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《Modern Economic Information》 2009-18
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Examples of Non-locally-symmetric Osserman Pseudo-Riemannian manifold

Qiao Tao Tao (Henan ,Zhen Zhou Radio and TV University 450052)  
In this paper,we give a special class of pseudo-Riemannian metrics on the four dimensional real space R4. We prove that,under some rather simple conditions,R4 together with any of these special pseudo-Riemannian metrics is a non-locally-symmetric Osserman pseudo-Riemannian manifold.
【CateGory Index】: O186.12
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