Presentations and Talks

Further Conference Presentations
Talks at Conferences and Workshops
11/2024	SIAM-NNP Annual Meeting, Rochester, NY Fluid-Level Performance of Multi-Agent Systems
10/2024	Spotted Lanternfly Research and Technology Development Meeting, Wooster, OH Quantifying Spotted Lanternfly Establishment Risk and Resistance Based on Principled Life Cycle Models
06/2024	2024 SIAM Conference on the Life Sciences, Portland, OR Predicting Spotted Lanternfly Establishment Potential Based on Life Cycle Models
02/2024	Workshop Mathematical Foundations for Equity in Transportation Systems, Institute for Pure and Applied Mathematics, UCLA Swarm-Performance of Heterogeneous Multi-Agent Systems Across Scales (presentation slides and video of talk)
10/2023	SIAM-NNP Annual Meeting, Newark, NJ How Order Reduction can Manifest, and be Overcome, in Explicit Runge-Kutta Schemes
09/2023	CIRCLES Symposium, Vanderbilt University How to quantify the energy impact of traffic controls?
06/2023	Conference Traffic and Autonomy, Maiori How transferable is energy-centered traffic control?
06/2023	Reunion workshop of the IPAM long program Mathematical Challenges and Opportunities for Autonomous Vehicles, Lake Arrowhead, CA How sensitive is energy-centered traffic control to the vehicle composition on the road?
04/2023	International Workshop on Moment Methods in Kinetic Theory IV, Karlsruhe Institute of Technology Kinetic Models for the Life Cycle and Spread of Invasive Forest Pests
07/2022	International Conference on Scientific Computation and Differential Equations - SciCADE 2022, Reykjavik Design of DIRK Schemes with High Weak Stage Order
06/2022	Reunion workshop of the IPAM long program Mathematical Challenges and Opportunities for Autonomous Vehicles, Lake Arrowhead, CA Is energy-optimal traffic flow always equivalent to smooth traffic flow?
01/2022	Workshop Holistic Design of Time-Dependent PDE Discretizations, Institute for Computational and Experimental Research in Mathematics Spatial Manifestations of Order Reduction, and Remedies via Weak Stage Order (presentation slides and video of talk)
09/2021	CIRCLES Workshop, virtual event How the structure of vehicle energy models affects energy-optimal traffic flow and control (presentation slides and video of talk)
10/2020	Workshop Safe Operation of Connected and Autonomous Vehicle Fleets, long program Mathematical Challenges and Opportunities for Autonomous Vehicles, Institute for Pure and Applied Mathematics, UCLA Energy Impact of Automated Vehicles used as Sparse Traffic Controllers (presentation slides and video of talk)
12/2019	Workshop Lagrangian Control for Traffic Flow Smoothing in Mixed Autonomy Settings at 58th Conference on Decision and Control, Nice Instabilities and waves in microscopic and macroscopic traffic models
09/2019	Cognizant Autonomous Systems for Safety Critical Applications Conference, Miami, FL Benefits and risks of semi-automated heterogeneous traffic flow
07/2019	International Conference on Scientific Computation and Differential Equations - SciCADE 2019, Innsbruck Unconditionally stable ImEx Methods: How to solve complex problems without having to do complex solves
07/2019	9th International Congress on Industrial and Applied Mathematics - ICIAM 2019, Valencia Macroscopic models for traffic instabilities, and stable averaged equations
07/2019	9th International Congress on Industrial and Applied Mathematics - ICIAM 2019, Valencia DIRK schemes with high weak stage order
02/2019	Workshop Autonomous Vehicles, Institute for Pure and Applied Mathematics, UCLA Instabilities in homogeneous and heterogeneous traffic flow (presentation slides and video of talk)
10/2018	AMS Fall Central Sectional Meeting, University of Michigan The curious life of jamitons
10/2018	Symposium on Complexity in Transportation Science: Connectivity, Data & Automation, University of Michigan Traffic waves, autonomous vehicles, and the future of traffic modeling (presentation slides)
09/2018	PennDOT Research Symposium, Harrisburg, PA Impact of connected and automated vehicles on traffic operations
09/2018	AMS Fall Eastern Sectional Meeting, University of Delaware Overcoming order reduction via weak stage order
09/2018	2018 SIAM Conference on Mathematics of Planet Earth, Philadelphia, PA Traffic flow control via autonomous vehicles and its environmental impact
07/2018	ICOSAHOM 2018, London Overcoming order reduction via weak stage order
06/2018	2018 SIAM Conference on Nonlinear Waves and Coherent Structures, Anaheim, CA Minitutorial: Phantom jams and nonlinear waves in traffic flow - Theory and practice
06/2018	Reunion workshop of the IPAM long program New Directions in Mathematical Approaches for Traffic Flow Management, Lake Arrowhead, CA Traffic control via CAVs: Can a single control vehicle have a significant effect?
