Presentations and Talks

Talks at Conferences and Workshops Talk
07/20172017 SIAM Annual Meeting, Pittsburgh, PA
Traffic flow control and fuel consumption reduction via moving bottlenecks (recording of talk)
06/2017UCLA IPAM workshop (general talk), Lake Arrowhead, CA
Phantom traffic jams, autonomous vehicles, and the future of traffic modeling
06/2017Reunion 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
02/20172017 SIAM Conference on Computational Science and Engineering, Atlanta, GA
Diagonally Implicit Runge-Kutta schemes devoid of order reduction
01/201796th Annual Meeting of the Transportation Research Board, Washington D.C.
Traffic flow control and fuel consumption reduction via moving bottlenecks
08/20162016 SIAM Conference on Nonlinear Waves and Coherent Structures, Philadelphia, PA
Nonlinear waves in traffic flow, and what to do against them
07/20162016 SIAM Annual Meeting, Boston, MA
Meshfree Direct Simulation "Monte Carlo"
07/201611th 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)
09/2015Workshop Mathematical Foundations of Traffic, part of the long program New Directions in Mathematical Approaches for Traffic Flow Management, Institute for Pure and Applied Mathematics, UCLA
Resurrection of the Payne-Whitham pressure? (video of talk: 1080p and 480p)
08/20158th International Congress on Industrial and Applied Mathematics - ICIAM 2015, Beijing
Model fidelity of data-fitted second-order traffic models
06/2015Conference Frontiers in Applied and Computational Mathematics (FACM '15), New Jersey Institute of Technology
High-order methods for incompressible flows via pressure Poisson equation reformulations
05/2015Conference 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
03/20152015 SIAM Conference on Computational Science and Engineering, Salt Lake City
Effective high-order diffusive moment closures with the StaRMAP software
10/2014Workshop for Meshfree Methods for Large-Scale Computational Science and Engineering, Tampa
Meshfree methods for pressure Poisson equation reformulations of the Navier-Stokes equations
10/2014Workshop 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)
11/2013Temple-Yonsei Symposium, Yonsei University
High-order interface tracking, high-order moment methods, and high-order traffic models
10/2013Frontiers In Computational Science Symposium, Temple University
Efficient computational methods for interface tracking, radiative transfer, and atherosclerotic plaque growth
10/2013AMS Sectional Meeting, Temple University
Meshfree finite differences for a pressure Poisson equation reformulation of the Navier-Stokes equations with electric boundary conditions
09/2013Seventh 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
07/20132013 SIAM Annual Meeting, San Diego
Gradient-augmented schemes for reinitialization and other Hamilton-Jacobi equations
05/2013DelMar Numerics Day 2013, University of Maryland, College Park
Jet schemes and gradient-augmented level set methods
02/20132013 SIAM Conference on Computational Science and Engineering, Boston
StaRMAP - A staggered grid approach for arbitrary order linear moment methods of radiative transfer
02/20132013 SIAM Conference on Computational Science and Engineering, Boston
An overview of gradient-augmented methods and jet schemes
01/201392nd 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
10/20121st Annual Computational Research on Owlsnest (CROO) Symposium, Temple University
Modeling, computation, and understanding of phantom jams and stop-and-go waves in highway traffic
07/20122012 SIAM Annual Meeting, Minneapolis
Connections between phantom traffic jams, jamitons, and congested traffic flow
06/2012KAUST Workshop on PDE in Traffic Modeling
A data-fitted generalized Aw-Rascle-Zhang model and its model accuracy on real traffic data
10/2011Sixth International Workshop Meshfree methods for partial differential equations, University of Bonn
Characteristic particle methods for traffic flow simulations on highway networks
07/20117th International Congress on Industrial and Applied Mathematics - ICIAM 2011, Vancouver
Optimally local jet schemes for advection problems
03/2011International Conference on Mathematical Modelling and Applications to Industrial Problems, NIT Calicut
Jet schemes for advection problems
07/20102010 SIAM Annual Meeting, Pittsburgh
A gradient-augmented level set approach with subgrid resolution
08/2009Fifth International Workshop Meshfree methods for partial differential equations, University of Bonn
Exact particle methods for conservation laws
03/2009Fourteenth Copper Mountain conference on multigrid methods, Colorado
AMG for Meshfree Finite Difference Methods
03/2009Kinetic FRG Young Researchers Workshop, CSCAMM, University of Maryland, College Park
Optimal prediction for radiative transfer: A new perspective on moment closure (presentation slides)
08/2008Workshop on Similarity: Generalizations, Applications and Open Problems, UBC, Vancouver
A meshfree solver for scalar conservation laws in one space dimension
09/2007Fourth International Workshop Meshfree methods for partial differential equations, University of Bonn
Solving conservation laws by particle management
07/200614th ECMI conference, University Carlos III de Madrid
Meshless Poisson problems in the Finite Pointset Method - Positive stencils and multigrid
03/200677th Annual Meeting of the Gesellschaft für Angewandte Mathematik und Mechanik, TU Berlin
Multigrid and M-matrices in the finite pointset method
09/2005Third International Workshop Meshfree methods for partial differential equations, University of Bonn
Multigrid and M-matrices in the finite pointset method for incompressible flows
06/200413th ECMI conference, Eindhoven
Optimal prediction in molecular dynamics
09/2002    16th ECMI Modelling Week, Kaiserslautern
Temperature stabilisation during the casting process
Further Conference Presentations
06/20172017 IEEE Intelligent Vehicles Symposium, Redondo Beach, CA
Stabilizing traffic flow via a single autonomous vehicle: Possibilities and limitations (poster presentation)
04/2017Safe 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)
01/2017Frontiers 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)
01/201493rd 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)
12/2012Workshop 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.
