Ryan J Roberts

collaborators

2 papers

astro-ph.GA2026

Galaxy discs regulate the growth of supermassive black holes

Ryan J. Roberts, Jonathan J. Davies, Robert A. Crain

We examine the relationship between the mass of present-day central supermassive black holes (SMBHs, $M_{BH}$ ), and the stellar mass ( $M_{⋆}$ ) and halo mass ( $M_{200}$ ) of…

physics.geo-ph2025

Dargana: fine-tuning EarthPT for dynamic tree canopy mapping from space

Michael J. Smith, Luke Fleming, James E. Geach +3

We present Dargana, a fine-tuned variant of the EarthPT time-series foundation model that achieves specialisation using <3% of its pre-training data volume and 5% of its pre-traini…