12/2017	2017 SIAM Conference on Analysis of PDEs, Baltimore, MD Macroscopic models for mixed human-autonomous vehicle traffic flow
09/2017	Workshop on Modelling Reduction Tools for Large Scale Complex Networks, Grenoble, France 2D traffic flow modeling via kinetic models
07/2017	2017 SIAM Annual Meeting, Pittsburgh, PA Traffic flow control and fuel consumption reduction via moving bottlenecks (recording of talk)
06/2017	UCLA IPAM workshop (general talk), Lake Arrowhead, CA Phantom traffic jams, autonomous vehicles, and the future of traffic modeling
06/2017	Reunion workshop of the IPAM long program New Directions in Mathematical Approaches for Traffic Flow Management, Lake Arrowhead, CA Stabilizing traffic flow via a single autonomous vehicle: Possibilities and limitations
02/2017	2017 SIAM Conference on Computational Science and Engineering, Atlanta, GA Diagonally Implicit Runge-Kutta schemes devoid of order reduction
01/2017	96th Annual Meeting of the Transportation Research Board, Washington D.C. Traffic flow control and fuel consumption reduction via moving bottlenecks
08/2016	2016 SIAM Conference on Nonlinear Waves and Coherent Structures, Philadelphia, PA Nonlinear waves in traffic flow, and what to do against them
07/2016	2016 SIAM Annual Meeting, Boston, MA Meshfree Direct Simulation "Monte Carlo"
07/2016	11th AIMS Conference on Dynamical Systems, Differential Equations and Applications, Orlando, FL Mathematical Models for Capacity Drop Phenomena
06/2016	ECCOMAS Congress 2016, Crete, Greece Meshfree "Direct Simulation Monte Carlo" with radial basis functions
11/2015	NSF CPS PI Meeting, Arlington, VA Control of vehicular traffic flow via low density autonomous vehicles (presentation slides)
09/2015	Workshop Mathematical Foundations of Traffic, long program New Directions in Mathematical Approaches for Traffic Flow Management, Institute for Pure and Applied Mathematics, UCLA Resurrection of the Payne-Whitham pressure? (presentation slides and video of talk)
08/2015	8th International Congress on Industrial and Applied Mathematics - ICIAM 2015, Beijing Model fidelity of data-fitted second-order traffic models
06/2015	Conference Frontiers in Applied and Computational Mathematics (FACM '15), New Jersey Institute of Technology High-order methods for incompressible flows via pressure Poisson equation reformulations
05/2015	Conference Asymptotic Preserving and Multiscale Methods for Kinetic and Hyperbolic Problems, University of Wisconsin-Madison Benefits of staggered grids and exponential time integrators in radiation moment methods
03/2015	2015 SIAM Conference on Computational Science and Engineering, Salt Lake City Effective high-order diffusive moment closures with the StaRMAP software
10/2014	Workshop for Meshfree Methods for Large-Scale Computational Science and Engineering, Tampa Meshfree methods for pressure Poisson equation reformulations of the Navier-Stokes equations
10/2014	Workshop on Moment Methods in Kinetic Theory II, Fields Institute, Toronto StaRMAP - A staggered grid moment approach and its asymptotic preserving properties (video of talk: interactive and static)
11/2013	Temple-Yonsei Symposium, Yonsei University High-order interface tracking, high-order moment methods, and high-order traffic models
10/2013	Frontiers In Computational Science Symposium, Temple University Efficient computational methods for interface tracking, radiative transfer, and atherosclerotic plaque growth
10/2013	AMS Sectional Meeting, Temple University Meshfree finite differences for a pressure Poisson equation reformulation of the Navier-Stokes equations with electric boundary conditions
09/2013	Seventh International Workshop Meshfree methods for partial differential equations, University of Bonn Meshfree finite difference methods for pressure Poisson equation reformulations of the Navier-Stokes equations
07/2013	2013 SIAM Annual Meeting, San Diego Gradient-augmented schemes for reinitialization and other Hamilton-Jacobi equations
05/2013	DelMar Numerics Day 2013, University of Maryland, College Park Jet schemes and gradient-augmented level set methods
02/2013	2013 SIAM Conference on Computational Science and Engineering, Boston StaRMAP - A staggered grid approach for arbitrary order linear moment methods of radiative transfer
02/2013	2013 SIAM Conference on Computational Science and Engineering, Boston An overview of gradient-augmented methods and jet schemes
