Sectional Curvature and Einstein's Equations

G. S. Hall

E-mail: gsh@maths.aberdeen.ac.uk

Abstract. Some results regarding the sectional curvature function and its relation to the metric tensor for a space-time are given. They are then used to suggest an alternative viewpoint for Einstein's general theory of relativity.

AMSclassification. 83C05

Keywords. Sectional curvature, Einstein's equations, Petrov Classification, Symmetries