A gradient-descent method selects small sets of intervals that approximate full generalized persistence diagram domains, reducing computation time severalfold with comparable classification accuracy.
Algebraic stability of zigzag persistence modules
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Sparsification of the Generalized Persistence Diagrams for Scalability through Gradient Descent
A gradient-descent method selects small sets of intervals that approximate full generalized persistence diagram domains, reducing computation time severalfold with comparable classification accuracy.