Author

Brisca Balthes

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Preprint Aug 2026

When Writing Style Drifts: Benchmarking Authorship Verification under Distribution Shifts in Genre, Time and the AI-Era

AVShift is introduced, the first German benchmark for systematically evaluating AV under multiple distribution shifts, and feature analysis reveals stylistic features that remain stable across genres, while their relative importance varies depending on the specific genre transition.

Lotta Kiefer, Brisca Balthes, Christoph Leiter et al. · 0 citations

2026

ProofTeller: Exposing Recency Bias in LLM Reasoning and Its Side Effects on Communication (Extended Abstract)

ProofTeller, a benchmark that evaluates large language models' ability to faithfully interpret its reasoning, finds a consistent near-conclusion bias: LLMs tend to focus on steps closest to the final proof conclusion rather than on the most informative ones.

Mayank Jobanputra, A. Kovtunova, Brisca Balthes et al. · Digital library · 0 citations