Search Results for author: Reimar Leike

Found 5 papers, 0 papers with code

The Instruction Hierarchy: Training LLMs to Prioritize Privileged Instructions

no code implementations19 Apr 2024 Eric Wallace, Kai Xiao, Reimar Leike, Lilian Weng, Johannes Heidecke, Alex Beutel

Today's LLMs are susceptible to prompt injections, jailbreaks, and other attacks that allow adversaries to overwrite a model's original instructions with their own malicious prompts.

Instruction Following

Geometric variational inference

no code implementations21 May 2021 Philipp Frank, Reimar Leike, Torsten A. Enßlin

Efficiently accessing the information contained in non-linear and high dimensional probability distributions remains a core challenge in modern statistics.

Variational Inference

Optical reconstruction of dust in the region of SNR RX J1713.7-3946 from astrometric data

no code implementations29 Nov 2020 Reimar Leike, Silvia Celli, Alberto Krone-Martins, Celine Boehm, Martin Glatzle, Yasou Fukui, Hidetoshi Sano, Gavin Rowell

Finally, using the fact that the supernova remnant is expected to be located in a dusty environment and that there appears to be only one such structure in the vicinity of RX J1713. 7-3946, we set a very precise constrain to the supernova remnant distance, at ($1. 12 \pm 0. 01$) kpc.

High Energy Astrophysical Phenomena Astrophysics of Galaxies Computational Physics Data Analysis, Statistics and Probability Applications

Comparison of classical and Bayesian imaging in radio interferometry

no code implementations26 Aug 2020 Philipp Arras, Richard A. Perley, Hertzog L. Bester, Reimar Leike, Oleg Smirnov, Rüdiger Westermann, Torsten A. Enßlin

CLEAN, the commonly employed imaging algorithm in radio interferometry, suffers from a number of shortcomings: in its basic version it does not have the concept of diffuse flux, and the common practice of convolving the CLEAN components with the CLEAN beam erases the potential for super-resolution; it does not output uncertainty information; it produces images with unphysical negative flux regions; and its results are highly dependent on the so-called weighting scheme as well as on any human choice of CLEAN masks to guiding the imaging.

Instrumentation and Methods for Astrophysics Applications

Variable structures in M87* from space, time and frequency resolved interferometry

no code implementations12 Feb 2020 Philipp Arras, Philipp Frank, Philipp Haim, Jakob Knollmüller, Reimar Leike, Martin Reinecke, Torsten Enßlin

Observing the dynamics of compact astrophysical objects provides insights into their inner workings, thereby probing physics under extreme conditions.

Instrumentation and Methods for Astrophysics Astrophysics of Galaxies

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