Data analysis on nonstandard spaces

SF Huckemann, B Eltzner - Wiley Interdisciplinary Reviews …, 2021 - Wiley Online Library
The task to write on data analysis on nonstandard spaces is quite substantial, with a huge
body of literature to cover, from parametric to nonparametrics, from shape spaces to …

A smeary central limit theorem for manifolds with application to high-dimensional spheres

B Eltzner, SF Huckemann - 2019 - projecteuclid.org
The (CLT) central limit theorems for generalized Fréchet means (data descriptors assuming
values in manifolds, such as intrinsic means, geodesics, etc.) on manifolds from the literature …

Omnibus CLTs for Fréchet means and nonparametric inference on non-Euclidean spaces

R Bhattacharya, L Lin - Proceedings of the American Mathematical Society, 2017 - ams.org
Two central limit theorems for sample Fréchet means are derived, both significant for
nonparametric inference on non-Euclidean spaces. The first theorem encompasses and …

Convex generalized Fr\'echet means in a metric tree

G Romon, VE Brunel - arxiv preprint arxiv:2310.17435, 2023 - arxiv.org
We are interested in measures of central tendency for a population on a network, which is
modeled by a metric tree. The location parameters that we study are generalized Fr\'echet …

Tropical geometry of phylogenetic tree space: a statistical perspective

A Monod, B Lin, R Yoshida, Q Kang - arxiv preprint arxiv:1805.12400, 2018 - arxiv.org
Phylogenetic trees are the fundamental mathematical representation of evolutionary
processes in biology. They are also objects of interest in pure mathematics, such as …

Finite Sample Smeariness of Fr\'echet Means and Application to Climate

S Hundrieser, B Eltzner, SF Huckemann - arxiv preprint arxiv:2005.02321, 2020 - arxiv.org
Fr\'echet means on non-Euclidean spaces may exhibit nonstandard asymptotic rates
rendering quantile-based asymptotic inference inapplicable. We show here that this affects …

Foundations of the wald space for phylogenetic trees

J Lueg, MK Garba, TMW Nye… - Journal of the London …, 2024 - Wiley Online Library
Evolutionary relationships between species are represented by phylogenetic trees, but
these relationships are subject to uncertainty due to the random nature of evolution. A …

Fruit flies and moduli: interactions between biology and mathematics

E Miller - Notices of the AMS, 2015 - ams.org
Evolution sometimes results in discrete morphological differences among populations that
diverge from a common source. This “saltation” can occur with features quantified by …

Horoballs and the subgradient method

AS Lewis, G Lopez-Acedo, A Nicolae - arxiv preprint arxiv:2403.15749, 2024 - arxiv.org
To explore convex optimization on Hadamard spaces, we consider an iteration in the style of
a subgradient algorithm. Traditionally, such methods assume that the underlying spaces are …

Geometrical smeariness–a new phenomenon of Fréchet means

B Eltzner - Bernoulli, 2022 - projecteuclid.org
Geometrical smeariness - a new phenomenon of Frechet means Page 1 Bernoulli 28(1), 2022,
239–254 https://doi.org/10.3150/21-BEJ1340 Geometrical smeariness – a new phenomenon …