论文标题
NEF抗宪法捆绑包的品种的无风化问题
The Nonvanishing problem for varieties with nef anticanonical bundle
论文作者
论文摘要
我们证明，如果$（x，δ）$是三倍，具有温和的奇异性，使得$ { - }（k_x+δ）$是nef，则$ { - }（k_x+δ）$的数值类是有效的。
We prove that if $(X,Δ)$ is a threefold pair with mild singularities such that ${-}(K_X+Δ)$ is nef, then the numerical class of ${-}(K_X+Δ)$ is effective.
