Black hole formation in the framework of hybrid inflation is considered. It is shown that this model of inflation provides conditions for multiple black hole production.
@article{arxiv.astro-ph/0511181,
title = {Massive Primordial Black Holes in Hybrid Inflation},
author = {S. G. Rubin},
journal= {arXiv preprint arXiv:astro-ph/0511181},
year = {2007}
}