01/2013	92nd Annual Meeting of the Transportation Research Board, Washington D.C. Comparison of data-fitted first-order traffic models and their second-order generalizations via trajectory and sensor data
10/2012	1st Annual Computational Research on Owlsnest (CROO) Symposium, Temple University Modeling, computation, and understanding of phantom jams and stop-and-go waves in highway traffic
07/2012	2012 SIAM Annual Meeting, Minneapolis Connections between phantom traffic jams, jamitons, and congested traffic flow
06/2012	KAUST Workshop on PDE in Traffic Modeling A data-fitted generalized Aw-Rascle-Zhang model and its model accuracy on real traffic data
10/2011	Sixth International Workshop Meshfree methods for partial differential equations, University of Bonn Characteristic particle methods for traffic flow simulations on highway networks
07/2011	7th International Congress on Industrial and Applied Mathematics - ICIAM 2011, Vancouver Optimally local jet schemes for advection problems
03/2011	International Conference on Mathematical Modelling and Applications to Industrial Problems, NIT Calicut Jet schemes for advection problems
07/2010	2010 SIAM Annual Meeting, Pittsburgh A gradient-augmented level set approach with subgrid resolution
08/2009	Fifth International Workshop Meshfree methods for partial differential equations, University of Bonn Exact particle methods for conservation laws
03/2009	Fourteenth Copper Mountain conference on multigrid methods, Colorado AMG for Meshfree Finite Difference Methods
03/2009	Kinetic FRG Young Researchers Workshop, CSCAMM, University of Maryland, College Park Optimal prediction for radiative transfer: A new perspective on moment closure (presentation slides)
08/2008	Workshop on Similarity: Generalizations, Applications and Open Problems, UBC, Vancouver A meshfree solver for scalar conservation laws in one space dimension
09/2007	Fourth International Workshop Meshfree methods for partial differential equations, University of Bonn Solving conservation laws by particle management
07/2006	14th ECMI conference, University Carlos III de Madrid Meshless Poisson problems in the Finite Pointset Method - Positive stencils and multigrid
03/2006	77th Annual Meeting of the Gesellschaft für Angewandte Mathematik und Mechanik, TU Berlin Multigrid and M-matrices in the finite pointset method
09/2005	Third International Workshop Meshfree methods for partial differential equations, University of Bonn Multigrid and M-matrices in the finite pointset method for incompressible flows
06/2004	13th ECMI conference, Eindhoven Optimal prediction in molecular dynamics
09/2002	16th ECMI Modelling Week, Kaiserslautern Temperature stabilisation during the casting process
09/2023	NSF CSSI PI Meeting, Houston, TX Flexible and Scalable Moment Method Simulations for Radiation Transport and Nuclear Medicine Applications (poster presentation)
11/2018	NSF CPS PI Meeting, Alexandria, VA Phantom traffic jams from adaptive cruise control vehicles (poster and demonstration)
01/2018	97th Annual Meeting of the Transportation Research Board, Washington D.C. Off-ramp coupling conditions devoid of spurious blocking and re-routing (poster presentation)
11/2017	NSF CPS PI Meeting, Alexandria, VA Stabilizing traffic flow via a single autonomous vehicle: Possibilities and limitations (lightning talk, poster, and demonstration)
06/2017	2017 IEEE Intelligent Vehicles Symposium, Redondo Beach, CA Stabilizing traffic flow via a single autonomous vehicle: Possibilities and limitations (poster presentation)
04/2017	Safe Control of Connected and Autonomous Vehicles (SCAV 2017) at CPS Week 2017, Pittsburgh, PA Controlling for unsafe events in dense traffic through autonomous vehicles (presentation by Daniel B. Work)
01/2017	Frontiers in Applied and Computational Mathematics, Brown University Diagonally implicit Runge-Kutta schemes devoid of order reduction (poster presentation)
11/2016	NSF CPS PI Meeting, Arlington, VA Control of vehicular traffic flow via low density autonomous vehicles (poster presentation)
01/2014	93rd Annual Meeting of the Transportation Research Board, Washington D.C. Effect of the choice of jam density in data-fitted first- and second-order traffic models (poster presentation)
12/2012	Workshop on Reproducibility in Computational and Experimental Mathematics, ICERM, Providence, RI, A second order staggered grid method for spherical harmonics moment equations of radiative transfer (lightning talk and poster presentation) Please see also the Conference Wiki.
