Unirational Surfaces on the Noether Line
arXiv:0805.3986
Abstract
We show that among simply connected surfaces of general type unirationality is a common feature, even when fixing the positive characteristic or numerical invariants. To do so, we construct unirational Horikawa surfaces in abundance.
12 pages, 1 table; final version: corrected some typos, added details concerning Theorem 8, rephrased section 6