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Hadamard 流形

Posted by haifeng on 2012-03-22 19:21:28 last update 2012-03-22 19:21:28 | Edit | Answers (0)

Hadamard 流形(也称 Cartan-Hadamard流形), 是指截面曲率非正的完备单连通黎曼流形.