Applied and Computational Math Seminar
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Applied and Computational Math Seminar
The Applied and Computational Mathematics seminar combines lectures by our faculty, students and visitors from other departments of George Mason University and other institutions. This series serves the purpose of fostering research collaborations and keeping us informed of the recent advances in the field. Questions and suggestions on possible contributions should be addressed to Dan Anderson, Harbir Antil, or Igor Griva.
Unless noted otherwise, talks will be on Fridays from 1:30pm - 2:30pm.
In-person: Exploratory Hall, Room 4106.
Summer 2024
Monday, July 15 - 3:30pm - 4:30pm
To be posted soon
Masato Hara, Kyoto University
Past Seminars
Spring 2024
January 26at 10am - (joint with CMAI Colloquium)
Computational methods and dimension reduction for kinetic transport equations
Yingda Cheng, Virginia Tech
February 9 at 10am - (joint with CMAI Colloquium)
Computational strategies for state constraints in PDE-constrained optimization under uncertainty
Thomas Surowiec, Simula Research Laboratory
February 16 at 10am - (joint with CMAI Colloquium)
A deep learning strategy for solving physics-based Bayesian inference problems
Deep Ray, University of Maryland
February 23
Self-organized sacrifice: the death of vegetation patches during dry spells
Arnd Scheel, University of Minnesota
March 15
High-order implicit low-rank time integrators for advection-diffusion and Fokker-Planck models
Joseph Nakao, Swarthmore College
March 22 at 10am - (joint with CMAI Colloquium)
Scott Field, UMass Dartmouth
April 5
An investigation of tipping mechanisms in a carbon cycle model
Katherine Slyman, Brown University
April 26
Quantifying Fairness—Metric Based Approaches to Shape Comparison in Electoral Redistricting
Ranthony Clark, Duke University
Fall 2023
September 15 at 10am (joint with CMAI Colloquium)
Sample Size Estimates for Risk-Neutral Semilinear PDE-Constrained Optimization
Johannes Milz, Georgia Tech
September 22 at 10am (joint with CMAI Colloquium)
Transport Equations, Compositional Sparsity, and Model Classes for High-Dimensional Approximation
Wolfgang Dahmen, University of South Carolina
September 29
Spectral minimal partitions, nodal deficiency and the Dirichlet-to-Neumann map
Jeremy Marzuola, University of North Carolina at Chapel Hill
October 6 at 10am (joint with CMAI Colloquium)
Loic Cappanera, University of Houston
October 20 at 10am (joint with CMAI Colloquium)
PDE system identification using transport models
Gustavo Kunde Rohde, University of Virginia
October 27
John Bush, MIT
November 3 at 10am (joint with CMAI Colloquium)
Predicting the Weather, 4d-Var, Hybrid Tangent Linear Models, A.I. and JEDI
Christian Sampson, Joint Center for Satellite Data Assimilation
November 10
Validated numerics via the FFT
Jay Mireles James, Florida Atlantic University
November 17 at 10am (joint with CMAI Colloquium)
Pablo Raul Stinga, Iowa State University
Spring 2023
Friday, January 27 at 10am (joint with CMAI Colloquium)
Towards the computational design of smart nanocarriers
Annalisa Quaini, University of Houston
Friday, February 10 at 10am (joint with CMAI Colloquium)
Accuracy Controlled Data Assimilation for Parabolic Problems
Wolfgang Dahmen, University of South Carolina
Friday, February 24 at 10am (joint with CMAI Colloquium)
How to Train Better: Exploiting the Separability of Deep Neural Networks
Elizabeth Newman, Emory University
Friday, March 3
A simple model for radiating solitary waves
Doug Wright, Drexel University
Friday, March 10 at 10am (joint with CMAI Colloquium)
Using Hamilton Jacobi PDEs in Optimization
Samy Wu Fung, Colorado School of Mines
Friday, April 7 at 10am (joint with CMAI Colloquium)
Graph-Structured Optimization: Properties, Algorithms, and Software
Victor Zavala, University of Wisconsin
Friday, April 21 at 10am (joint with CMAI Colloquium)
Paul Manns, Technical University Dortmund, Germany
Friday, April 28
Jason Bramburger, Concordia University
Fall 2022
Friday, September 9 at 10am - Joint with CMAI Colloquium
Rayanne Luke, NIST
Thursday, September 15 at 10am - NOTE SPECIAL DAY & TIME - Joint with CMAI Colloquium
