Nonlinear non-extensive approach for identification of structured information

Laura Rebollo-neira, A. Plastino

    Research output: Contribution to journalArticlepeer-review

    Abstract

    The problem of separating structured information representing phenomena of differing natures is considered. A structure is assumed to be independent of the others if can be represented in a complementary subspace. When the concomitant subspaces are well separated the problem is readily solvable by a linear technique. Otherwise, the linear approach fails to correctly discriminate the required information. Hence, a non-extensive approach is proposed. The resulting nonlinear technique is shown to be suitable for dealing with cases that cannot be tackled by the linear one.
    Original languageEnglish
    Pages (from-to)4703-4712
    Number of pages10
    JournalPhysica A
    Volume388
    Issue number22
    DOIs
    Publication statusPublished - 15 Nov 2009

    Bibliographical note

    NOTICE: this is the author’s version of a work that was accepted for publication in Physica A. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in Rebollo-Neira, Laura and Plastino, A. (2009). Nonlinear non-extensive approach for identification of structured information. Physica A, 388, 22, (2009) DOI: 10.1016/j.physa.2009.08.003

    Keywords

    • nonextensive nonlinear approximations
    • oblique projections
    • sparse representations

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