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Ph.D., University of Arizona 1988
Professor Aceves' research focuses on the mathematical modeling of phenomena in nonlinear optics. By using techniques from perturbation theory and asymptotic's together with numerical simulations, this research studies the pulse dynamics in nonlinear optical media. Most recent work includes light localization in optical fiber arrays, trapping of light in waveguide gratings and ultraviolet light filament formation in the atmosphere.
Besides working with his current Ph.D. students, other collaborations include scientists at the Air Force Research Laboratory, the Department of Physics and Astronomy at the University of New Mexico and with the Electromagnetism and Photonics group at the Universita di Brescia in Italy. Recent work has appeared in Physica D, Studies in Applied Mathematics, Physical Review A, and Optics Communications. For the past five years, he has been an affiliate of the Mathematical Modeling and Analysis group (T7) of the Theoretical Division at the Los Alamos National Laboratory.
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Ph.D., Northwestern, 1999
Professor Ajaev's research involves applications of asymptotic and perturbation as well as numerical methods for partial differential equations to various problems in fluid mechanics and crystal growth. Of particular interest are simulations of moving interfaces in systems with phase transitions by means of finite-difference and boundary-integral methods.
He collaborates with scientists at the University of Aix-Marseille, France, the Technical University of Darmstadt, Germany, and the Institute of Thermophysics in Novosibirsk, Russia. His published work has appeared in Annual Review of Fluid Mechanics, Journal of Fluid Mechanics, Physics of Fluids, Physical Review E, Journal of Computational Physics, Numerical Heat Transfer, Proceedings of the Royal Society A, Journal of Crystal Growth, and Journal of Colloid and Interface Science.
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Ph.D., New York University, 2006
Professor Barreiro's research is in mathematical modeling, analysis and simulation of neural networks. She is particularly interested in how network architecture and dynamics combine to produce correlated activity (or synchrony) in neural "microcircuits", and in the resulting consequences for computation. Such microcircuits form the building blocks of biological neural circuits, and thus the operation of the nervous system. The ultimate goal of this work is to give insight into the fundamental architecture of how the brain works, and it has the potential to address models of diseases that manifest as excessive synchrony, such as Parkinson's disease. Some of the tools she uses for this work are dynamical systems, probability and stochastic processes, information theory, perturbation methods and numerical simulations. She also works on models of neural integrators, which allow the brain to store evidence and memories, on numerical methods for neural population dynamics, and on analytical and computational modeling in geophysical fluid dynamics.
Professor Barreiro collaborates with both mathematicians and experimental neuroscientists at the University of Washington and other institutions. Her work has appeared in journals such as Physical Review E, Journal of Computational Neuroscience, and the Proceedings of the Royal Society of London A.
Clements Chair Professor
Ph.D., Brown University, 1989
Professor Cai’s research interest focuses on developing advanced fast machine learning, stochastic, and deterministic numerical methods to understand complex physical phenomena with a special focus on quantum phenomena, electromagnetic processes, and wave scattering in random media. He has published over 130 refereed articles in top international journals such as SIAM J. on Numerical Analysis, SIAM J. on Scientific computing, Computer Physics Communications, Journal of Computational Physics, IEEE transactions on MTT, among others, and is the author of the book "Computational Methods for Electromagnetic Phenomena: electrostatics in solvation, scattering, and electron transport" published by Cambridge University Press, 2013. He serves on the editorial boards for Communications in Computational Physics, Journal of Computational Mathematics, and Communications in Mathematics & Statistics. His research has been funded by the National Science foundation, Department of Energy, US Army Research Office, the National Institute of Health, and US Air Force Office of Scientific Research.
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Ph.D., Northwestern, 1993
Professor Carr's research focuses on the dynamics of physical systems modeled by nonlinear ordinary and partial differential equations. He uses local and global bifurcation theory, asymptotic analysis, and numerical simulation and continuation to study the system's behavior and parameter sensitivities. Of particular interest is the synchronization characteristics of coupled oscillators.
Areas of application include laser instabilities, coupled electronic circuits, and mathematical biology.