Geometric convergence in regularization of inverse problems
Jose A. Iglesias, University of Twente, Netherlands
Wednesday, October 5 at 10:30am - NOTE SPECIAL DAY & TIME
Identification of tipping points due to bifurcation and noise
Blake Barker, BYU
Friday, October 21
Removing Bias and Quantifying Uncertainty in Fluorescence Produced by PCR
Rob De Jaco, National Institute of Standards and Technology
Friday, November 11
Separating Flow Cytometry Populations: A Probabilistic Approach
Danielle Middlebrooks, NIST
Friday, November 18
Optimal Time-Dependent Classification for Diagnostic Testing
Prajakta Bedekar, NIST/Johns Hopkins University
Spring 2022
February 18
Yanxiang Zhao, George Washington University
March 11
Computational methods for the study of rare events
Maria Cameron, University of Maryland
April 8
A Dynamical Systems Approach for Most Probable Escape Paths in Non-Gradient Systems
Emmanuel Fleurantin, George Mason University
April 22 at 10am
Integrating Machine-Learned Surrogate Models with Simulations
Bethany Lusch, Argonne National Laboratory
Fall 2021
Date | Name | Affiliation | Title |
Friday, October 22 In-person and on Zoom
| Jake Roberts | NIST | |
Friday, October 29 In-person and on Zoom | Leah Shaw | William and Mary | |
Friday, November 5 Zoom | Giovanni Fantuzzi | Imperial College, London | Global minimization of integral functionals via polynomial optimization |
Friday, November 12 - Zoom | Mary Pugh | University of Toronto | |
Friday, November 19 - Zoom | Kevin Church | McGill University |
Spring 2020
Date | Name | Affiliation | Title |
Friday, January 24 | Jonathan Jaquette | Brandeis University | Rigorous numerics for nonlinear heat equations in the complex plane of time |
Friday, January 31 | Mahdi Hashemi | George Mason University | Machine learning for smart cities |
Friday, February 7 | Traian Iliescu | Virginia Tech | Data-Driven Variational Multiscale Reduced Order Models |
Friday, February 14 | Ratna Khatri | George Mason University | Role of Nonlocal operators in Inverse Problems and Deep Learning |
Friday, February 21 | Noel Walkington | Carnegie Mellon University | Numerical Approximation of Parabolic SPDE's |
Friday, February 28 | Oleksandr Misiats | VCU | Patterns around us: a calculus of variations prospective |
Friday, March 6 | Weiwei Hu | University of Georgia | Boundary control of optimal mixing via flow advection |
Thursday/Friday, April 2/3 | East Coast Optimization Meeting (ECOM) 2020 - POSTPONED | ||
Friday, April 10 | Akwum Onwunta | University of Maryland | TBA |
Friday, April 24 | Pablo Stinga | Iowa State University | TBA |
Fall 2019
Fall 2019
Date | Name | Affiliation | Title |
Friday, September 6 | Jose Francisco Rodrigues | Universidade de Lisboa | Nonlocal evolution transport densities |
Friday, September 13 | Carlos Rautenberg | George Mason University | Spatially Distributed Parameters in Image Processing: From Total Variation to Fractional Models |
Friday, September 20 | No Seminar Today | ||
Friday, October 4 | Armin Schikorra | University of Pittsburgh | Self-repulsive curvature energies for curves and surfaces: regularity theory and relation to harmonic maps |
Friday, October 11 | Lauren Childs | Virginia Tech | Modeling malaria development in mosquitoes: How fast can mosquitoes pass on infection? |
Friday, October 18 | David Marchette | Naval Surface Warfare Center | Spectral Graph Embedding for Clustering |
Thursday, October 24 (Special Joint CDS, Math, and Physics Seminar, Exploratory Hall 3301, 1:00-2:30pm) | Mason Porter | UCLA Dept. of Mathematics | Topological Data Analysis of Spatial Complex Systems |
Friday, October 25 | Yuliya Gorb | University of Houston and National Science Foundation | Asymptotic Analysis of Singularities in Media with Inhomogeneities |
Friday, November 1 | Ryan Evans | National Institute of Standards and Technology | Transport Phenomena in Field Effect Transistors |
Friday, November 8 | Matt Holzer | George Mason University | Stability and Dynamics of Invasion Fronts in Spatially Extended Systems |
Friday, November 15 | SIAM Faculty Symposium | ||
Friday, November 22 | Bedrich Sousedik | UMBC | Spectral stochastic finite elements for two nonlinear problems |
