The Lemaitre Model and the Generalisation of the Cosmic Mass
The Lemaitre-Schwarzschild Problem Revisited
The length operator in Loop Quantum Gravity
The Lense--Thirring Effect and Mach's Principle
The Lense-Thirring effect and the Pioneer anomaly: Solar System tests
The Lense-Thirring effect in the Jovian system of the Galilean satellites and its measurability
The Letelier-Gal'tsov spacetime revisited
The Levi-Civita spacetime
The Levi-Civita spacetime as a limiting case of the Gamma spacetime
The Life and Times of Extremal Black Holes
The Lifshitz-Khalatnikov Kasner index parametrization and the Weyl Tensor
The light cone at infinity
The light speed barrier: Bending the rules
The light-cone theorem
The lightcone of Gödel-like spacetimes
The limit space of a Cauchy sequence of globally hyperbolic spacetimes
The limiting behavior of the Liu-Yau quasi-local energy
The Limits of Information
The Linet-Tian solution with a positive cosmological constant in four and higher dimensions
The Link between General Relativity and Shape Dynamics