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By using the cone theory, it is studied that existence of fixed points of operator $A$ without increasing property. The operator $A$ lies between operators $B_1$ and $B_2$, where $B_1, B_2$ have some increasing property. We obtain the existence of fixed points of the operator $A$ and the interval containing the fixed points. Lastly, the results are applied to a class of nonlinear integral equations. |
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Keywords:Applied mathematics; partially ordered Banach space, condensing operator, fixed point, nonlinear integral equation |
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