06/2010	Fluid Dynamics, Analysis, and Numerics 2010, Duke University Gradient-augmented level set methods and interface tracking with subgrid resolution (poster presentation)
03/2009	Computational Kinetic Transport and Hybrid Methods, Institute for Pure and Applied Mathematics, UCLA Optimal prediction for radiative transfer: A new perspective on moment closure (poster presentation)
11/2008	Workshop on Moment Methods in Kinetic Theory, ETH Zürich Optimal prediction for radiative transfer: A new perspective on moment closure (presentation by Martin Frank)
Invited Colloquia and Seminars
07/2024	Modern Applied and Computational Mathematics Seminar, Karlsruhe Institute of Technology Swarm-Performance of Multi-Agent Systems and Connections to Equity
06/2024	Zuse Research Colloquium, Zuse Institute Berlin (ZIB) Swarm-Performance of Multi-Agent Systems and Connections to Equity
06/2024	Guest Lecture, Fraunhofer Institute for Industrial Mathematics ITWM Smoothing Traffic via Automated Vehicles: From Mathematical Models to Large-Scale Experiments
10/2023	Applied Mathematics Seminar, University of Delaware Principled Mathematical Models for the Spotted Lanternfly Invasion
09/2023	PDE Seminar, Vanderbilt University Principled Mathematical Models for the Spotted Lanternfly Invasion
07/2023	Applied Mathematics Colloquium, University of Kassel Unconditionally stable ImEx methods: How to solve complex problems without having to do complex solves
02/2023	Applied Mathematics and Scientific Computing Seminar, Temple University Spatial manifestations of order reduction, and remedies via weak stage order
02/2023	Mathematics Seminar Series, Rutgers University - Camden Principled mathematical models for the spotted lanternfly invasion
02/2023	Numerical Analysis Seminar, University of Maryland Spatial manifestations of order reduction, and remedies via weak stage order
07/2022	Numerical Methods for PDE Seminar, University of Kassel Spatial manifestations of order reduction, and remedies via weak stage order
06/2022	CRC Seminar, Karlsruhe Institute of Technology Spatial manifestations of order reduction, and remedies via weak stage order
11/2021	Modeling, Computation, Nonlinearity, Randomness and Waves Seminar, University of Arizona Principled mathematical models for the Spotted Lanternfly life cycle
02/2021	Scientific Computing and Numerics Seminar, Cornell University Spatial manifestations of order reduction, and overcoming it via weak stage order
12/2019	Applied Mathematics and Scientific Computing Seminar, Temple University Unconditionally Stable ImEx Methods: How to solve complex problems without having to do complex solves
11/2019	Applied Mathematics Colloquium, MIT Understanding how vehicle automation changes traffic flow patterns
10/2019	Uncertainty Quantification Seminar, University of Arizona Moment closures in radiation transport and how to efficiently solve them
07/2019	Informatics Colloquium, TU Munich Instabilities in homogeneous and heterogeneous traffic flow
