Nef and semiample divisors on rational surfaces
classification
🧮 math.AG
keywords
surfacesdivisorrationalsemiampleadoptalgebraicallyanticanonicalcase
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In this paper we study smooth projective rational surfaces, defined over an algebraically closed field of any characteristic, with pseudo-effective anticanonical divisor. We provide a necessary and sufficient condition in order for any nef divisor to be semiample. We adopt our criterion to investigate Mori dream surfaces in the complex case.
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