06/2010Fluid Dynamics, Analysis, and Numerics 2010, Duke University
Gradient-augmented level set methods and interface tracking with subgrid resolution (poster presentation)
03/2009Computational 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)
11/2008Workshop 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
03/2017Mathematics Colloquium, University of Alabama
Phantom Traffic Jams, Autonomous Vehicles, and the Future of Traffic Modelling
03/2017Applied Mathematics Seminar, University of Washington
Order reduction in Runge-Kutta time-stepping for Initial Boundary Value Problems
11/2016Computational Science Seminar, University of Massachusetts at Dartmouth
Order reduction in Runge-Kutta time-stepping for Initial Boundary Value Problems
10/2016Applied Mathematics and Scientific Computing Seminar, Temple University
Meshfree direct simulation Monte Carlo for kinetic equations
09/2016CNA seminar, Carnegie Melon University
Nonlinear waves in traffic flow, and the future of traffic modeling (video of talk)
07/2016Schlumberger Fluids Workshop, Cambridge, MA
Jet schemes and gradient-augmented level set methods
05/2016MathCCES seminar, RWTH Aachen University
Order-reduction in high-order time-stepping
03/2016Big Problems / Big Ideas Seminar, Temple University
How to model traffic flow via PDEs and how to use this for traffic control
10/2015Level Set Collective, UCLA
Order-reduction in high-order time-stepping: why? and how to fix?
09/2015IPAM Seminar, UCLA
Traffic waves
05/2015Seminar Numerical Methods for Partial Differential Equations, MIT
Benefits of staggered grids and exponential time integrators in radiation moment methods
02/2015Applied Mathematics and Scientific Computing Seminar, Temple University
Crystal cutting and radiative moment closures via optimal prediction
02/2015Joint CSCAMM/KI-Net Seminar, Center for Scientific Computation and Mathematical Modeling, University of Maryland College Park
Phantom jams and jamitons in macroscopic traffic models
01/2015Applied Mathematics Colloquium, North Carolina State University
Interface motion, jet schemes, and gradient-augmented level set methods
11/2014Oliver Club, Cornell University
Traffic models, phantom jams, and autonomous vehicles
11/2014Applied Mathematics Colloquium, North Carolina State University
Stories of traffic models, phantom jams, jamitons, and autonomous vehicles
09/2014Mathematics Colloquium, Villanova University
The analogy of phantom traffic jams and detonation waves
04/2014Scientific Computing and Numerics seminar, Cornell University
High-order methods for pressure Poisson equation reformulations of the Navier-Stokes equations
03/2014Applied and Computational Mathematics seminar, Georgia Tech
Phantom jams and jamitons in macroscopic traffic models
03/2014Joint seminar Physical Mathematics and Numerical Methods for PDE, MIT
Jamitons and the predictive accuracy of macroscopic traffic models
02/2014Webinar 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
12/2013MathCCES seminar, RWTH Aachen University
Jamitons and the predictive accuracy of macroscopic traffic models
11/2013Mathematics Seminar, Yonsei University
Phantom jams and jamitons in second order traffic models
11/2013Fluid Mechanics Seminar, New Jersey Institute of Technology
Jet schemes and gradient-augmented level set methods
10/2013Numerical Analysis and PDE Seminar, University of Delaware
Phantom jams and jamitons in second order traffic models
04/2013Applied Mathematics Colloquium, UCLA
Phantom Jams and Jamitons in Second Order Traffic Models
04/2013Level Set Collective, UCLA
Jet schemes and gradient-augmented level set methods
04/2013Institute of Transportation Studies Seminar, UC Berkeley
Phantom Jams and Jamitons in Second Order Traffic Models
04/2013Applied Mathematics Seminar, UC Berkeley & Lawrence Berkeley Laboratory
Jet schemes and gradient-augmented level set methods
03/2013Seminar Numerical Methods for Partial Differential Equations, MIT
Jet schemes and gradient-augmented level set methods
02/2013Numerical Analysis and Scientific Computing Seminar, Courant Institute, New York University
Jet schemes and gradient-augmented level set methods
01/2013Computational Math Seminar, University of Pittsburgh
Jet schemes and gradient-augmented level set methods
10/2012Applied Mathematics and Scientific Computing Seminar, Temple University
Explaining set-valued fundamental diagrams in traffic flow via phantom traffic jams
03/2012Applied Math Seminar, University of Delaware
On optimally sparse meshfree stencils and characteristic particles
03/2012Physical Mathematics Seminar, Massachusetts Institute of Technology
High order computational moment methods for radiative transfer simulations
10/2011Applied Mathematics and Scientific Computing Seminar, Temple University
Jet schemes for advection problems
10/2011PDE/Applied Math Seminar, Drexel University
