Applied Mathematics and Mechanics (English Edition) ›› 1984, Vol. 5 ›› Issue (3): 1309-1316.

• Articles • 上一篇    下一篇

BOUNDARY AND ANGULAR LAYER BEHAVIOR IN SINGU-LARLY PERTURBED SEMILINEAR SYSTEMS

章国华1, 刘光旭2   

  1. 1. Department of Mathematics and Statistics, The University of Calgary, Alberta, Canada;
    2. Department of Mathematics, Nankai University, Tianjing
  • 收稿日期:1983-07-07 出版日期:1984-05-18 发布日期:1984-05-18
  • 通讯作者: Lin Zong-chi

BOUNDARY AND ANGULAR LAYER BEHAVIOR IN SINGU-LARLY PERTURBED SEMILINEAR SYSTEMS

K.W.Chang1, G.X.Liu2   

  1. 1. Department of Mathematics and Statistics, The University of Calgary, Alberta, Canada;
    2. Department of Mathematics, Nankai University, Tianjing
  • Received:1983-07-07 Online:1984-05-18 Published:1984-05-18

摘要: Some authors employed the method and technique of differential inequalities to obtain fairly general results concerning the existence and asymptotic behavior, as ε→n+, of the solutions of scalar boundary value problems εuu=h(t,y),a<t<b,y(a,ε)=A,y(b,ε)=B. In this paper, we extend these results to vector boundary value problems, under analogous stability conditions on the solution u=xu(t) of the reduced equation 0=h(t, u) Two types of asymptotic behavior are studied, depending on whether the reduced solution u(f) has or does not have a con tinuous first derivative in (a, b) leading to the phenomena of boundary and angular layers.

关键词: Z-C-X space, separable real Banach space, random semiclosed 1-set-contractive operator, random solution, random continuous operator

Abstract: Some authors employed the method and technique of differential inequalities to obtain fairly general results concerning the existence and asymptotic behavior, as ε→n+, of the solutions of scalar boundary value problems εuu=h(t,y),a<t<b,y(a,ε)=A,y(b,ε)=B. In this paper, we extend these results to vector boundary value problems, under analogous stability conditions on the solution u=xu(t) of the reduced equation 0=h(t, u) Two types of asymptotic behavior are studied, depending on whether the reduced solution u(f) has or does not have a con tinuous first derivative in (a, b) leading to the phenomena of boundary and angular layers.

Key words: Z-C-X space, separable real Banach space, random semiclosed 1-set-contractive operator, random solution, random continuous operator

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