04/2019	Math/Stats Colloquium, Georgetown University Traffic waves, autonomous vehicles, and the future of traffic modeling
02/2019	Applied Mathematics Seminar, Courant Institute, NYU Traffic waves, autonomous vehicles, and the future of traffic modeling
02/2019	Applied Mathematics and Scientific Computing Seminar, Temple University Traffic waves, autonomous vehicles, and the future of traffic modeling
10/2018	Applied Interdisciplinary Mathematics (AIM) Seminar, University of Michigan Moment closures in radiation transport and how to efficiently solve them
07/2018	Steinbuch Centre for Computing Seminar, Karlsruhe Institute of Technology Phantom traffic jams and traffic flow control via autonomous vehicles
05/2018	Seminar Institute for Software Integrated Systems, Vanderbilt University 2D traffic flow modeling via kinetic models
04/2018	Physics Colloquium, Temple University Traffic waves, autonomous vehicles, and the future of traffic modeling
03/2018	Numerical Analysis and PDE Seminar, University of Delaware Spatial manifestations of order reduction and weak state order
02/2018	Center for Control Systems and Dynamic Seminar, UC San Diego Phantom traffic jams, autonomous vehicles, and the future of traffic modeling
10/2017	PDE/Applied Math Seminar, Drexel University Phantom traffic jams, autonomous vehicles, and the future of traffic modeling
09/2017	Mathematics Seminar, Universita degli Studi dell'Insubria, Como Phantom traffic jams, autonomous vehicles, and the future of traffic modeling
09/2017	Mechanical Engineering Seminar, University of Delaware Phantom traffic jams, autonomous vehicles, and the future of traffic modeling
09/2017	Applied Mathematics Colloquium, Columbia University Phantom traffic jams, autonomous vehicles, and the future of traffic modeling
03/2017	Mathematics Colloquium, University of Alabama Phantom traffic jams, autonomous vehicles, and the future of traffic modeling
03/2017	Applied Mathematics Seminar, University of Washington Order reduction in Runge-Kutta time-stepping for Initial Boundary Value Problems
11/2016	Computational Science Seminar, University of Massachusetts at Dartmouth Order reduction in Runge-Kutta time-stepping for Initial Boundary Value Problems
10/2016	Applied Mathematics and Scientific Computing Seminar, Temple University Meshfree direct simulation Monte Carlo for kinetic equations
09/2016	CNA seminar, Carnegie Melon University Nonlinear waves in traffic flow, and the future of traffic modeling (video of talk)
07/2016	Schlumberger Fluids Workshop, Cambridge, MA Jet schemes and gradient-augmented level set methods
05/2016	MathCCES seminar, RWTH Aachen University Order reduction in high-order time-stepping
03/2016	Big Problems / Big Ideas Seminar, Temple University How to model traffic flow via PDEs and how to use this for traffic control
10/2015	Level Set Collective, UCLA Order reduction in high-order time-stepping: why? and how to fix?
