Stationary kernels and gaussian processes on lie groups and their homogeneous spaces i: the compact case

I Azangulov, A Smolensky, A Terenin… - Journal of Machine …, 2024 - jmlr.org
Gaussian processes are arguably the most important class of spatiotemporal models within
machine learning. They encode prior information about the modeled function and can be …

Constraining Gaussian processes to systems of linear ordinary differential equations

A Besginow… - Advances in Neural …, 2022 - proceedings.neurips.cc
Data in many applications follows systems of Ordinary Differential Equations (ODEs). This
paper presents a novel algorithmic and symbolic construction for covariance functions of …

Geometric neural diffusion processes

E Mathieu, V Dutordoir, M Hutchinson… - Advances in …, 2023 - proceedings.neurips.cc
Denoising diffusion models have proven to be a flexible and effective paradigm for
generative modelling. Their recent extension to infinite dimensional Euclidean spaces has …

Gaussian processes on cellular complexes

M Alain, S Takao, B Paige, MP Deisenroth - ar** machine learning
models on graphs to account for topological inductive biases. In particular, recent attention …

An active learning based robot kinematic calibration framework using gaussian processes

E Daş, JW Burdick - 2023 IEEE International Conference on …, 2023 - ieeexplore.ieee.org
Future NASA lander missions to icy moons will require completely automated, accurate, and
data efficient calibration methods for the robot manipulator arms that sample icy terrains in …

Manifold diffusion fields

AA Elhag, Y Wang, JM Susskind… - arxiv preprint arxiv …, 2023 - arxiv.org
We present Manifold Diffusion Fields (MDF), an approach that unlocks learning of diffusion
models of data in general non-Euclidean geometries. Leveraging insights from spectral …

Isotropic gaussian processes on finite spaces of graphs

V Borovitskiy, MR Karimi… - International …, 2023 - proceedings.mlr.press
We propose a principled way to define Gaussian process priors on various sets of
unweighted graphs: directed or undirected, with or without loops. We endow each of these …

Intrinsic Gaussian Vector Fields on Manifolds

D Robert-Nicoud, A Krause, V Borovitskiy - arxiv preprint arxiv …, 2023 - arxiv.org
Various applications ranging from robotics to climate science require modeling signals on
non-Euclidean domains, such as the sphere. Gaussian process models on manifolds have …

The GeometricKernels Package: Heat and Mat\'ern Kernels for Geometric Learning on Manifolds, Meshes, and Graphs

P Mostowsky, V Dutordoir, I Azangulov… - arxiv preprint arxiv …, 2024 - arxiv.org
Kernels are a fundamental technical primitive in machine learning. In recent years, kernel-
based methods such as Gaussian processes are becoming increasingly important in …

Positive semidefinite kernels that are axially symmetric on the sphere and stationary in time: spectral and semi-spectral theory, and constructive approaches

X Emery, J Jäger, E Porcu - Stochastic Environmental Research and Risk …, 2024 - Springer
Positive semidefinite kernels on spheres cross time are on demand in spatial statistics,
machine learning and numerical analysis, motivated by applications in the climate …