Eigendecompositions of transfer operators in reproducing kernel Hilbert spaces

S Klus, I Schuster, K Muandet - Journal of Nonlinear Science, 2020 - Springer
Transfer operators such as the Perron–Frobenius or Koopman operator play an important
role in the global analysis of complex dynamical systems. The eigenfunctions of these …

A measure-theoretic approach to kernel conditional mean embeddings

J Park, K Muandet - Advances in neural information …, 2020 - proceedings.neurips.cc
We present a new operator-free, measure-theoretic approach to the conditional mean
embedding as a random variable taking values in a reproducing kernel Hilbert space. While …

A general framework for consistent structured prediction with implicit loss embeddings

C Ciliberto, L Rosasco, A Rudi - Journal of Machine Learning Research, 2020 - jmlr.org
We propose and analyze a novel theoretical and algorithmic framework for structured
prediction. While so far the term has referred to discrete output spaces, here we consider …

A rigorous theory of conditional mean embeddings

I Klebanov, I Schuster, TJ Sullivan - SIAM Journal on Mathematics of Data …, 2020 - SIAM
Conditional mean embeddings (CMEs) have proven themselves to be a powerful tool in
many machine learning applications. They allow the efficient conditioning of probability …

Kernel conditional density operators

I Schuster, M Mollenhauer, S Klus… - International …, 2020 - proceedings.mlr.press
We introduce a novel conditional density estimationmodel termed the conditional
densityoperator (CDO). It naturally captures multivariate, multimodal output densities …

Nonparametric approximation of conditional expectation operators

M Mollenhauer, P Koltai - arXiv preprint arXiv:2012.12917, 2020 - arxiv.org
Given the joint distribution of two random variables $ X, Y $ on some second countable
locally compact Hausdorff space, we investigate the statistical approximation of the $ L^ 2 …

Predicting pharmaceutical particle size distributions using kernel mean embedding

D Van Hauwermeiren, M Stock, T De Beer, I Nopens - Pharmaceutics, 2020 - mdpi.com
In the pharmaceutical industry, the transition to continuous manufacturing of solid dosage
forms is adopted by more and more companies. For these continuous processes, high …

Singular value decomposition of operators on reproducing kernel Hilbert spaces

M Mollenhauer, I Schuster, S Klus, C Schütte - … on the occasion of his 60th …, 2020 - Springer
Abstract Reproducing kernel Hilbert spaces (RKHSs) play an important role in many
statistics and machine learning applications ranging from support vector machines to …

Active learning of conditional mean embeddings via bayesian optimisation

SR Chowdhury, R Oliveira… - … on Uncertainty in …, 2020 - proceedings.mlr.press
We consider the problem of sequentially optimising the conditional expectation of an
objective function, with both the conditional distribution and the objective function assumed …

Simulator calibration under covariate shift with kernels

K Kisamori, M Kanagawa… - … Conference on Artificial …, 2020 - proceedings.mlr.press
We propose a novel calibration method for computer simulators, dealing with the problem of
covariate shift. Covariate shift is the situation where input distributions for training and test …