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Effective data reduction algorithm for topological data analysis

Author

Listed:
  • Choi, Seonmi
  • Oh, Jinseok
  • Park, Jeong Rye
  • Yang, Seung Yeop
  • Yun, Hongdae

Abstract

One of the most interesting tools that have recently entered the data science toolbox is topological data analysis (TDA). With the explosion of available data sizes and dimensions, identifying and extracting the underlying structure of a given dataset is a fundamental challenge in data science, and TDA provides a methodology for analyzing the shape of a dataset using tools and prospects from algebraic topology. However, the computational complexity makes it quickly infeasible to process large datasets, especially those with high dimensions. Here, we introduce a preprocessing strategy called the Characteristic Lattice Algorithm (CLA), which allows users to reduce the size of a given dataset as desired while maintaining geometric and topological features in order to make the computation of TDA feasible or to shorten its computation time. In addition, we derive a stability theorem and an upper bound of the barcode errors for CLA based on the bottleneck distance.

Suggested Citation

  • Choi, Seonmi & Oh, Jinseok & Park, Jeong Rye & Yang, Seung Yeop & Yun, Hongdae, 2025. "Effective data reduction algorithm for topological data analysis," Applied Mathematics and Computation, Elsevier, vol. 495(C).
    • Handle: RePEc:eee:apmaco:v:495:y:2025:i:c:s0096300325000293
    DOI: 10.1016/j.amc.2025.129302
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