Search Results for author: Christian Fröhlich

Found 6 papers, 1 papers with code

Representation of Distribution Grid Expansion Costs in Power System Planning

no code implementations18 Oct 2023 Luis Böttcher, Christian Fröhlich, Steffen Kortmann, Simon Braun, Julian Saat, Andreas Ulbig

With the method presented in this paper, a Feasible Planning Region (FPR) is developed, which represents the operational boundaries of the distribution grids for several expansion stages and thus represents an admissible solution space for the planning of distribution grids in systemic planning approaches.

Insights From Insurance for Fair Machine Learning

no code implementations26 Jun 2023 Christian Fröhlich, Robert C. Williamson

Tracing the interaction of uncertainty, fairness and responsibility in insurance provides a fresh perspective on fairness in machine learning.

Fairness

Tailoring to the Tails: Risk Measures for Fine-Grained Tail Sensitivity

no code implementations5 Aug 2022 Christian Fröhlich, Robert C. Williamson

As a concrete example, we focus on divergence risk measures based on f-divergence ambiguity sets, which are a widespread tool used to foster distributional robustness of machine learning systems.

BIG-bench Machine Learning

Risk Measures and Upper Probabilities: Coherence and Stratification

no code implementations7 Jun 2022 Christian Fröhlich, Robert C. Williamson

Machine learning typically presupposes classical probability theory which implies that aggregation is built upon expectation.

BIG-bench Machine Learning

Teleconnection patterns of different El Niño types revealed by climate network curvature

no code implementations7 Mar 2022 Felix M. Strnad, Jakob Schlör, Christian Fröhlich, Bedartha Goswami

The diversity of El Ni\~no events is commonly described by two distinct flavors, the Eastern Pacific (EP) and Central Pacific (CP) types.

Bayesian Quadrature on Riemannian Data Manifolds

1 code implementation12 Feb 2021 Christian Fröhlich, Alexandra Gessner, Philipp Hennig, Bernhard Schölkopf, Georgios Arvanitidis

Riemannian manifolds provide a principled way to model nonlinear geometric structure inherent in data.

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