Order regularity of two-node Birkhoff interpolation with lacunary polynomials |
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| Authors: | F Palacios-Quiñonero P Rubió-Díaz JL Díaz-Barrero |
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| Institution: | Applied Mathematics III, Universitat Politècnica de Catalunya, Manresa and Barcelona, Spain |
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| Abstract: | In this short work we study the existence and uniqueness of solution for some Birkhoff interpolation problems with lacunary polynomials. First we solve the one-node problem; next we solve the two-node problem in the restricted case where one of the nodes is null. |
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