The Kähler cone of a compact hyperkähler manifold

The Kähler cone of a compact hyperkähler manifold
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紧凑型 hyperkähler 流形的 Kähler 锥体

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发表时间:
2003
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通讯作者:
D. Huybrechts
D. Huybrechts
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文献类型:
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作者:
D. Huybrechts

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 本文是[11]的续篇。我们更详细地研究了[11]中只涉及的一些问题。特别是:两个双有理紧超凯勒流形之间的关系是什么?在这样一个流形上所有Kähler类的锥的形状是什么?如何描述双有理凯勒锥?大多数结果的动机要么是成熟的二维理论,即K3曲面理论,或卡-丘三重理论和弦理论。
Abstract. This paper is a sequel to [11]. We study a number of questions only touched upon in [11] in more detail. In particular: What is the relation between two birational compact hyperkähler manifolds? What is the shape of the cone of all Kähler classes on such a manifold? How can the birational Kähler cone be described? Most of the results are motivated by either the well-established two-dimensional theory, i.e. the theory of K3 surfaces, or the theory of Calabi-Yau threefolds and string theory.