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Extremal solutions to fourth-order functional boundary value problems including multipoint conditions

✍ Scribed by Alberto Cabada; Rodrigo López Pouso; Feliz M. Minhós


Book ID
108226069
Publisher
Elsevier Science
Year
2009
Tongue
English
Weight
970 KB
Volume
10
Category
Article
ISSN
1468-1218

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Multiple solutions to fourth-order bound
✍ Yaqiong Cui 📂 Article 📅 2009 🏛 Elsevier Science 🌐 English ⚖ 476 KB

## a b s t r a c t In this paper, we study the existence and multiplicity of solutions to the fourth-order boundary value problem u (4) By using the critical point theory and the infinite dimensional Morse theory, we establish some conditions on f which are able to guarantee that this boundary va