Acta mathematica scientia,Series B ›› 1983, Vol. 3 ›› Issue (1): 1-11.
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Li Zhishen
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Abstract: The uniform asymptotic expansions of solution for reduced wave equation (1) at a cusped caustic are considered in the paper, the asymptotic solution (2) on the cusped caustic is obtained by means of the method of steepest descent, which shows that the singularity of solution is enhanced by order 1/6 on the caustic.
Li Zhishen. UNIFORM ASYMPTOTIC EXPANSIONS OF SOLUTION FOR THE REDUCED WAVE EQUATION AT A CUSPED CAUSTIC[J].Acta mathematica scientia,Series B, 1983, 3(1): 1-11.
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