09/2015	IPAM Seminar, UCLA Traffic waves
05/2015	Seminar Numerical Methods for Partial Differential Equations, MIT Benefits of staggered grids and exponential time integrators in radiation moment methods
02/2015	Applied Mathematics and Scientific Computing Seminar, Temple University Crystal cutting and radiative moment closures via optimal prediction
02/2015	Joint CSCAMM/KI-Net Seminar, Center for Scientific Computation and Mathematical Modeling, University of Maryland College Park Phantom jams and jamitons in macroscopic traffic models
01/2015	Applied Mathematics Colloquium, North Carolina State University Interface motion, jet schemes, and gradient-augmented level set methods
11/2014	Oliver Club, Cornell University Traffic models, phantom jams, and autonomous vehicles
11/2014	Applied Mathematics Colloquium, North Carolina State University Stories of traffic models, phantom jams, jamitons, and autonomous vehicles
09/2014	Mathematics Colloquium, Villanova University The analogy of phantom traffic jams and detonation waves
04/2014	Scientific Computing and Numerics seminar, Cornell University High-order methods for pressure Poisson equation reformulations of the Navier-Stokes equations
03/2014	Applied and Computational Mathematics seminar, Georgia Tech Phantom jams and jamitons in macroscopic traffic models
03/2014	Joint seminar Physical Mathematics and Numerical Methods for PDE, MIT Jamitons and the predictive accuracy of macroscopic traffic models
02/2014	Webinar of the Committee on Traffic Flow Theory and Characteristics, Comparison of data-fitted first-order traffic models and their second-order generalizations via trajectory and sensor data
12/2013	MathCCES seminar, RWTH Aachen University Jamitons and the predictive accuracy of macroscopic traffic models
11/2013	Mathematics Seminar, Yonsei University Phantom jams and jamitons in second order traffic models
11/2013	Fluid Mechanics Seminar, New Jersey Institute of Technology Jet schemes and gradient-augmented level set methods
10/2013	Numerical Analysis and PDE Seminar, University of Delaware Phantom jams and jamitons in second order traffic models
04/2013	Applied Mathematics Colloquium, UCLA Phantom Jams and Jamitons in Second Order Traffic Models
04/2013	Level Set Collective, UCLA Jet schemes and gradient-augmented level set methods
04/2013	Institute of Transportation Studies Seminar, UC Berkeley Phantom Jams and Jamitons in Second Order Traffic Models
04/2013	Applied Mathematics Seminar, UC Berkeley & Lawrence Berkeley Laboratory Jet schemes and gradient-augmented level set methods
03/2013	Seminar Numerical Methods for Partial Differential Equations, MIT Jet schemes and gradient-augmented level set methods
02/2013	Numerical Analysis and Scientific Computing Seminar, Courant Institute, New York University Jet schemes and gradient-augmented level set methods
01/2013	Computational Math Seminar, University of Pittsburgh Jet schemes and gradient-augmented level set methods
10/2012	Applied Mathematics and Scientific Computing Seminar, Temple University Explaining set-valued fundamental diagrams in traffic flow via phantom traffic jams
03/2012	Applied Math Seminar, University of Delaware On optimally sparse meshfree stencils and characteristic particles
03/2012	Physical Mathematics Seminar, Massachusetts Institute of Technology High order computational moment methods for radiative transfer simulations
10/2011	Applied Mathematics and Scientific Computing Seminar, Temple University Jet schemes for advection problems
10/2011	PDE/Applied Math Seminar, Drexel University The analogy of phantom traffic jams and detonation waves
05/2011	IGPM seminar, RWTH Aachen University Jet schemes for advection problems
05/2011	Instituto Gregorio Millán, Universidad Carlos III de Madrid Meshfree finite difference methods with minimal positive stencils
04/2011	Ulm Mathematical Colloquium Jet schemes for advection problems
04/2011	MathCCES seminar, RWTH Aachen University New ideas in traffic modeling, multiphase fluid simulations, particle methods, and moment methods
03/2011	Applied Mathematics Seminar, McGill University A new perspective on the moment closure problem in radiative transfer
12/2010	Seminar Numerical Methods for Partial Differential Equations, MIT A new perspective on the moment closure problem in radiative transfer
11/2010	Scientific Computing Group Seminar, Brown University New computational approaches based on the methods of characteristics
06/2010	Center for Computational Engineering Science, RWTH Aachen University New computational approaches based on the method of characteristics
05/2010	Instituto Gregorio Millán, Universidad Carlos III de Madrid A new perspective on the moment closure problem in radiative transfer
02/2010	Physics Colloquium, Temple University The analogy of phantom traffic jams and detonation waves
