Twistors, Hyper-Kaehler Manifolds, and Complex Moduli

Twistors, Hyper-Kaehler Manifolds, and Complex Moduli
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扭转器、超凯勒流形和复模

DOI:
10.1007/978-3-319-67519-0
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发表时间:
2017
期刊:
Springer INdAM series
影响因子:
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通讯作者:
LeBrun, Claude
LeBrun, Claude
中科院分区:
--
文献类型:
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作者:
LeBrun, Claude

文献摘要

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Kuranishi 的定理(Ann Math 75(2):536–577, 1962)告诉我们,任何光滑紧流形上的复杂结构的模空间总是局部有限维空间。然而,从全局来看,这根本不正确;我们展示了模空间包含局部维数趋于无穷大的区域序列的示例。这些例子自然地源自超凯勒流形的扭量理论。
A theorem of Kuranishi (Ann Math 75(2):536–577, 1962) tells us that the moduli space of complex structures on any smooth compact manifold is alwayslocallya finite-dimensional space.Globally, however, this is simply not true; we display examples in which the moduli space contains a sequence of regions for which the local dimension tends to infinity. These examples naturally arise from the twistor theory of hyper-Kähler manifolds.