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Persistence diagrams offer a way to summarize topological and geometric properties latent in datasets. While several methods have been developed that utilize persistence diagrams in statistical inference, a full Bayesian treatment remains…

Methodology · Statistics 2019-08-08 Vasileios Maroulas , Farzana Nasrin , Christopher Oballe

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

Biological and physical systems often exhibit distinct structures at different spatial/temporal scales. Persistent homology is an algebraic tool that provides a mathematical framework for analyzing the multi-scale structures frequently…

Algebraic Topology · Mathematics 2016-02-01 Jonathan Jaquette , Miroslav Kramár

In this paper, we propose a novel framework for dynamical analysis of human actions from 3D motion capture data using topological data analysis. We model human actions using the topological features of the attractor of the dynamical system.…

Computational Geometry · Computer Science 2016-03-18 Vinay Venkataraman , Karthikeyan Natesan Ramamurthy , Pavan Turaga

Persistent homology is one of the most active branches of Computational Algebraic Topology with applications in several contexts such as optical character recognition or analysis of point cloud data. In this paper, we report on the formal…

Logic in Computer Science · Computer Science 2012-09-11 Jónathan Heras , Thierry Coquand , Anders Mörtberg , Vincent Siles

Persistent homology is a mathematical tool used for studying the shape of data by extracting its topological features. It has gained popularity in network science due to its applicability in various network mining problems, including…

Algebraic Topology · Mathematics 2023-06-21 Mehmet Emin Aktas , Thu Nguyen , Rakin Riza , Muhammad Ifte Islam , Esra Akbas

This paper contains an expository account of persistent homology and its usefulness for topological data analysis. An alternative foundation for level-set persistence is presented using sheaves and cosheaves.

Algebraic Topology · Mathematics 2015-03-05 Justin Curry

By general case we mean methods able to process simplicial sets and chain complexes not of finite type. A filtration of the object to be studied is the heart of both subjects persistent homology and spectral sequences. In this paper we…

Computational Geometry · Computer Science 2014-04-01 Ana Romero , Jónathan Heras , Julio Rubio , Francis Sergeraert

In this paper we present a new approach to computing homology (with field coefficients) and persistent homology. We use concepts from discrete Morse theory, to provide an algorithm which can be expressed solely in terms of simple graph…

Algebraic Topology · Mathematics 2012-10-26 Paweł Dłotko , Hubert Wagner

We investigate combinatorial dynamical systems on simplicial complexes considered as {\em finite topological spaces}. Such systems arise in a natural way from sampling dynamics and may be used to reconstruct some features of the dynamics…

Algebraic Topology · Mathematics 2018-07-12 Tamal K. Dey , Mateusz Juda , Tomasz Kapela , Jacek Kubica , Michal Lipinski , Marian Mrozek

A fundamental tool in topological data analysis is persistent homology, which allows extraction of information from complex datasets in a robust way. Persistent homology assigns a module over a principal ideal domain to a one-parameter…

Algebraic Topology · Mathematics 2019-06-19 Heather A. Harrington , Nina Otter , Hal Schenck , Ulrike Tillmann

We develop an axiomatic framework for persistent homology in any degree. We prove the existence and uniqueness for both a persistent version of the Eilenberg-Steenrod axioms for classical homology and a reduced version of this set of…

Algebraic Topology · Mathematics 2024-10-10 Sergio Tsuyoshi Ura , Marco Contessoto , Alice Kimie Miwa Libardi

Persistence modules are a central algebraic object arising in topological data analysis. The notion of interleaving provides a natural way to measure distances between persistence modules. We consider various classes of persistence modules,…

Algebraic Topology · Mathematics 2019-12-12 Peter Bubenik , Tane Vergili

The theory of persistence modules is an emerging field of algebraic topology which originated in topological data analysis. In these notes we provide a concise introduction into this field and give an account on some of its interactions…

Algebraic Topology · Mathematics 2021-01-26 Leonid Polterovich , Daniel Rosen , Karina Samvelyan , Jun Zhang

TDA (topological data analysis) is a relatively new area of research related to importing classical ideas from topology into the realm of data analysis. Under the umbrella term TDA, there falls, in particular, the notion of persistent…

Algebraic Topology · Mathematics 2019-06-03 Facundo Memoli , Kritika Singhal

We introduce several geometric notions, including the width of a homology class, to the theory of persistent homology. These ideas provide geometric interpretations of persistence diagrams. Indeed, we give quantitative and geometric…

Algebraic Topology · Mathematics 2022-12-27 Henry Adams , Baris Coskunuzer

Observing critical phases in lattice models is challenging due to the need to analyze the finite time or size scaling of observables. We study how the computational topology technique of persistent homology can be used to characterize…

Disordered Systems and Neural Networks · Physics 2022-09-05 Yu He , Shiqi Xia , Dimitris G. Angelakis , Daohong Song , Zhigang Chen , Daniel Leykam

In topological data analysis, persistent homology is used to study the "shape of data". Persistent homology computations are completely characterized by a set of intervals called a bar code. It is often said that the long intervals…

Computational Geometry · Computer Science 2025-02-19 Peter Bubenik , Michael Hull , Dhruv Patel , Benjamin Whittle

Persistent homology captures the evolution of topological features of a model as a parameter changes. The most commonly used summary statistics of persistent homology are the barcode and the persistence diagram. Another summary statistic,…

Methodology · Statistics 2016-04-01 Violeta Kovacev-Nikolic , Peter Bubenik , Dragan Nikolić , Giseon Heo

Topological data analysis and its main method, persistent homology, provide a toolkit for computing topological information of high-dimensional and noisy data sets. Kernels for one-parameter persistent homology have been established to…

Machine Learning · Computer Science 2019-06-06 René Corbet , Ulderico Fugacci , Michael Kerber , Claudia Landi , Bei Wang