Volume 40_1_(2019)_17-55

A regular threefold of general type with pg=0 and P2=12.
Ezio Stagnaro

Abstract. Following an idea of Ronconi, we construct a nonsingular, normal threefold of general type with pg=q1=q2=0 and P2=12. Similar examples in the literature have pg=q1=q2=0 and 0 ≤ P2 ≤ 8.

Rend. Mat. Appl. (7) 40 (2019) 17-55;  pdf