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Stefan Georg Sosnowski

3 accepted papers

2025

Koopman-Equivariant Gaussian Processes

AISTATS 2025poster

We propose a family of Gaussian processes (GP) for dynamical systems with linear time-invariant responses, which are nonlinear only in initial conditions. This linearity allows us to tractably quantify forecasting and representational uncertainty, simultaneously alleviating the challenge of computin…

Cited by 0SourceScholar
2024

Jacta: A Versatile Planner for Learning Dexterous and Whole-body Manipulation

CoRL 2024poster

Robotic manipulation is challenging due to discontinuous dynamics, as well as high-dimensional state and action spaces. Data-driven approaches that succeed in manipulation tasks require large amounts of data and expert demonstrations, typically from humans. Existing planners are restricted to specif…

Cited by 11SourcecodeScholar
2023

Koopman Kernel Regression

NeurIPS 2023poster

Many machine learning approaches for decision making, such as reinforcement learning, rely on simulators or predictive models to forecast the time-evolution of quantities of interest, e.g., the state of an agent or the reward of a policy. Forecasts of such complex phenomena are commonly described by…