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math.AG2014★ 4 cited
Redundant blow-ups of rational surfaces with big anticanonical divisor
DongSeon Hwang, Jinhyung Park
We completely classify redundant blow-ups appearing in the theory of rational surfaces with big anticanonical divisor due to Sakai. In particular, we construct a rational surface w…
math.AG2014
Factorization of anticanonical maps of Fano type varieties
Sung Rak Choi, DongSeon Hwang, Jinhyung Park
The purpose of the present paper is to generalize Sakai's work on anticanonical models of rational surfaces to varieties of Fano type. We first prove a characterization of Fano typ…