173 citations · 437 across the 31 of their papers we have counts for
4 papers · 1 filter
A Fast Butterfly Algorithm for the Computation of Fourier Integral Operators
Emmanuel Candes, Laurent Demanet, Lexing Ying
This paper is concerned with the fast computation of Fourier integral operators of the general form , where is a frequency variable, $Φ(x,…
Compressive Wave Computation
Laurent Demanet, Gabriel Peyré
This paper considers large-scale simulations of wave propagation phenomena. We argue that it is possible to accurately compute a wavefield by decomposing it onto a largely incomple…
Discrete Symbol Calculus
Laurent Demanet, Lexing Ying
This paper deals with efficient numerical representation and manipulation of differential and integral operators as symbols in phase-space, i.e., functions of space and frequen…
Scattering in flatland: Efficient representations via wave atoms
Laurent Demanet, Lexing Ying
This paper presents a numerical compression strategy for the boundary integral equation of acoustic scattering in two dimensions. These equations have oscillatory kernels that we r…