| 姓名 |
李中芬(Chung-Fen Lee)
查詢紙本館藏 |
畢業系所 |
數學系 |
| 論文名稱 |
非線性常微分方程式之邊界值問題的討論
(Nonlinear Boundary Value Problems for Some Ordinary Differential Equations)
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| 相關論文 | |
| 檔案 |
 [Endnote RIS 格式]
[Bibtex 格式]
 [相關文章]  [文章引用]  [完整記錄]  [館藏目錄]  至系統瀏覽論文 ( 永不開放)
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| 摘要(中) |
在本論文中，我們將討論非線性常微分方程式之邊界值問題。在第一、二章中，我們探討下列廣義的Laplacian 邊界值問題：
(g(u'))'=f(t,u(t),u'(t)), 0
u="" 屬於="" b
="" 其中b是一個適當的邊界條件。考慮不同的函數g與f，我們給定適當的充分條件而得到正解的存在性與唯一性。
="" 在第三、四章中，我們考慮下列四階微分方程式之邊界
="" 值問題：
="" u'+rf(t,u(t))="0," 0
="" b'
="" 其中b’是一個適當的邊界條件。利用定點定理，給定函數="" 的條件，我們將討論解的存在性與多重性。 |
| 摘要(英) |
In this dissertation, we will study nonlinear boundary value problems for some ordinary differential equations. In chapters 1 and 2, we study the following generalized Laplacian boundary value problems :
(g(u''))''=f(t,u(t),u''(t)), 0
We establish the solution existence and uniqueness for the problem under different conditions concerning f(t,u(t),u''(t)).
In chapters 3 and 4, we consider the following nonlinear fourth order boundary value problems :
u''+rf(t,u(t))=0, 0
Consider different conditions concerning f(t,u(t)), we study the existence and multiplicity of solutions by using fixed point theorem. |
| 關鍵字(中) |
★ 非線性常微分方程式
★ 邊界值問題
★ Laplacian 邊界值問題
★ 定點定理
★ 存在性與唯一性 |
關鍵字(英) |
★ ordinary differential equations
★ nonlinear boundary value problems
★ existence and uniqueness
★ fixed point theorem
★ Laplacian boundary value problems |
| 論文目次 |
Chapter 1. Existence and Uniqueness of Positive Solutions for Generalized Laplacian BVP''s with Sturm-Liouville Conditions ...........……….….(1)
Chapter 2. Existence of Positive Solutions for Generalized Laplacian Boundary
Value Problems ……………………………………………………...(26)
Chapter 3. Multiple Positive Solutions of Fourth Order Boundary Value
Problems ...........................................................................………......(39)
Chapter 4. Existence of Solutions for Singular Fourth Order Nonlinear
Boundary Value Problems ……………………………………….…(50) |
| 參考文獻 |
1. R. B. Agarwal and F.H. Wong, Existence of positive solutions for higher order boundary value problems, Nonlinear Studies 5, (1998) 15-24.
2. K. Deimling, Nonlinear Functional Analysis, Springer, New York, (1985).
3. Dajun Guo and V. Lakshmikantham, Nonlinear Problems in Abstract Cones,
Academic Press, 1988.
4. Vasile I. Istratescu, Fixed Point Theory, An Introduction, Dordrecht, Holland, 1981.
5. M. A. Krasnoselskii, Positive Solutions of Operator quations, Noordhoff, Groningen, 1964.
6. Ma Ruyun, Wang Haiyan, On the existence of positive solutions of fourth order ordinary differential equations, Appl. Anal., 59 (1995), 225-231
7. P. J. Y. Wong and R. P. Agarwal, Eigenvalues of boundary value problems for higher order differential equations, Mathematical Problems in Engineering, 2 (1996), 401-434.
8. Yao Qingliu, Bai Zhanbing, Existence of positive solutions of BVP for u''(t)-r h(t)f(u(t))=0, Chinese Annals of Mathematics 20A: 5 (1999), 575-578. (In Chinese)
9. Zhang Bingger, Kong Lingju, Existence of positive solutions of fourth order singular boundary value problems, Chinese Annals of Mathematics 22A: 4(2001), 397-402.(In Chinese)
10. Zhang Xiaomei, Multiple nonnegative solutions of fourth order ordinary differential equations, Ann. of Diff. Eqs., 16:4 (2000), 407-413. |
| 指導教授 |
葉哲志(Cheh-Chih Yeh)
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審核日期 |
2002-6-13 |
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