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On a question of Demailly-Peternell-Schneider

Published 9 Oct 2011 in math.AG and math.CV | (1110.1824v3)

Abstract: This note aims to give an affirmative answer to an open question posed by Demailly-Peternell-Schneider [DPS] in 2001 and recently by Peternell [P] again. Let $f:X\mapsto Y$ be a surjective morphism from a log canonical pair (X,D) onto a ${\mathbb Q}$-Gorenstein variety $Y$. If $-(K_X+D)$ is nef, we show that $-K_Y$ is pseudo-effective.

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Authors (2)

  1. Meng Chen 
  2. Qi Zhang 

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