Friday, December 6 | Elena Queirolo | Rutgers University | Bifurcations in ODEs and a PDE |
Summer 2019
Summer 2019
Date | Name | Affiliation | Title |
Thursday, May 30 (Special Time: 10am-11am; Location, Exploratory Hall: 4106) | Andrea N. Ceretani | Universidad Nacional de San Martin, Argentina | Heat conducting fluids in domains with open boundaries. |
Wednesday, June 5 (Special Time: 10am-11am; Location, Exploratory Hall: 4106) | Tianyi Shi | Cornell University | Numerical tensor-train ranks and tensor displacement structure |
Wednesday, June 19 (Special Time: 10am-11am; Location, Exploratory Hall: 4106) | Soeren Bartels | Albert-Ludwigs-University Freiburg | Approximating gradient flow evolutions of self-avoiding inextensible curves and elastic knots |
Spring 2019
Spring 2019
Date | Name | Affiliation | Title |
Feb. 1 | Yoshitaka Saiki | Hitotsubashi University | Machine-learning construction of a model for a macroscopic fluid variable using the delay-coordinate of a scalar observable |
Feb. 15 | Bjorn Sandstede | Brown University | Geometry and analysis of localized structures |
Mar. 8 | Animesh Biswas | Iowa State University | Fractional Powers of Parabolic Operators and Master Equation |
Mar. 15 | Spring Break (No Seminar) | ||
Mar. 22 | Serkan Gugercin | Virginia Tech | Model reduction: A systems-theoretic perspective |
April 5 | East Coast Optimization Meeting | ||
April 12 | Heyrim Cho | University of Maryland | Mathematical model of Hematopoietic cell differentiation from single-cell gene sequencing data |
April 19 | Wujun Zhang | Rutgers University | A rate of convergence of numerical optimal transport problem with quadratic cost |
Fall 2018
Fall 2018
Spring 2018
Spring 2018
Fall 2017
Fall 2017
Spring 2017
Spring 2017
Date | Name | Affiliation | Title |
Feb. 3 | John P. Nolan | American University | Probabilistic and numerical aspects of stable distributions |
April 7 | Bourama Toni | Virginia State University | Nash Limit Cycles in the dynamics of America socio-cultural evolution: A game - theoretical approach |
April 14 | Jason Hindes | Naval Research Lab | Pattern Formation and Fluctuations in Complex Networks |
April 21 | Konstantin Mischaikow | Rutgers University | A Combinatorial Algebraic Topological Approach to Nonlinear Dynamics |
April 28 | Harbir Antil | George Mason University | Fractional Operators with Inhomogeneous Boundary Conditions: Analysis, Control, and Discretization |
THURSDAY, May 4, 1pm-2pm, Exploratory Hall Room 3301 (NOTE SPECIAL DATE, TIME and ROOM) | Scott Field | University of Massachusetts - Dartmouth | Fast recovery of far-field time-domain signals from near-field data |
Fall 2016
Fall 2016
Date | Name | Affiliation | Title |
Aug. 23 (TUESDAY!) | Johannes Pfefferer | Technical University Munich | Finite element error estimates for Dirichlet boundary control problems in polygonal domains |
Sept. 2 | Pablo Stinga | Iowa State University | Extension problem for fractional powers of parabolic operators and applications |
Sept. 16 | Muruhan Rathinam | UMBC | Convergence, stability and robustness of multidimensional opinion dynamics in continuous time |
Sept. 23 | Xiaofeng Ren | George Washington University | The spectrum of the torus profile to a geometric variational problem with long range interaction |
Oct. 7 | Ryan Evans | NIST | Measuring Reaction Rate Constants With Optical Biosensors |
Oct. 21 | Mahamadi Warma | University of Puerto Rico | What are the Three Classical Boundary Conditions for the Fractional Laplace Operator? |
Nov. 18 | Dominick Gallo | University of Trier | Optimal control of fractional PDEs |
Dec. 2 | Jacek Cyranka | Rutgers University | Computer proof of heteroclinic connection in one-dimensional Ohta Kawasaki diblock copolymer model |
Spring 2016
Spring 2016
Date | Name | Affiliation | Title |
Feb. 12 | John Shebalin | NASA/GMU | Large-Scale Coherent Structure in Magnetohydrodynamic Turbulence |
Feb. 19 | Pablo Venegas | University of Maryland | Optimal Control of Magnetic Nanoparticles |
Mar. 11 (Spring break) 1:30pm-2:20pm | Kaushik Dayal | Carnegie Mellon University | Multiscale Atomistics for Defects in Electronic Materials |
