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Persistent Homology is a widely used topological data analysis tool that creates a concise description of the topological properties of a point cloud based on a specified filtration. Most filtrations used for persistent homology depend…

Algebraic Topology · Mathematics 2024-06-05 Vincent P. Grande , Michael T. Schaub

Visualization in the emerging field of topological data analysis has progressed from persistence barcodes and persistence diagrams to display of two-parameter persistent homology. Although persistence barcodes and diagrams have permitted…

Applications · Statistics 2019-01-08 Raoul R. Wadhwa , Andrew Dhawan , Drew F. K. Williamson , Jacob G. Scott

Understanding the structure of high-dimensional data is fundamental to neuroscience and other data-intensive scientific fields. While persistent homology effectively identifies basic topological features such as "holes," it lacks the…

Algebraic Topology · Mathematics 2025-07-16 Ekaterina S. Ivshina , Galit Anikeeva , Ling Zhou

Persistent Homology (PH) is a fundamental tool in computational topology, designed to uncover the intrinsic geometric and topological features of data across multiple scales. Originating within the broader framework of Topological Data…

Algebraic Topology · Mathematics 2025-05-13 Aurelie Jodelle Kemme , Collins Amburo Agyingi

We develop an analysis pipeline for characterizing the topology of large scale structure and extracting cosmological constraints based on persistent homology. Persistent homology is a technique from topological data analysis that quantifies…

Cosmology and Nongalactic Astrophysics · Physics 2021-06-14 Matteo Biagetti , Alex Cole , Gary Shiu

Long lived topological features are distinguished from short lived ones (considered as topological noise) in simplicial complexes constructed from complex networks. A new topological invariant, persistent homology, is determined and…

Mathematical Physics · Physics 2009-11-13 Danijela Horak , Slobodan Maletic , Milan Rajkovic

Topological Data Analysis has grown in popularity in recent years as a way to apply tools from algebraic topology to large data sets. One of the main tools in topological data analysis is persistent homology. This paper uses undergraduate…

Algebraic Topology · Mathematics 2024-06-26 Cheyne Glass , Elizabeth Vidaurre

Persistent homology (PH) is one of the most popular methods in Topological Data Analysis. Even though PH has been used in many different types of applications, the reasons behind its success remain elusive; in particular, it is not known…

Algebraic Topology · Mathematics 2023-01-18 Renata Turkeš , Guido Montúfar , Nina Otter

Topological data analysis combines machine learning with methods from algebraic topology. Persistent homology, a method to characterize topological features occurring in data at multiple scales is of particular interest. A major obstacle to…

Algebraic Topology · Mathematics 2019-04-25 Nello Blaser , Morten Brun

Phase separation mechanisms can produce a variety of complicated and intricate microstructures, which often can be difficult to characterize in a quantitative way. In recent years, a number of novel topological metrics for microstructures…

Numerical Analysis · Mathematics 2020-05-29 Paweł Dłotko , Thomas Wanner

Latent space matching, which consists of matching distributions of features in latent space, is a crucial component for tasks such as adversarial attacks and defenses, domain adaptation, and generative modelling. Metrics for probability…

Machine Learning · Computer Science 2025-03-05 Hiu-Tung Wong , Darrick Lee , Hong Yan

The persistence barcode is a topological descriptor of data that plays a fundamental role in topological data analysis. Given a filtration of the space of data, a persistence barcode tracks the evolution of its homological features. In this…

Computational Geometry · Computer Science 2024-09-11 Salman Parsa , Bei Wang

Geometry and topology constitute complementary descriptors of three-dimensional shape, yet existing benchmark datasets primarily capture geometric information while neglecting topological structure. This work addresses this limitation by…

Computer Vision and Pattern Recognition · Computer Science 2026-02-17 Prachi Kudeshia , Jiju Poovvancheri

Persistent homology is a natural tool for probing the topological characteristics of weighted graphs, essentially focusing on their $0$-dimensional homology. While this area has been substantially studied, we present a new approach to…

Algebraic Topology · Mathematics 2023-10-03 Omer Bobrowski , Primoz Skraba

Persistent homology is constrained to purely topological persistence while multiscale graphs account only for geometric information. This work introduces persistent spectral theory to create a unified low-dimensional multiscale paradigm for…

Combinatorics · Mathematics 2019-12-13 Rui Wang , Duc Duy Nguyen , Guo-Wei Wei

A method is presented for the distributed computation of persistent homology, based on an extension of the generalized Mayer-Vietoris principle to filtered spaces. Cellular cosheaves and spectral sequences are used to compute global…

Algebraic Topology · Mathematics 2023-08-11 Iris H. R. Yoon , Robert Ghrist

Persistent homology (PH) is a method used in topological data analysis (TDA) to study qualitative features of data that persist across multiple scales. It is robust to perturbations of input data, independent of dimensions and coordinates,…

Algebraic Topology · Mathematics 2017-09-13 Nina Otter , Mason A. Porter , Ulrike Tillmann , Peter Grindrod , Heather A. Harrington

A crucial step in the analysis of persistent homology is the transformation of data into an appropriate topological object (in our case, a simplicial complex). Modern packages for persistent homology often construct Vietoris--Rips or other…

Computational Geometry · Computer Science 2019-09-18 Michelle Feng , Mason A. Porter

Information networks are becoming increasingly popular to capture complex relationships across various disciplines, such as social networks, citation networks, and biological networks. The primary challenge in this domain is measuring…

Algebraic Topology · Mathematics 2019-07-23 Mehmet Emin Aktas , Esra Akbas , Ahmed El Fatmaoui

Understanding and predicting thermal transport in disordered materials remains a significant challenge due to the absence of periodicity and the complex nature of medium-range structural motifs. In this work, we investigate amorphous…

Materials Science · Physics 2025-12-16 Kosuke Yamazaki , Takuma Shiga , Kumpei Shiraishi , Emi Minamitani
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