Polya conditions for multivariate Birkhoff interpolation: from general to rectangular sets of nodes

M. Crainic, N. Crainic

    Research output: Contribution to journalArticleAcademicpeer-review

    Abstract

    Polya conditions are certain algebraic inequalities that regular Birkhoff interpolation schemes must satisfy, and they are useful in deciding if a given scheme is regular or not. Here we review the classical Polya condition and then we show how it can be strengthened in the case of rectangular nodes.
    Original languageEnglish
    Pages (from-to)9-18
    Number of pages10
    JournalActa Mathematica Universitatis Comenianae
    Volume79
    Issue number1
    Publication statusPublished - 2010

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