Existence Results for Solutions of Nonlinear Fractional Differential Equations
Author(s) -
Ali Yakar,
Mehmet Emir Köksal
Publication year - 2012
Publication title -
abstract and applied analysis
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.228
H-Index - 56
eISSN - 1687-0409
pISSN - 1085-3375
DOI - 10.1155/2012/267108
Subject(s) - mathematics , nonlinear system , constructive , mathematical analysis , differential equation , set (abstract data type) , physics , process (computing) , quantum mechanics , computer science , programming language , operating system
This paper deals with theoretical and constructive existence results for solutions of nonlinear fractional differential equations using the method of upper and lower solutionswhich generate a closed set. The existence of solutions for nonlinear fractional differential equations involving Riemann-Liouville differential operator in a closed set is obtained by utilizing various types of coupled upper and lower solutions. Furthermore, these results are extended to the finite systems of nonlinear fractional differential equations leading to more general results
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