Wasserstein distances, geodesics and barycenters of merge trees

M Pont, J Vidal, J Delon, J Tierny - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
This paper presents a unified computational framework for the estimation of distances,
geodesics and barycenters of merge trees. We extend recent work on the edit distance 104 …

Principal geodesic analysis of merge trees (and persistence diagrams)

M Pont, J Vidal, J Tierny - IEEE Transactions on Visualization …, 2022 - ieeexplore.ieee.org
This article presents a computational framework for the Principal Geodesic Analysis of
merge trees (MT-PGA), a novel adaptation of the celebrated Principal Component Analysis …

A structural average of labeled merge trees for uncertainty visualization

L Yan, Y Wang, E Munch… - IEEE transactions on …, 2019 - ieeexplore.ieee.org
Physical phenomena in science and engineering are frequently modeled using scalar fields.
In scalar field topology, graph-based topological descriptors such as merge trees, contour …

Decorated merge trees for persistent topology

J Curry, H Hang, W Mio, T Needham… - Journal of Applied and …, 2022 - Springer
This paper introduces decorated merge trees (DMTs) as a novel invariant for persistent
spaces. DMTs combine both π 0 and H n information into a single data structure that …

Merge Tree Geodesics and Barycenters with Path Mappings

F Wetzels, M Pont, J Tierny… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
Comparative visualization of scalar fields is often facilitated using similarity measures such
as edit distances. In this paper, we describe a novel approach for similarity analysis of scalar …

Locally persistent categories and metric properties of interleaving distances

LN Scoccola - 2020 - search.proquest.com
This thesis presents a uniform treatment of different distances used in the applied topology
literature. We introduce the notion of a locally persistent category, which is a category with a …

Geometry-aware merge tree comparisons for time-varying data with interleaving distances

L Yan, TB Masood, F Rasheed, I Hotz… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
Merge trees, a type of topological descriptors, serve to identify and summarize the
topological characteristics associated with scalar fields. They have great potential for …

The Gromov-Hausdorff distance between ultrametric spaces: its structure and computation

F Mémoli, Z Smith, Z Wan - arXiv preprint arXiv:2110.03136, 2021 - arxiv.org
The Gromov-Hausdorff distance ($ d_\mathrm {GH} $) provides a natural way of quantifying
the dissimilarity between two given metric spaces. It is known that computing $ d_\mathrm …

Algebraic and geometric models for space networking

W Bernardoni, R Cardona, J Cleveland, J Curry… - arXiv preprint arXiv …, 2023 - arxiv.org
In this paper we introduce some new algebraic and geometric perspectives on networked
space communications. Our main contribution is a novel definition of a time-varying graph …

Sketching merge trees for scientific visualization

M Li, S Palande, L Yan, B Wang - 2023 Topological Data …, 2023 - ieeexplore.ieee.org
Merge trees are a type of topological descriptors that record the connectivity among the
sublevel sets of scalar fields. They are among the most widely used topological tools in …