He collaborates with scientists at the U.S. Naval Research Laboratory and the Free University of Brussels, Belgium. His research has appeared in Physical Review A, Physical Review E, Physical Letters A, Chaos, Physica D, and SIAM Journal of Applied Mathematics.
Ph.D., Michigan State University, 2008
Professor Geng's research focuses on modeling problems in structural and systems biology using differential equations and integral equations, and solving these problems numerically with fast algorithms and high performance computing. Particularly, Professor Geng is interested in numerically solving interface problems described by PDEs and integral equations. These problems appear when adjacent layers with different physical, chemical, and biological properties are present. As far as the numerical algorithms are concerned, Professor Geng is interested in 1) matched interface and boundary (MIB) methods (high order, finite difference mesh-based algorithms used in solving elliptic PDEs with discontinuities and singularities); and 2) boundary integral methods combined with treecode (a fast algorithm for evaluating interactions of N-body problems) to achieve high accuracy and efficiency. Recently Professor Geng has been working on the extension of these numerical algorithms to electrodynamics and fluid mechanics for the structural biology study at the molecular level.
Professor Geng collaborates with mathematicians, computer scientists, and biologists at the Michigan State University, University of Michigan, University of Alabama, Pacific Northwest National Laboratory, and other institutions. His work has appeared in journals such as Journal of Computational Physics, Journal of Computational Chemistry, Computer Physics Communications, and Journal of Chemical Physics.
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Ph.D., California Institute of Technology, 1983
Prof. Hagstrom's research is focused on computational methods for
simulating time-domain wave propagation phenomena. Current projects
- The development and analysis of radiation boundary conditions and fast propagation algorithms for scattering problems utilizing novel plane wave representations of the wave field,
- Adaptive, high-order Hermite discretization methods on structured, composite or embedded grids,
- High-order/high-resolution discontinuous Galerkin discretization on unstructured grids utilizing polynomial and non-polynomial bases,
- Efficient time-stepping for equations with stiff components and on adapted grids.
Applications include electromagnetic and acoustic scattering, the generation of sound by unsteady and turbulent flows, gas-phase combustion, and the multi scale coupling of kinetic models, such as the Boltzmann equation, with continuum models such as the Navier-Stokes-Fourier system.
This research has been supported by the National Science Foundation, the Air Force Office of Scientific Research, the Army Research Office, and NASA. Recent publications have appeared in the SIAM Journals on Numerical Analysis, Applied Mathematics, and Scientific Computing, the Journal of Computational Physics, Communications in Applied Mathematics and Computational Science, the Journal of Computational Mathematics, and Communications in Partial Differential Equations.
Ph.D., University of Colorado at Boulder, 1996
Professor Lee’s research focuses on the mathematical modeling, numerical algorithmic development, and scientific computing of large-scale industrial and laboratory applications. His current research interests include efficient methods for the Boltzmann transport equation (neutron/photon transport), Maxwell equations (fusion), equations of elasticity (structural designs), general coupled systems of elliptic partial differential equations (uncertainty quantification), and large systems of algebraic-differential equations (electric power grid networks). Central to his research is the development of schemes that give optimal computational efficiency on serial and large-scale parallel computer platforms. Thus, an essential component of his research is computational linear algebra, particularly scalable multigrid and multilevel methods.
His current collaborations include mathematicians and physicists at the Lawrence Livermore, Pacific Northwest, and Argonne National Laboratories. His research has appeared in SIAM J. Scientific Computing, SIAM J. Numerical Analysis, Numerical Linear Algebra with Applications, Mathematics of Computation, and Electronic Transactions of Numerical Analysis. For the past 15 years, he has been affiliated with several Department of Energy national laboratories.
Ph.D., Rensselaer Polytechnic University, 1988
The primary focus of Professor Moore's research has been on developing adaptive finite element methods for solving reaction-diffusion systems in one, two, and three space dimensions. Reaction-diffusion systems appear in a variety of applications. These include models in cardiac electrophysiology such as Fitzhugh-Nagumo, Ebihara-Johnston and Luo-Rudy I, combustion, catalytic surface reactions, and pattern formation. Adaptive methods have proved effective in solving such systems increasing the reliability, robustness and efficiency of standard methods. Professor Moore was a faculty member of Tulane University for eleven years before arriving at SMU. His published work has appeared in SIAM Journal on Numerical Anaylsis, SIAM Journal of Scientific Computation, Journal of Computational Physics, BIT, Physica D, Applied Numerical Mathematics, Mathematical Biosciences and the Journal of Cardiovascular Electrophysiology.
