86 citations · 163 across the 22 of their papers we have counts for
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math.AP2012★ 9 cited
Semilinear geometric optics with boundary amplification
Jean-Francois Coulombel, Olivier Guès, Mark Williams
We study weakly stable semilinear hyperbolic boundary value problems with highly oscillatory data. Here weak stability means that exponentially growing modes are absent, but the so…
math.AP2012
Singular pseudodifferential calculus for wavetrains and pulses
Jean-Francois Coulombel, Olivier Guès, Mark Williams
We develop a singular pseudodifferential calculus. The symbols that we consider do not satisfy the standard decay with respect to the frequency variables. We thus adopt a strategy…