| Title:
|
Solvability of a generalized third-order left focal problem at resonance in Banach spaces (English) |
| Author:
|
Zhang, Youwei |
| Language:
|
English |
| Journal:
|
Mathematica Bohemica |
| ISSN:
|
0862-7959 (print) |
| ISSN:
|
2464-7136 (online) |
| Volume:
|
138 |
| Issue:
|
4 |
| Year:
|
2013 |
| Pages:
|
361-382 |
| Summary lang:
|
English |
| . |
| Category:
|
math |
| . |
| Summary:
|
This paper deals with the generalized nonlinear third-order left focal problem at resonance $$ \begin {cases} (p(t)u''(t))'-q(t)u(t)=f(t, u(t), u'(t), u''(t)), \quad t\in \mathopen ]t_0, T[, m(u(t_0), u''(t_0))=0, n(u(T), u'(T))=0, l(u(\xi ), u'(\xi ), u''(\xi ))=0, \end {cases} $$ where the nonlinear term is a Carathéodory function and contains explicitly the first and second-order derivatives of the unknown function. The boundary conditions that we study are quite general, involve a linearity and include, as particular cases, Sturm-Liouville boundary conditions. Under certain growth conditions on the nonlinearity, we establish the existence of the nontrivial solutions by using the topological degree technique as well as some recent generalizations of this technique. Our results are generalizations and extensions of the results of several authors. An application is included to illustrate the results obtained. (English) |
| Keyword:
|
Fredholm operator |
| Keyword:
|
coincidence degree |
| Keyword:
|
left focal problem |
| Keyword:
|
nontrivial solution |
| Keyword:
|
resonance |
| MSC:
|
34B15 |
| MSC:
|
47J05 |
| idZBL:
|
Zbl 06260038 |
| idMR:
|
MR3231092 |
| DOI:
|
10.21136/MB.2013.143510 |
| . |
| Date available:
|
2013-11-09T20:23:07Z |
| Last updated:
|
2020-07-29 |
| Stable URL:
|
http://hdl.handle.net/10338.dmlcz/143510 |
| . |
| Reference:
|
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| Reference:
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| Reference:
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| Reference:
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| Reference:
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