Scalar Flat Metrics of Eguchi-Hanson Type

We use a new method to construct a class of asymptotically locally flat, scalar flat metrics. These metrics were constructed via algebraic geometry method by LeBrun before and provide counterexamples to the generalized positive action conjecture of Hawking and Pope.

作 者： ZHANG Xiao   作者單位： Center of Mathematical Sciences, Zhejiang University, Hangzhou 310027, China;Institute of Mathematics, Academy of Mathematics and Systems Science, the Chinese Academy of Sciences, Beijing,100080, China  刊 名： 理論物理通訊（英文版）  ISTIC SCI 英文刊名： COMMUNICATIONS IN THEORETICAL PHYSICS  年，卷(期)： 2004 42(8)  分類號(hào)： O4  關(guān)鍵詞： scalar curvature   Eguchi-Hanson metric   generalized positive action conjecture  

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