Persistence of sub-chain groups

In this work, we present a generalization of extended persistent homology to filtrations of graded sub-groups by defining relative homology in this setting. Our work provides a more comprehensive and flexible approach to get an algebraic invariant overcoming the limitations of the standard approach....

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Published in:arXiv.org 2023-10
Main Authors: Sun, Fang, Xie, Shengwen, Zhao, Xuezhi
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Language:English
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Data analysis
Graph theory
Homology
Mathematical analysis
Modules
Stability analysis
Theorems
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Xie, Shengwen
Zhao, Xuezhi
description In this work, we present a generalization of extended persistent homology to filtrations of graded sub-groups by defining relative homology in this setting. Our work provides a more comprehensive and flexible approach to get an algebraic invariant overcoming the limitations of the standard approach. The main contribution of our work is the development of a stability theorem for extended persistence modules using an extension of the definition of interleaving and the rectangle measure. This stability theorem is a crucial property for the application of mathematical tools in data analysis. We apply the stability theorem to extended persistence modules obtained from extended path homology of directed graphs and extended homology of hypergraphs, which are two important examples in topological data analysis.
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subjects Data analysis
Graph theory
Homology
Mathematical analysis
Modules
Stability analysis
Theorems
title Persistence of sub-chain groups
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