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1994, 04,
极小子流形的曲率拼挤
基金项目(Foundation): 国家和省自然科学基金资助项目
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DOI:
摘要:

本文用改进的Simons型不等式研究了球空间中极小子流形的数量曲率。Ricci曲率和截面曲率的拼挤问题。

关键词:
Abstract:

Study the scalar,Ricci,sectional curvature pinching problems for minimal submani-folds in a sphere by use of a improved slmons inequality.

参考文献

1ChernSS,DoCarmoM,KobayshiS.MinimalSubmanifoldsofaSpherewithSecondFundamentalformofCon-srantLength.ShiingShenChernSelectedPapers,Springer-Verlag,1978.393~4092EjiriN.CompactMininialSubmanifoldsofaSpherewithpcoitlveRicciCurvature.JMathSoc,Japan,1979,31:251~2563YauST.SubmanifoldswithConstantMeanCurvatureⅡ.AmerJMath,1975,97:76~1004ItohT.AddendunitoMyPdper“OnVeroneseManifolds.JMathSoc,Japan,1978,30:73~745ShenYB.OnIntrinsicRigidityforMinimalSubmanifoldsinaSphere.ScienceinChina,SeriesA,1989,32:769~7816ShenYB.CurvaturePinchingforThree-DimensionalMinimalSubmanifoldsinaSphere.ProcAmerMathSoc,1992,115:791~7957GauchmanH.MinimalSubmanifoldsofaSpherewithBoundedsecondFundamentalForm.TrasAmerMathSoc,1986,298:779~7918GauchmanH.PinchingTheoremsforTotallyRealMinimalSubmanifoldsofCP ̄n(c).TohokuMathJ.1989,41:249~2579LiHZ.CurvaturePinchingforbedDimensionalMinimalSubmanifoldsinaSphere.PublicationsDeL'institutMathematique,1993,53(67):122~13210LiHZ.CurvaturePinchingTheoremsforMinimalSubmanifolds.PhDThesis,NoviSadUniversity,199211LiAM,LiJM.AnIntrinsicRigidityTheoremforMininialSubmanifoldsinaSphere,ArchMath,1992,58:532~59412ShenYB,OnCurvaturePinchingforMinimalandKaehlerSubmanifoldswithIsotropicSecondFundamentalForm.ChinAnnofMath,1991,12(B):454~46313ItohT.OnVeroneseManifolds.JMaththeJapen,1975,27:497~50614LiHZ.CurvuturePinchingforTotallyRealMinimalSubmanifoldsinaComplexProjectiveSpace.RadoviMatemuticiki,1991,7:345~354

基本信息:

中图分类号:O189.33

引用信息:

[1]李海中.极小子流形的曲率拼挤[J].郑州大学学报(自然科学版),1994(04).

基金信息:

国家和省自然科学基金资助项目

发布时间:

1994-12-20

出版时间:

1994-12-20

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