期刊论文详细信息
Proceedings of the Japan Academy, Series A. Mathematical Sciences | |
Semisimple symmetric spaces without compact manifolds locally modelled thereon | |
article | |
Yosuke Morita1  | |
[1]Graduate School of Mathematical Science, The University of Tokyo | |
关键词: Local model; ðG; XÞ-structure; Clifford–Klein form; symmetric space; relative Lie algebra cohomology; invariant polynomial.; | |
DOI : 10.3792/pjaa.91.29 | |
学科分类:数学(综合) | |
来源: Japan Academy | |
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【 摘 要 】
Let $G$ be a real reductive Lie group and $H$ a closed subgroup of $G$ which is reductive in $G$. In our earlier work it was shown that, if the homomorphism $i : H^{\bullet}(\mathfrak{g}_{\mathbf{C}}, \mathfrak{h}_{\mathbf{C}}; \mathbf{C}) \to H^{\bullet}(\mathfrak{g}_{\mathbf{C}},(\mathfrak{k}_{H})_{\mathbf{C}}; \mathbf{C})$ is not injective, there does not exist a compact manifold locally modelled on $G/H$. In this paper, we give a classification of the semisimple symmetric spaces $G/H$ for which $i$ is not injective. We also study the case when $G$ cannot be realised as a linear group.【 授权许可】
Unknown
【 预 览 】
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