Mar. 11 (Spring break) 2:30pm-3:20pm | Carlos Rautenberg | Humboldt University, Berlin | A Robust Approach to Optimal Sensor Placement |
Mar. 14 (MONDAY, special date and time 11:00am-12:00) | Kelly Mcquighan | Boston University | Towards Metastability in the Burgers Equation with Periodic Boundary Conditions |
Mar. 25 | Longfei Li | RPI | A stable partitioned FSI algorithm for incompressible flow and deforming beams |
April 8 | Scott McCalla | Montana State University | Modeling crime and gangs |
April 15 | Javed Siddique | Penn State, York | Mathematical Modeling of Tear film dynamics |
April 22 | Kevin Hall | NIH | The calculus of calories: quantitative physiology of human metabolism and body weight dynamics |
Fall 2015
Fall 2015
Spring 2015
Spring 2015
Fall 2014
Fall 2014
Spring 2014
Spring 2014
Date | Name | Affiliation | Title | |
Jan. 31 | Enrique Otarola | University of Maryland | A PDE Approach to Numerical Fractional Diffusion | |
Feb. 21 | Hector Corrada Bravo | University of Maryland | Cell-specific methylation pattern reconstruction using minimum cost network flow algorithms | |
Mar. 28 | Jeff Snider/Diego Torrejon | George Mason University | Graduate Student Web Event | |
Apr. 4 | Ricardo Nochetto | University of Maryland | Discrete Geometric Gradient Flows | |
Apr. 11 | Gunay Dogan | NIST | Shape Optimization for Image Analysis | |
Apr. 25 | Kevin Carlberg | Sandia | Reduced-order modeling in uncertainty quantification: modeling and controlling error | |
May 2 (Special Time: 11am-12pm) | Sean Colbert-Kelly | NIST | A Generalized Ginzburg-Landau model in a Planar Geometry |
Fall 2013
Fall 2013
Spring 2013
Spring 2013
Fall 2012
Fall 2012
Spring 2012
Spring 2012
Date | Name | Affiliation | Title |
Feb. 24 | J. Barkley Rosser | James Madison University | Complex Ecologic-Economic Dynamics (SPECIAL ROOM: Science and Tech 1, Room 206) |
Mar. 2 | Michael Minion | University of North Carolina | Temporal Parallelization for Partial Differential Equations |
Mar. 9 | Marian Mrozek | Jagiellonian University | Towards the understanding of the homological persistence of maps |
Mar. 30 | Matthew Hendrey | George Mason University | Modeling the U.S. Housing Bubble (SPECIAL ROOM: Science and Tech 1, Room 206) |
Apr. 3 | Andy Dorsett | Wolfram Research | Mathematica 8 in Education and Research (Special Time and Room: 12:30-1:45, Research 1, Room 163) |
Apr. 6 | Andrew Corrigan | Naval Research Lab | A hybrid-grid compressible flow solver for large-scale supersonic jet noise simulations on multi-GPU clusters |
Apr. 13 | Harbir Lamba | George Mason University | Far-from-Equilibrium Dynamics in Economic and Financial Systems |
Apr. 20 | Michael Gratton | Metron, Inc. | Modeling Foams |
May 4 | Victoria Booth | University of Michigan | Dynamics of sleep-wake regulation (SPECIAL ROOM AND TIME: 11am in Science and Tech 1, Room 206 |
Fall 2011
Fall 2011
Date | Name | Affiliation | Title |
Sept. 9 | Hans Kaper | Georgetown University and Argonne National Lab | Mathematics and Climate: A New Partnership |
Sept. 23 | Carson Chow | National Institutes of Health | The dynamics of obesity |
Sept. 30 | Andrei Draganescu | UMBC | Multigrid preconditioners for linear systems arising in PDE optimization |
Oct. 7 | Zach Trautt | George Mason University | Grain Boundary Properties From Atomistic Simulations |
Oct. 14 | Sivan Leviyang | Georgetown University | Stochastic Models of HIV Infection |
Oct. 21 | Nick Gewecke | University of Delaware | Dynamics of Mushy Layers |
Oct. 28 | Ira Schwartz | NRL | The Dynamical Geometry of Epidemic Extinction |
Nov. 4 | SIAM Faculty Research Symposium | George Mason University | SIAM Student Chapter Event (SPECIAL TIME) |
Nov. 11 | John Mallet-Paret | Brown University | Recent Progress in Delay-Differential Equations |
Nov. 18 | Burt Tilley | WPI | Thermocapillary Control of Thin Fluid Sheets |
Svetlana Roudenko | George Washington University | TBA (SPECIAL TIME: 3:30 Joint with Math Colloquium) | |
Dec. 2 | Annalisa Calini | College of Charleston/National Science Foundation | Integrable dynamics of closed vortex filaments: finite-gap solutions and their linear stability |
Dec. 9 | Juan Sabuco | Universidad Rey Juan Carlos, Madrid, Spain | Partial Control of Chaotic Systems |