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Markus Kaiser

4 accepted papers

2025

ConStellaration: A dataset of QI-like stellarator plasma boundaries and optimization benchmarks

NeurIPS 2025poster

Stellarators are magnetic confinement devices under active development to deliver steady-state carbon-free fusion energy. Their design involves a high-dimensional, constrained optimization problem that requires expensive physics simulations and significant domain expertise. Recent advances in plasma…

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2020

Compositional uncertainty in deep Gaussian processes

UAI 2020poster

Gaussian processes (GPs) are nonparametric priors over functions. Fitting a GP implies computing a posterior distribution of functions consistent with the observed data. Similarly, deep Gaussian processes (DGPs) should allow us to compute a posterior distribution of compositions of multiple function…

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2020

Modulating Surrogates for Bayesian Optimization

ICML 2020poster

Bayesian optimization (BO) methods often rely on the assumption that the objective function is well-behaved, but in practice, this is seldom true for real-world objectives even if noise-free observations can be collected. Common approaches, which try to model the objective as precisely as possible,…

2018

Bayesian Alignments of Warped Multi-Output Gaussian Processes

NeurIPS 2018poster

We propose a novel Bayesian approach to modelling nonlinear alignments of time series based on latent shared information. We apply the method to the real-world problem of finding common structure in the sensor data of wind turbines introduced by the underlying latent and turbulent wind field. The pr…

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