论文标题
丹尼尔·费兰德(Daniel Ferrand)的讲话
On a remark by Daniel Ferrand
论文作者
论文摘要
令$ x $为索引$ i_x $和基本线条捆绑$ \ mathcal o_x(h)$的fano三倍。我们将$μ$ -SMESISTABL-SEMISTABLE等级列为$ x $上的两个捆绑$ \ Mathcal E $,用$ C_1(\ Mathcal E)= 0 $,$ h^0(\ Mathcal E)\ ne 0 $ and $ h^1(\ Mathcal E(\ Mathcal E( - \ \ lceil \ lceil \ frac \ frac \ frac {i_x} $ $ $ $
Let $X$ be a Fano threefold with index $i_X$ and fundamental line bundle $\mathcal O_X(h)$. We classify $μ$-semistable rank two bundles $\mathcal E$ on $X$ with $c_1(\mathcal E)=0$, $h^0(\mathcal E) \ne 0$ and $h^1(\mathcal E(-\lceil\frac{i_X}{2}\rceil h))=0$.