12/2009	Applied Math Seminar, University of Delaware Exact particle methods and level set approaches with subgrid resolution
11/2009	Applied Mathematics and Scientific Computing Seminar, Temple University Meshfree finite difference methods with minimal positive stencils
10/2009	Analysis Seminar, Temple University Detonation waves in traffic flow
09/2009	Scientific Computing and Numerics Seminar, Cornell University Exact particle methods and gradient-augmented level set approaches
06/2009	TU Kaiserslautern Gradient-augmented methods and interface tracking with subgrid resolution
02/2009	Physical Mathematics Seminar, Massachusetts Institute of Technology Crystal cutting and radiative moment closures by optimal prediction
02/2009	Mathematics Colloquium, UMass Dartmouth Benefits and challenges of particle methods
02/2009	Mathematics Colloquium, Temple University Benefits and challenges of particle methods
11/2008	Institute of Computational Science, ETH Zürich Advection and remeshing with particles and level sets
10/2008	Seminar Numerical Methods for Partial Differential Equations, Massachusetts Institute of Technology Particle methods - Sparsity and exact conservation
10/2008	Fluid Dynamics Seminar, Massachusetts Institute of Technology Phantom traffic jams and traveling jamitons
06/2008	TU Kaiserslautern Detonation waves in traffic flow
05/2006	Seminar of the Graduate college Mathematics and Pratice, TU Kaiserslautern Meshfree elliptic problems in the Finite Pointset Method - Positive stencils and linear solvers
01/2006	PhD seminar Technomathematics, TU Kaiserslautern Point clouds, positive stencils and linear solvers
04/2005	Weekend seminar of the Graduate college Mathematics and Pratice, Lambrecht Meshfree finite difference methods for flow problems
11/2004	PhD seminar Technomathematics, TU Kaiserslautern FPM - Quest for the M-matrix
05/2004	Seminar of the Graduate college Mathematics and Pratice, TU Kaiserslautern Adaptive particle methods in CFD
04/2004	PhD seminar Technomathematics, TU Kaiserslautern Adaptive particle methods for flow problems
11/2003	Weekend seminar of the Graduate college Mathematics and Pratice, Koblenz Meshfree finite difference methods - Finite pointset method
Presentations to Public and Undergraduate Audiences
02/2024	Physics Seminar, Saint Joseph's University Traffic Waves, Vehicle Automation, and the Future of Traffic Modeling
09/2023	Temple University Bioinformatics Studio Principled Mathematical Models for the Spotted Lanternfly Invasion
02/2021	MSRI Math Lovers Forum Traffic Waves, Vehicle Automation, and the Future of Traffic Modeling (video of talk)
11/2020	IPAM Public Lecture The Frustrating Beauty of Traffic Waves - And How Automated Vehicles Can Prevent Them (video of talk)
09/2020	Mathematical Challenges and Opportunities for Autonomous Vehicles Tutorials, part of the long program Mathematical Challenges and Opportunities for Autonomous Vehicles, Institute for Pure and Applied Mathematics, UCLA Basic Traffic Models and Traffic Waves, Part 1 (video of talk) Basic Traffic Models and Traffic Waves, Part 2 (video of talk) (presentation slides for all talks)
01/2018	Presentation at NSF booth for MobilityTalks, Washington Auto Show
04/2016	Temple CST Board of Visitors Meeting Phantom traffic jams and autonomous vehicles
12/2015	Mathematics Colloquium, California State University Northridge The analogy of phantom traffic jams and detonation waves
09/2015	Mathematical Approaches for Traffic Flow Management Tutorials, part of the long program New Directions in Mathematical Approaches for Traffic Flow Management, Institute for Pure and Applied Mathematics, UCLA A mathematical introduction to traffic flow theory: Part I (video of talk) A mathematical introduction to traffic flow theory: Part II (video of talk) A mathematical introduction to traffic flow theory: Part III (video of talk) (presentation slides for all talks)
05/2015	Pint of Science, Bourbon Blue, Philadelphia Phantom jams, detonation waves, and autonomous vehicles
12/2013	Mathematics and Statistics Colloquium, Swarthmore College The analogy of phantom traffic jams and detonation waves
10/2012	Bi-College Mathematics Colloquium, Haverford College The analogy of phantom traffic jams and detonation waves
03/2011	UMass Dartmouth Traffic modeling and phantom traffic jams
10/2010	Temple University, Faculty research talk series for undergraduate students Traffic modeling and phantom traffic jams
12/2009	Mathematics Colloquium, Temple University The sound of an evolving floating sculpture
09/2009	Marywood University Traffic models and phantom traffic jams
01/2009	MIT 18.095 Mathematics Lecture Series Modeling of traffic flow
10/2008	MIT family weekend Phantom traffic jams and traveling jamitons
08/2005	Seminar week Hirschegg, Austria Why are the Navier-Stokes equations difficult? Turbulence.