fluctuating propulsion force. Applied
Mathematics Seminar, Courant Institute of Mathematics Sciences, NYU,
New York, online, 5 March 2021.
[video]

On mixnorms and the rate of decay of
correlations. Talk at the Workshop on Transport and Mixing in
Complex and Turbulent Flows, Institute for Pure and Applied
Mathematics, online, 14 January 2021.
2020

Stirring by
microswimmers and their interaction with boundaries. Talk at
the Division of Fluid Dynamics Meeting of the American Physical Society,
online, 23 November 2020.
[video]

Stirring by
microswimmers and their interaction with boundaries. Seminar in
Applied Mathematical Modeling, University of California, Santa Cruz,
online, 9 November 2020.

Shape matters: A
Brownian microswimmer interacting with walls. Applied and
Interdisciplinary Maths Seminar, University of Bath, online, 20
October 2020.

The topology of
taffy pullers. Applied Maths
Seminar, Durham University, online, 7 October 2020.

Shape matters: A
Brownian microswimmer interacting with walls. Applied Maths
Seminar, University of Birmingham, online, 28 September 2020.

Shape matters: A
Brownian microswimmer interacting with walls. Talk at the SIAM
Mathematics of Planet Earth Meeting, online, 11 August 2020.

Modelling microswimmers and active particles.
Talk in Phil Morrison's group meeting,
Department of Physics, University of Texas at Austin,
17 July 2020.

Stirring, mixing, and swimming at GFD.
Talk at the Summer Program in Geophysical Fluid Dynamics, Woods Hole,
MA, 3 July 2020. [video]

Shape Matters: Homogenization for a
confined Brownian microswimmer. Analysis of Fluids and Related
Topics Seminar, Princeton University, NJ, 26 March 2020.
[video]
2019

The role of shape for a Brownian
microswimmer interacting with walls. Talk at the APS Division
of Fluid Dynamics Conference, Seattle, WA, 23 November 2019.

The mathematics of taffy pulling. Dynamical
Systems Seminar, University of Minnesota, 15 November 2019.

PDE description of a Brownian
microswimmer interacting with walls. Talk at International
Workshop on Frontiers of Mathematics and Its Applications, Duke
Kunshan University, 1 November 2019.

Shape matters: A Brownian
microswimmer interacting with walls. Applied and Computational
Math Seminar, Department of Mathematics, University of Wisconsin,
Madison, 25 October 2019.

Goldbug variations. Math Club, Madison College,
Madison, WI, 17 October 2019.

Random entanglements: Winding of
planar Brownian
motions. GEOTOPA
Seminar, 4 October
2019. [video]

An
introduction to stochastic modeling of particle transport.
Lectures at the
Fluid Dynamics of Disease
Transmission Workshop, Cargèse, Corsica, France,
24–25 July 2019.

Modeling a Brownian
microswimmer interacting with
walls. Seminar, CEA Saclay, France, 8 July 2019.

Modeling a Brownian
microswimmer interacting with
walls. Seminar, IRPhE,
Marseille, France, 5 July 2019.

Slimy math: Modeling hagfish
slime. Talk at East High School, Madison, 23 May 2019.

Exit time problems for microswimmers.
Talk at the SIAM Conference on
Applications of Dynamical Systems, Snowbird, UT, 21 May 2019.

Slimy math: Modeling hagfish
slime. Talk at Kromrey Middle School, Madison, 18 April 2019.

The mathematics of burger
flipping. Center for Nonlinear Analysis Colloquium, Department of
Mathematics, Carnegie Mellon University, Pittsburgh,
9 April 2019.

The mathematics of burger
flipping. Applied and Computational Math Seminar,
Department of Mathematics, University of Wisconsin, Madison,
29 March 2019.

PDE solution of a simple
cooking problem. Seminar, School of Mathematics and School of
Physics and Astronomy, University of Edinburgh, Edinburgh, Scotland,
22 March 2019.

The mathematics of burger
flipping. Joint Maths/Higgs Colloquium, School of Mathematics and
School of Physics and Astronomy, University of Edinburgh, Edinburgh,
Scotland, 21 March 2019.
2018

A needleshaped Brownian microswimmer.
Talk at the APS Division of Fluid Dynamics
Conference, Atlanta, GA, 19 November 2018.

Slimy math:
Modeling hagfish slime.
Why Math Matters, University of Wisconsin,
Madison, 9 November 2018.

The hagfish: the slimiest fish in the sea.
Talk at the Madison Math Circle, 15 October 2018.

The mathematics of taffy pulling. Mathematics Colloquium,
Rice University, TX, 23 August 2018.

Exit time problems for
microswimmers.
Talk at
the Workshop on Complex Fluids in Biological Systems,
Banff International Research Station, Alberta, Canada, 26 July 2018.
[video]

Heat exchange and exit
times.
Talk at the SIAM Annual Meeting, Portland, OR, 13 July 2018.

Mathematics of taffy pullers. Talk at STEAM Week, Madison
East High, 22 May 2018.

The mathematics of taffy pulling.
Talk at Dynamics Days 2018, Denver, CO, 6 January 2018.