关于不规则曲面的拓扑指数
On the topological index of irregular surfaces
摘要:
本文研究了一类不规则曲面的拓扑指数,称之为广义拉格朗日。我们证明了在一定的假设下,拉格朗日系统的基轨迹的拓扑指数是非负的。对于q=4,p_g=5的一般型极小曲面,我们不作任何假设,证明了同样的结论。对高维簇给出了类似的结果。
英文摘要:
We study the topological index of some irregular surfaces that we call generalized Lagrangian. We show that under certain hypotheses on the base locus of the Lagrangian system the topological index is non-negative. For the minimal surfaces of general type with q=4 and p_g=5 we prove the same statement without any hypotheses. Some similar results for higher dimensional varieties are given.
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