ASYMPTOTIC SOLUTION OF SINGULAR PERTURBATION PROBLEMS FOR THE FOURTH-ORDER ELLIPTIC DIFFERENTIAL EQU

• 作 者: 苏煜城 刘国庆
• 出 处: 应用数学和力学：英文版
• 发表日期: 1990年7期
• 关键词: ELLIPTIC asymptotic estimates PERTURBED FORMAL singularly approximate CONSTANTS

In this paper we consider the singularly perturbed boundary value problem for thefourth-order elliptic differential equation,establish the energy estimates of the solutionandits derivatives and construct the formal asymptotic solution by Lyuternik-Vishik’