Minimal Models in Proper Birational Geometry
Shigeru Iitaka · Tokyo Journal of Mathematics · 1979
SHIGERU IITAKAFinally, we shall discuss how to determine minimal completions of a given surface $S$ with $\overline{\kappa}(S)\geqq 0$ and we shall give a precise definition of the logarithmic Chem number $\overline{c}_{1}^{2}(S)$ of a surface $S$ .