Scott Norris, Ph.D.
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Professor Norris's research focuses on multi-scale continuum descriptions of problems at small scales in materials science, with an emphasis on thin films dominated by interfacial phenomena. This involves a variety of mathematical techniques, including continuum modeling, asymptotic and perturbation methods, linear and nonlinear stability analysis, various kinds of numerical simulation, and the extraction of meaningful statistics from large data sets. Recent specific topics of interest include the coarsening of faceted crystal films, spontaneous nanoscale pattern formation on ion-irradiated semiconductors, and the growth of nanostructured solids by means of phase separation during deposition.
Professor Norris collaborates with scientists at Harvard University, the University of Helsinki (Finland), the University of Glasgow (Scotland), the Helmholtz Center of Dresden-Rossendorf (Germany), the Ecole Polytechnique (France), and the University of Kentucky. His publications have appeared in Nature Communications, Physical Review Letters, Physical Review B and E, Journal of Applied Physics, Journal of Computational Physics, Acta Materialia, Journal of Crystal Growth, and Nuclear Instruments and Methods in Physics Research B.
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Ph.D., Rice University, 2003
Professor Reynolds' research focuses on numerical methods of relevance to large scale scientific computing applications involving the nonlinear interaction of multiple physical processes, typically modeled using systems of partial differential equations (PDE). Such work aims to allow mathematical insight and innovation to impact the physical, biological and engineering sciences through the incorporation of increased realism into mathematical modeling systems, the development of increasingly robust and accurate numerical methods for solving these mathematical models, and the invention of computational algorithms to implement these numerical methods on increasingly large-scale computational hardware.
Specifically, Professor Reynolds investigates three fundamental applied mathematics issues: accurate modeling of physical systems involving disparate time and space scales, the development and use of highly-accurate and efficient time evolution algorithms for stiff multi-rate problems, and the investigation of discretization and solution methods that retain constraint-preserving properties of PDE models. To this end, Professor Reynolds relies on his expertise in large scale parallel computation as well as a broad range of numerical analysis techniques, including space-time discretization approaches for PDE systems and iterative solution approaches for nonlinear and linear systems of equations.
Professor Reynolds collaborates with scientists at the University of California San Diego, Columbia University, SUNY Stony Brook, Lawrence Livermore National Laboratory, Princeton Plasma Physics Laboratory, the University of Neuchatel (Switzerland), and others. His published work has appeared in SIAM Journal of Scientific Computing, Journal of Computational Physics, Computational Methods in Applied Mechanics and Engineering, Continuum Mechanics and Thermodynamics, Systems and Control Letters, Future Generation Computer Systems, Lecture Notes in Computer Science, ACM Transactions on Mathematical Software, Journal of Physics: Conference Series, Proceedings of SPIE, and Proceedings of ENUMATH.
Ph.D., TU Darmstadt, Germany, 1998
Professor Rumpf's research covers topics in applied mathematics and in theoretical physics with an emphasis on statistical methods and on nonlinear dynamics. Focus of his scientific work has been the dynamics of spatially extended systems with applications in solid state physics, fluid mechanics, nonlinear optics, plasma physics and nanosystems. His special interest is the spontaneous formation of regular coherent structures from a turbulent or thermally disordered background.
Professor Rumpf collaborates with scientists from TU Chemnitz (Germany), Rensselaer Polytechnic Institute and the University of Arizona. His recent research has appeared in Physical Review Letters, Physical Review E, Europhysics Letters, Annual Reviews of Fluid Mechanics and Physica D, and he has edited a monograph on nonlinear dynamics of nanosystems.
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Ph.D., Virginia Tech University, 2005
Professor Stigler's research focuses on the development of a mathematical framework for the reverse engineering of gene networks, using computational algebra as a primary source of tools. The main tool is that of Groebner bases of polynomial ideals. The models used in this work are time- and state-discrete finite dynamical systems, described by polynomial functions over a finite field. She and collaborators have developed an algorithm for reverse engineering gene networks from experimental time series data, including concentrations of mRNAs, proteins, and/or metabolite. She has applied this method to an oxidative stress response network in yeast and developmental networks in C. elegans and the fruit fly.
