Kahler群的上同调限制
Cohomological restrictions on Kahler groups
摘要:
一个Kahler群的关系的个数由相应的紧致Kahler流形的生成元的个数和一些几何不变量(如不规则性、Albanese维数和Albanese亏格)来限定。上述几何不变量的适当的功能被证明是下界的贝蒂数的Kahler组的范围内,由Albanese维数。
英文摘要:
The number of the relations of a Kahler group is bounded below by the number of the generators and some geometric invariants of the corresponding compact Kahler manifold, like the irregularity, the Albanese dimension and the Albanese genera. Appropriate functions of the aforementioned geometric invariants are shown to be lower bounds for the Betti numbers of the Kahler group within the range, determined by the Albanese dimension.
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