Low-Frequency Sources of Gravitational Waves: A Tutorial

Lower bound on the mass of a black hole

Lower bound on the spectral dimension near a black hole

Lower bounds of characteristic scale of topological modification of the Newtonian gravitation

Lower Dimensional Black Holes: Inside and Out

Lower Neutrino Mass Bound from SN1987A Data and Quantum Geometry

Lowest order covariant averaging of a perturbed metric and of the Einstein tensor

Lowest order covariant averaging of a perturbed metric and of the Einstein tensor II

LQG propagator from the new spin foams

LQG propagator: III. The new vertex

LRS Bianchi Type I Models with Anisotropic Dark Energy and Constant Deceleration Parameter

LRS Bianchi Type-V Viscous Fluid Universe With a Time Dependent Cosmological Term $Λ$

Lsdiff M and the Einstein Equations

LTB solutions in Newtonian gauge: from strong to weak fields

LTB spacetimes in terms of Dirac observables

Lukewarm black holes in quadratic gravity

Luminosity distance in Swiss cheese cosmology with randomized voids. II. Magnification probability distributions

Luminosity distance-redshift relation for the LTB solution near the center

Luminosity, redshift and gas abundance in general relativistic radiation hydrodynamics

Lunar Laser Ranging - a comprehensive probe of post-Newtonian gravity