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检索条件"主题词=k-very ample"
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Seshadri constants and the spaces of curves with prescribed singularities and positions
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Science China Mathematics 2011年 第8期54卷 1611-1620页
作者: GAO Yun TAN Sheng-Li Department of Mathematics Shanghai Jiao Tong UniversityShanghai 200240China Department of Mathematics East China Normal UniversityShanghai 200241China
We will give optimal bounds for Seshadri constants of an ample line bundle at multiple points on a complex projective surface *** also present a solution to the long-studied classical problem on the existence of curve... 详细信息
来源: 维普期刊数据库 维普期刊数据库 同方期刊数据库 同方期刊数据库 评论
On the Cayley-Bacharach property and the construction of vector bundles
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Science China Mathematics 2011年 第9期54卷 1891-1898页
作者: SUN Hao 1,2 1 Department of Mathematics and Statistics,Huazhong Normal University,Wuhan 430079,China 2 Department of Mathematics,East China Normal University,Shanghai 200241,China Department of Mathematics and Statistics Huazhong Normal University Wuhan China Department of Mathematics East China Normal University Shanghai China
We study the Cayley-Bacharach property on complex projective smooth varieties of dimension n≥2 for zero dimensional subscheme defined by the zero set of the wedge of r-n + 1 global sections of a rank r≥n vector bund... 详细信息
来源: 维普期刊数据库 维普期刊数据库 同方期刊数据库 同方期刊数据库 评论