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  • Geometric and probabilistic limit theorems in topological data analysis
    Kališnik Verovšek, Sara ; Lehn, Christian ; Limic, Vlada
    We develop a general framework for the probabilistic analysis of random finite point clouds in the context of topological data analysis. We extend the notion of a barcode of a finite point cloud to ... compact metric spaces. Such a barcode lives in the completion of the space of barcodes with respect to the bottleneck distance, which is quite natural from an analytic point of view. As an application we prove that the barcodes of i.i.d. random variables sampled from a compact metric space converge to the barcode of the support of their distribution when the number of points goes to infinity. We also examine more quantitative convergence questions for uniform sampling from compact manifolds, including expectations of transforms of barcode valued random variables in Banach spaces. We believe that the methods developed here will serve as useful tools in studying more sophisticated questions in topological data analysis and related fields.
    Source: Advances in applied mathematics. - ISSN 0196-8858 (Vol. 131, Oct. 2021, art. 102244 (36 str.))
    Type of material - article, component part ; adult, serious
    Publish date - 2021
    Language - english
    COBISS.SI-ID - 76869379

    Link(s):

    https://www.sciencedirect.com/science/article/pii/S0196885821000828
    DOI

source: Advances in applied mathematics. - ISSN 0196-8858 (Vol. 131, Oct. 2021, art. 102244 (36 str.))
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