Acta mathematica scientia,Series A ›› 2000, Vol. 20 ›› Issue (1): 14-24.

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THE oscillatory waves of semilear wave equations

  

  • Online:2000-01-07 Published:2000-01-07

Abstract:

Foraclassofsemilinearwaveequationsintwoorthreespacedimentions,iftheOscillatoryCauchyinitialdatahaveonenondegeneratephase,weconstructandjustifythegeometricopticsexpansionsofanyorderoftheoscillatorysolutionswithtwophases.

Key words: Nonlineargeometricoptics, Phase, Degeneratefocusing, Differentialintegralsystem.

CLC Number: 

  • 35L40
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