The analogy of phantom traffic jams and detonation waves
05/2011IGPM seminar, RWTH Aachen University
Jet schemes for advection problems
05/2011Instituto Gregorio Millán, Universidad Carlos III de Madrid
Meshfree finite difference methods with minimal positive stencils
04/2011Ulm Mathematical Colloquium
Jet schemes for advection problems
04/2011MathCCES seminar, RWTH Aachen University
New ideas in traffic modeling, multiphase fluid simulations, particle methods, and moment methods
03/2011Applied Mathematics Seminar, McGill University
A new perspective on the moment closure problem in radiative transfer
12/2010Seminar Numerical Methods for Partial Differential Equations, MIT
A new perspective on the moment closure problem in radiative transfer
11/2010Scientific Computing Group Seminar, Brown University
New computational approaches based on the methods of characteristics
06/2010Center for Computational Engineering Science, RWTH Aachen University
New computational approaches based on the method of characteristics
05/2010Instituto Gregorio Millán, Universidad Carlos III de Madrid
A new perspective on the moment closure problem in radiative transfer
02/2010Physics Colloquium, Temple University
The analogy of phantom traffic jams and detonation waves
12/2009Applied Math Seminar, University of Delaware
Exact particle methods and level set approaches with subgrid resolution
11/2009Applied Mathematics and Scientific Computing Seminar, Temple University
Meshfree finite difference methods with minimal positive stencils
10/2009Analysis Seminar, Temple University
Detonation waves in traffic flow
09/2009Scientific Computing and Numerics Seminar, Cornell University
Exact particle methods and gradient-augmented level set approaches
06/2009TU Kaiserslautern
Gradient-augmented methods and interface tracking with subgrid resolution
02/2009Physical Mathematics Seminar, Massachusetts Institute of Technology
Crystal cutting and radiative moment closures by optimal prediction
02/2009Mathematics Colloquium, UMass Dartmouth
Benefits and challenges of particle methods
02/2009Mathematics Colloquium, Temple University
Benefits and challenges of particle methods
11/2008Institute of Computational Science, ETH Zürich
Advection and remeshing with particles and level sets
10/2008Seminar Numerical Methods for Partial Differential Equations, Massachusetts Institute of Technology
Particle methods - Sparsity and exact conservation
10/2008Fluid Dynamics Seminar, Massachusetts Institute of Technology
Phantom traffic jams and traveling jamitons
06/2008TU Kaiserslautern
Detonation waves in traffic flow
05/2006Seminar of the Graduate college Mathematics and Pratice, TU Kaiserslautern
Meshfree elliptic problems in the Finite Pointset Method - Positive stencils and linear solvers
01/2006PhD seminar Technomathematics, TU Kaiserslautern
Point clouds, positive stencils and linear solvers
04/2005Weekend seminar of the Graduate college Mathematics and Pratice, Lambrecht
Meshfree finite difference methods for flow problems
11/2004PhD seminar Technomathematics, TU Kaiserslautern
FPM - Quest for the M-matrix
05/2004Seminar of the Graduate college Mathematics and Pratice, TU Kaiserslautern
Adaptive particle methods in CFD
04/2004PhD seminar Technomathematics, TU Kaiserslautern
Adaptive particle methods for flow problems
11/2003Weekend seminar of the Graduate college Mathematics and Pratice, Koblenz
Meshfree finite difference methods - Finite pointset method
Presentations to Public and Undergraduate Audiences
04/2016Temple CST Board of Visitors Meeting
Phantom traffic jams and autonomous vehicles
12/2015Mathematics 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: 1080p and 480p)
A mathematical introduction to traffic flow theory: Part II (video of talk: 1080p and 480p)
A mathematical introduction to traffic flow theory: Part III (video of talk: 1080p and 480p)
(presentation slides for all talks)
05/2015Pint of Science, Bourbon Blue, Philadelphia
Phantom jams, detonation waves, and autonomous vehicles
12/2013Mathematics and Statistics Colloquium, Swarthmore College
The analogy of phantom traffic jams and detonation waves
10/2012Bi-College Mathematics Colloquium, Haverford College
The analogy of phantom traffic jams and detonation waves
03/2011UMass Dartmouth
Traffic modeling and phantom traffic jams
10/2010Temple University, Faculty research talk series for undergraduate students
Traffic modeling and phantom traffic jams
12/2009Mathematics Colloquium, Temple University
The sound of an evolving floating sculpture
09/2009Marywood University
Traffic models and phantom traffic jams
01/2009MIT 18.095 Mathematics Lecture Series
Modeling of traffic flow
10/2008MIT family weekend
Phantom traffic jams and traveling jamitons
08/2005Seminar week Hirschegg, Austria
Why are the Navier-Stokes equations difficult? Turbulence.