3 papers
stat.ME2026
Robust Bayes Acts under Prior Perturbations: Contamination, Stability, and Selection Paths
Christoph Jansen, Georg Schollmeyer
This paper develops a quantitative framework to assess the robustness of Bayes-optimal decisions in finite decision problems under model uncertainty. We introduce two complementary…
cs.AI2025
Consensus in Motion: A Case of Dynamic Rationality of Sequential Learning in Probability Aggregation
Polina Gordienko, Christoph Jansen, Thomas Augustin +1
We propose a framework for probability aggregation based on propositional probability logic. Unlike conventional judgment aggregation, which focuses on static rationality, our mode…
stat.ML2025
Contributions to the Decision Theoretic Foundations of Machine Learning and Robust Statistics under Weakly Structured Information
Christoph Jansen
This habilitation thesis is cumulative and, therefore, is collecting and connecting research that I (together with several co-authors) have conducted over the last few years. Thus,…