Yes, this most likely just means that different processes are responsible for the same outcome (i.e. becoming a blackhole), depending on the mass of the star.

Yes, this most likely just means that different processes are responsible for the same outcome (i.e. becoming a blackhole), depending on the mass of the star. Edit: see https://en.wikipedia.org/wiki/Pair-instability_supernova#250_solar_masses_or_more https://en.wikipedia.org/wiki/Pair-instability_supernova#250...