Topological methods in data analysis and visualization / 6 Topological methods in data Analysis and visualization VI : theory, applications, and software / Ingrid Hotz, Talha Bin Masood, Filip Sadlo, Julien Tierny (editors) - Hotz, Ingrid; Bin Masood, Talha; Sadlo, Filip; Tierny, Julien (Topological methods in data analysis and visualization, 2021)