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SUBMANIFOLDS OF PRODUCT RIEMANNIAN MANIFOLD
作者姓名:徐森林  倪轶龙
作者单位:Department of Mathematics. University of Science and Technology of China,Heifei 230026,China
摘    要:1IntroductionLetUandVbeRiemannianmanffolds,withthedimensionn1andn2respectively.UxVistheRiemannianproductofUandV.WedenotebyPandQtheprojectionmappingsofT(UxV)toTUaildTVrespectively.ThenwehaveWeputJ=P-Q.ItiseasytoseethatJ~=I.WedefineaRiemannianmetricofUxVbyg(X,Y)==g1(PX,PY) g2(QX,QY),wllereg1andg2areRiemannia11metricofUandVrespectively.ItfollowsthatBy7wedellotetheg'sLevi-Civitaconnection.ThenwecaneasilyseethatInfact,Frollltlledefillitiollofg,wecangetthatUalldVareallgeodesicsub…


SUBMANIFOLDS OF PRODUCT RIEMANNIAN MANIFOLD
XU Senlin,Ni Yilong.SUBMANIFOLDS OF PRODUCT RIEMANNIAN MANIFOLD[J].Acta Mathematica Scientia,2000,20(2).
Authors:XU Senlin  Ni Yilong
Abstract:This paper discusses submanifolds of product Riemannian manifold, and provesthat an invariant submanifold of product Riemanman manifold can be written as a production.
Keywords:Product manifold  isometric
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