同学你好，这是个数学上的定理，中文一般翻译为夹挤定理，请看介绍：举例说明：（资料来源：WikiMath）希望对你有帮助！
A theorem which allows the computation of the limit of an expression by trapping the expression between two other expressions which have limits that are easier to compute.See also Deleted neighborhoodthis page updated 15-jul-23 Mathwords: Terms and Formulas from Algebra I to Calculus written, ...
Pinching theorem on asymptotically hyperbolic spaces - LEUNG - 1993 () Citation Context ...ce cannot be too close at infinity to the model space. This stood as a K盲hlerian counterpart of the analogous rigidity statements proved by L. Andersson and M. Dahl [1], M. Min-Oo [9] and M...
On Pinching Theorem of Sectional Curvature on a Hypersurface with Constant Mean Curvature in Locally Symmetric Quasi-constant Curvature Space; 局部对称拟常黎曼流形中常平均曲率超曲面的截面曲率的Pinching定理 2. On Pinching Theorem of Sectional Curvature on a Hypersurface with Constant Mean Curvature in ...
H. XUKODAI MATH. J.30 (2007), 246–251L n=2 -PINCHING THEOREM FOR SUBMANIFOLDS IN A SPHEREHuiqun XuAbstractLet M n ðnb2Þ be a n-dimensional oriented closed submanifolds with parallelmean curvature in S nþp ð1Þ, denote by S, the norm square of the second fundamentalform...
Oct.2010CHINESEJOURNALOFENGINEERINGMATHEMATICSVol.27No.5ArticleID:1005-3085(2010)05-0932-07APinchingTheoremforTotallyReal ..
Theorem 1 Let Mn be an n(n≥3)-dimensional compact hypersurface in Sn+1(1). Assume that Mn has n−1 principal curvatures with the same sign everywhere. If RicM≤C−(H) and the fundamental group π1(M) of Mn is infinite, then S is constant, S=S+(H) and Mn is isometric to...
Analyzes a pinching theorem and a non-embedding theorem for submanifolds of a Riemannian manifold. Codimension of immersions; Maximum principle; Elliptic o... Ranjbar-Motlagh,Alireza - 《Boletim Da Sociedade Brasileira De Matematica》 被引量: 6发表: 2001年 de Sitter空间中具有常数量曲率的类空子流...
The second pinching theorem for hypersurfaces with constant mean curvature in a sphere We generalize the second pinching theorem for minimal hypersurfaces in a sphere due to Peng-Terng, Wei-Xu, Zhang, and Ding-Xin to the case of hypersurfaces... HW Xu,ZY Xu - 《Mathematische Annalen》 被引...
局部对称拟常黎曼流形中常平均曲率超曲面的截面曲率的Pinching定理 2. On Pinching Theorem of Sectional Curvature on a Hypersurface with Constant Mean Curvature in a Locally-Symmetric Space; 关于局部对称空间中常平均曲率超曲面的截面曲率的Pinching定理 ...