EXAMPLES OF SECTIONAL CURVATURE WITH PRESCRIBED SYMMETRY ON 3{MANIFOLDS
EXAMPLES OF SECTIONAL CURVATURE WITH PRESCRIBED SYMMETRY ON 3{MANIFOLDS
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3{流形上具有指定对称性的截面曲率示例
DOI:
10.21136/cmj.1995.128512
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发表时间:
1992
期刊:
影响因子:
--
通讯作者:
Santiago de Compostela
中科院分区:
文献类型:
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作者:
L. A. Cordero;P. E. Parker;Facultad de Matem;Santiago de Compostela
In a previous paper, we determined the possi- ble pointwise symmetry groups of sectional curvature con- sidered as a rational function. We determined the naturally reductive homogeneous spaces with constant symmetry, and gave general descriptions of some examples of them. Here, we exhibit explicit forms of the metric tensors on some of these examples. We also give some inhomogeneous examples utilizing warped products, and begin the study of how the symmetry type can vary on a connected space.
DOI:
10.1017/9781009253161
发表时间:
2023-02
期刊:
--
影响因子:
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作者:
S. Hawking;G. Ellis
通讯作者:
S. Hawking;G. Ellis