Second order initial value problems with
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S. Heikkilä; M. Kumpulainen
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Article
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2011
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Elsevier Science
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English
⚖ 240 KB
In this paper we derive the existence and comparison results for second order initial value problems in ordered Banach spaces. The considered problems can be implicit, singular, functional, discontinuous and nonlocal. The main tools are fixed point results in ordered spaces and the theory of locally