Quasilinearization and Rate of Convergence for Higher-Order Nonlinear Periodic Boundary-Value Problems |
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Authors: | Cabada A Nieto J J |
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Institution: | (1) Departamento de Análise Matemática, Facultade de Matemáticas, Universidade de Santiago de Compostela, Santiago de Compostela, Spain |
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Abstract: | We study the convergence of a sequence of approximate solutions for thefollowing higher-order nonlinear periodic boundary–value problem:
Here,
is such that,for some k 1,
exists and isa continuous function for i=0, 1, . . . , k. We prove thatit is possible to construct two sequences of approximate solutionsconverging to the extremal solution with rate of convergence of order k. |
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Keywords: | quasilinearization rapid convergence upper and lower solutions higher-order periodic problems |
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