Topological Data Analysis of COVID-19 Virus Spike Proteins

05/01/2021
by   Moo K. Chung, et al.
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Topological data analysis, including persistent homology, has undergone significant development in recent years. However, due to heterogenous nature of persistent homology features that do not have one-to-one correspondence across measurements, it is still difficult to build a coherent statistical inference procedure. The paired data structure in persistent homology as birth and death events of topological features add further complexity to conducting inference. To address these current problems, we propose to analyze the birth and death events using lattice paths. The proposed lattice path method is implemented to characterize the topological features of the protein structures of corona viruses. This demonstrates new insights to building a coherent statistical inference procedure in persistent homology.

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