Distortion-free progressing waves
Institut Henri Poincaré - 75231 Paris
Accepted: 20 November 1995
We discuss the possible wave fronts for distortion-free progressing waves.
PACS: 03.40.Kf – Waves and wave propagation: general mathematical aspects / 02.30.Jr – Partial differential equations / 03.50.De – Maxwell theory: general mathematical aspects
© EDP Sciences, 1996