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- W2138934668 abstract "Let<mml:math xmlns:mml=http://www.w3.org/1998/Math/MathML alttext=$(X,Delta)$><mml:mrow><mml:mrow><mml:mo>(</mml:mo><mml:mrow><mml:mi>X</mml:mi><mml:mo>,</mml:mo><mml:mi>Δ</mml:mi></mml:mrow><mml:mo>)</mml:mo></mml:mrow></mml:mrow></mml:math>be a<mml:math xmlns:mml=http://www.w3.org/1998/Math/MathML alttext=$4$><mml:mn>4</mml:mn></mml:math>-dimensional log variety which is proper over the field of complex numbers and with only divisorial log terminal singularities. The log canonical divisor<mml:math xmlns:mml=http://www.w3.org/1998/Math/MathML alttext=$K_X+Delta$><mml:mrow><mml:msub><mml:mi>K</mml:mi><mml:mi>X</mml:mi></mml:msub><mml:mo>+</mml:mo><mml:mi>Δ</mml:mi></mml:mrow></mml:math>is semiample, if it is numerically effective (NEF) and the Iitaka dimension<mml:math xmlns:mml=http://www.w3.org/1998/Math/MathML alttext=$kappa(X,K_X+Delta)$><mml:mrow><mml:mi>κ</mml:mi><mml:mrow><mml:mo>(</mml:mo><mml:mrow><mml:mi>X</mml:mi><mml:mo>,</mml:mo><mml:msub><mml:mi>K</mml:mi><mml:mi>X</mml:mi></mml:msub><mml:mo>+</mml:mo><mml:mi>Δ</mml:mi></mml:mrow><mml:mo>)</mml:mo></mml:mrow></mml:mrow></mml:math>is strictly positive. For the proof, we use Fujino's abundance theorem for semi-log canonical threefolds." @default.
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- W2138934668 date "2002-01-01" @default.
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- W2138934668 title "On numerically effective log canonical divisors" @default.
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- W2138934668 doi "https://doi.org/10.1155/s0161171202012450" @default.
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