Namespaces
Variants
Actions

Difference between revisions of "Sectional curvature"

From Encyclopedia of Mathematics
Jump to: navigation, search
(Importing text file)
 
(TeX)
Line 1: Line 1:
The [[Riemannian curvature|Riemannian curvature]] of a differentiable Riemannian manifold <img align="absmiddle" border="0" src="https://www.encyclopediaofmath.org/legacyimages/s/s083/s083750/s0837501.png" /> at a point <img align="absmiddle" border="0" src="https://www.encyclopediaofmath.org/legacyimages/s/s083/s083750/s0837502.png" /> in the direction of a two-dimensional plane <img align="absmiddle" border="0" src="https://www.encyclopediaofmath.org/legacyimages/s/s083/s083750/s0837503.png" /> (in the direction of the bivector that defines <img align="absmiddle" border="0" src="https://www.encyclopediaofmath.org/legacyimages/s/s083/s083750/s0837504.png" /> at <img align="absmiddle" border="0" src="https://www.encyclopediaofmath.org/legacyimages/s/s083/s083750/s0837505.png" />).
+
{{TEX|done}}
 +
The [[Riemannian curvature|Riemannian curvature]] of a differentiable Riemannian manifold $M$ at a point $p$ in the direction of a two-dimensional plane $\alpha$ (in the direction of the bivector that defines $\alpha$ at $p\in M$).
  
  

Revision as of 19:19, 12 April 2014

The Riemannian curvature of a differentiable Riemannian manifold $M$ at a point $p$ in the direction of a two-dimensional plane $\alpha$ (in the direction of the bivector that defines $\alpha$ at $p\in M$).


Comments

References

[a1] W. Klingenberg, "Riemannian geometry" , de Gruyter (1982) (Translated from German)
How to Cite This Entry:
Sectional curvature. Encyclopedia of Mathematics. URL: http://encyclopediaofmath.org/index.php?title=Sectional_curvature&oldid=31655
This article was adapted from an original article by L.A. Sidorov (originator), which appeared in Encyclopedia of Mathematics - ISBN 1402006098. See original article