关于非退化耦合形式
On nondegenerate coupling forms
摘要:
本文的目的是研究一类新的辛胖纤维丛。我们证明了关于典型不变联络的胖向量的一般存在定理。在此基础上,我们给出了辛结构的一些构造的新证明。这包括扭量丛和局部齐次复流形。证明是概念上更简单,并允许获得更一般的结果。
英文摘要:
The aim of the present paper is to investigate new classes of symplectically fat fibre bundles. We prove a general existence theorem for fat vectors with respect to the canonical invariant connections. Based on this result we give new proofs of some constructions of symplectic structures. This includes twistor bundles and locally homogeneous complex manifolds. The proofs are conceptually simpler and allow for obtaining more general results.
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