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Suppose that two compact manifolds X, X ′ are connected by a sequence of Mukai flops. In this paper, we construct a ring isomorphism between coho-mology ring of X and X ′. Using the localization technique, we prove that the quantum corrected products on X, X ′ are the ordinary intersection products. Furthermore, X, X ′ have isomorphic Ruan cohomology. i.e.(More)
This paper obtained the switching impulse flashover characteristic of live working complex gap on extra high voltage (EHV) and ultra high voltage (UHV) high-voltage transmission lines by a large number of experiments. Based on the experimental data and the leader inception discharge model, the complex gap discharge development during the process of entering(More)
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