On the effectiveness of persistent homology

R Turkes, GF Montufar, N Otter - Advances in Neural …, 2022 - proceedings.neurips.cc
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 …

Noise robustness of persistent homology on greyscale images, across filtrations and signatures

R Turkeš, J Nys, T Verdonck, S Latré - Plos one, 2021 - journals.plos.org
Topological data analysis is a recent and fast growing field that approaches the analysis of
datasets using techniques from (algebraic) topology. Its main tool, persistent homology (PH) …

Nonembeddability of persistence diagrams with 𝑝> 2 Wasserstein metric

A Wagner - Proceedings of the American Mathematical Society, 2021 - ams.org
Persistence diagrams do not admit an inner product structure compatible with any
Wasserstein metric. Hence, when applying kernel methods to persistence diagrams, the …

Strong topology on the set of persistence diagrams

V Kiosak, A Savchenko, M Zarichnyi - arXiv preprint arXiv:2005.10773, 2020 - arxiv.org
We endow the set of persistence diagrams with the strong topology (the topology of
countable direct limit of increasing sequence of bounded subsets considered in the …

The space of persistence diagrams on 𝑛 points coarsely embeds into Hilbert space

A Mitra, Ž Virk - Proceedings of the American Mathematical Society, 2021 - ams.org
We prove that the space of persistence diagrams on $ n $ points (with the bottleneck or a
Wasserstein distance) coarsely embeds into Hilbert space by showing it is of asymptotic …

Signatures, lipschitz-free spaces, and paths of persistence diagrams

C Giusti, D Lee - SIAM Journal on Applied Algebra and Geometry, 2023 - SIAM
Paths of persistence diagrams provide a summary of the dynamic topological structure of a
one-parameter family of metric spaces. These summaries can be used to study and …

Enhancing the Vietoris–Rips simplicial complex for topological data analysis: applications in cancer gene expression datasets

L Mashatola, Z Kader, N Abdulla, M Kaur - International Journal of Data …, 2024 - Springer
The aim of this study is to enhance the extraction of informative features from complex data
through the application of topological data analysis (TDA) using novel topological …

A new measure for the attitude to mobility of Italian students and graduates: a topological data analysis approach

M Vittorietti, O Giambalvo, VG Genova… - Statistical Methods & …, 2023 - Springer
Students' and graduates' mobility is an interesting topic of discussion especially for the
Italian education system and universities. The main reasons for migration and for the so …

Topological data analysis of time series data for B2B customer relationship management

R Rivera-Castro, P Pilyugina, A Pletnev… - arXiv preprint arXiv …, 2019 - arxiv.org
Topological Data Analysis (TDA) is a recent approach to analyze data sets from the
perspective of their topological structure. Its use for time series data has been limited to the …

Topology-based clusterwise regression for user segmentation and demand forecasting

R Rivera-Castro, A Pletnev, P Pilyugina… - … Conference on Data …, 2019 - ieeexplore.ieee.org
Topological Data Analysis (TDA) is a recent approach to analyze data sets from the
perspective of their topological structure. Its use for time series data has been limited. In this …