10 citations · 18 across the 12 of their papers we have counts for
4 papers · 1 filter
Measuring Collective Semantic Change in Populations of Language Model Agents
Elena Kopteva
Collective semantic change in populations of language model agents is a measurable dynamical phenomenon. We present a passive longitudinal instrument called Kopterix that observes…
Charged black holes embedded in matter with anisotropic pressure: Horizon Structure and Quasinormal Mode Spectra
D. N. Garzon, Jiayi Zhang, Elena Kopteva +1
In realistic settings, black holes are expected to be embedded in astrophysical environments. These environments, including possible dark matter distributions, can modify observabl…
Rater State Bias in RLHF Preference Data: An Audit Framework
Elena Kopteva, Vitaliy Hlynianyi-Zhuk
We identify a structured confound in Reinforcement Learning from Human Feedback (RLHF). Pairwise preference labels are intended to reflect the compared outputs, but they may also r…
Isotropic Coordinates for Generalized Schwarzschild-like Solutions
Zeyu Zeng, Elena Kopteva
We consider a broad class of static, spherically symmetric generalized Schwarzschild-like solutions with multiple non-interacting anisotropic fluid sources and derive the coordinat…