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Confidence Bands for Multiparameter Persistence Landscapes
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DOI：10.1007/978-3-032-03921-7_3.png)
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Abstract
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Multiparameter persistent homology is a generalization of classical persistent homology, a central and widely-used methodology from topological data analysis, which takes into account density estimation and is an effective tool for data analysis in the presence of noise. Similar to its classical single-parameter counterpart, however, it is challenging to compute and use in practice due to its complex algebraic construction. In this paper, we study a popular and tractable invariant for multiparameter persistent homology in a statistical setting: the multiparameter persistence landscape. We derive a functional central limit theorem for multiparameter persistence landscapes, from which we compute confidence bands, giving rise to one of the first statistical inference methodologies for multiparameter persistent homology. We provide an implementation of confidence bands and demonstrate their application in a machine learning task on synthetic data.
Keywords:
Persistent homology
Persistence landscapes
Multiparameter persistent homology
Central limit theorem
Confidence bands
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