She has been actively involved with the DREAM (Dialogue for Reverse Engineering Assessments and Methods) Initiative and SACNAS (Society for Advancement of Chicanos and Native Americans in Science). One of her main collaborations is with the Applied Discrete Mathematics Group at the Virginia Bioinformatics Institute. Her work has been listed as one of the top 25 Hottest Articles in Journal of Theoretical Biology.
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Ph.D., Colorado State University, 1995
Professor Tausch's research focuses on the numerical analysis of integral and partial differential equations. He has developed efficient numerical algorithms to solve problems that arise in Electromagnetics, Optics and Fluid Mechanics. He currently uses integral equation methods to solve high-dimensional parabolic equations that arise, for instance, in free surface or shape identification problems.
He has collaborated with engineers to simulate the behavior of integrated circuits, micro-mechanical devices and photonic waveguides. His software has been used in industry to help the design of semiconductor lasers with optical gratings.
His work has appeared in Mathematics as well as Engineering publications, such as, SIAM Journal of Scientific Computing, Mathematics of Computation, Computing, Journal of Numerical Mathematics, Journal of Computational Physics, Computational Mechanics, Journal of the Optical Society of America A, IEEE Transactions on Microwave Theory and Technology, IEEE Transactions on Computer-Aided Design and Inverse Problems.
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Ph.D., Cornell University, 2002
Professor Xu's research interests center on the development of computational techniques for problems in fluid mechanics and aerodynamics, including biological flows with tissues or membranes, supersonic and hypersonic turbulence with shock waves, flow control by passive means, and fluid dynamics of nature's flyers and swimmers. The present development focuses on the immersed interface method, which models solids in a fluid with singular forces and solves the fluid flow subject to the singular forces by incorporating jump conditions into numerical schemes. The method is currently used to study the wing pitch reversal and fore-hind wing interaction in dragonfly flight.
Prior to joining the faculty at SMU, Professor Xu worked for GE Energy on steam turbine aerodynamics. He also worked at Cornell University and Princeton University as a post-doctoral research associate. His published work has appeared in Journal of Computational Physics, SIAM Journal on Scientific Computing, Physics of Fluids, and Journal of Fluid Mechanics.
Ph.D., Lomonosov Moscow State University, 2004
Professor Zaslavsky's scientific interests mostly lie in the fields of model reduction, linear algebra, approximation theory, multi-scale methods, homogenization with application to solution of forward and inverse PDE problems. While most of the numerical approaches he's developed were primarily targeted to geophysical exploration, he is constantly looking for other areas of applications. In particular, dueto much in common in the nature of measurements, he has started exploring applications in radar imaging, medical imaging as well propellant tank imaging for NASA applications. Also, he is currently investigating the natural extension of his developments to the area of data science and unsupervised machine learning. A wide range of applications here includes bioinformatics, geophysics, social network studies, financial mathematics, etc.
Prof. Zaslavsky strongly believes that a good sign of novel theoretical development is that it was originally driven by application in mind. And, vice versa, it is unlikely to get a breakthrough in applications without new solid theory. Hence, he constantly tries to keep tight connections with his current collaborators from both academia and industry as well as to explore new areas and ideas for research.
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Ph.D., Rice University, 2002
Professor Zhou's research focuses on numerical linear algebra, scientific computing, and their broad range of applications; especially applications in material sciences and electrical engineering. He has developed algorithms that greatly improve the efficiency in solving large-scale eigenvalue problems arisen in density functional theory (DFT) calculations.
His current research includes extending the polynomial filtered subspace methods for generalized eigenvalue problems; improving/developing more efficient mixing-schemes for self-consistent field calculations; and extending the subspace techniques that have been successful for time-independent DFT to time-dependent DFT calculations.
His publications have appeared in Numerical Linear Algebra and Its Application, Physical Review Letters, Journal of Computational Physics, System and Control Letters, Journal of Applied Mathematics, and Computer Physics Communications.