Curvature Scalar
The curvature scalar is given by
where
is the Metric Tensor and 
is the Ricci Tensor.See also Curvature, Gaussian Curvature, Mean Curvature, Metric Tensor, Radius of Curvature,Ricci Tensor, Riemann-Christoffel Tensor- Lancret's Theorem
- Lanczos Approximation
- Lanczos Sigma Factor
- Landau Constant
- Landau-Kolmogorov Constants
- Landau-Ramanujan Constant
- Landau Symbol
- Landen's Formula
- Landen's Transformation
- Lane-Emden Differential Equation
- Langford's Problem
- Langlands Program
- Langlands Reciprocity
- Langton's Ant
- Laplace-Beltrami Operator
- Laplace Distribution
- Laplace Limit
- Laplace-Mehler Integral
- Laplace's Equation
- Laplace's Equation--Bipolar Coordinates
- Laplace's Equation--Bispherical Coordinates
- Laplace's Equation--Toroidal Coordinates
- Laplace Series
- Laplace's Integral
- Laplace-Stieltjes Transform