Tuesday, June 2

IM3
Selected Numerical Algorithms for Problems of Wave Propagation

10:15 AM-12:15 PM
Room 246

This minisymposium is devoted to novel numerical algorithms selected on the basis of their impact on problems of wave propagation. The unifying theme of these algorithms is that they have their beginnings in harmonic analysis, produce results with finite but arbitrary accuracy, and are robust. The approaches and numerical techniques used in these problems are bound to have even wider impact.

Speakers will discuss fast application of the exact nonreflecting boundary conditions for the wave equation and Maxwell's equations; a stable method for the inverse scattering problem for the Helmholtz equation; a multilevel fast multipole algorithm, and related algorithms to solve for the scattering and radiation solution of electromagnetics problem involving complex structures; and applications of unequally spaced fast fourier transforms to problems of wave propagation.

10:15 Exact Nonreflecting Boundary Conditions for Time-Domain Acoustic and Electromagnetic Wave Propagation

Bradley Alpert, National Institute of Standards and Technology; Leslie Greengard, Courant Institute of Mathematical Sciences, New York University; and Thomas M. Hagstrom, University of New Mexico, Albuquerque

10:45 Recursive Linearization for Inverse Scattering

Yu Chen, Courant Institute of Mathematical Sciences, New York University

11:15 Fast Electromagnetic Scattering Algorithm Using Multilevel and Hybrid Techniques

Weng Cho Chew, V. Jandyala, J. Jin, C. C. Lu, E. Michielssen, B. Shankar, X. Sheng, J. M. Song, and J. S. Zhao, University of Illinois, Urbana

11:45 On Applications of Unequally Spaced Fast Fourier Transforms

Gregory Beylkin, Organizer

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