Limits on high-frequency gravitational wave background from its interplay with large scale magnetic fields

Limits on Kaluza-Klein Models from COBE Results

Limits on the Detectability of Cosmic Topology in Hyperbolic Universes

Limits on the Measurability of Space-time Distances in (the Semi-classical Approximation of) Quantum Gravity

Limits on the validity of the semiclassical theory

Limits to Quantum Gravity Effects from Observations of TeV Flares in Active Galaxies

Line element in quantum gravity: the examples of DSR and noncommutative geometry

Linear and Nonlinear Dynamics of Relativistic Tori

Linear and nonlinear optics of surface plasmon toy-models of black holes and wormholes

Linear Bimetric Gravitation Theory

Linear Connections and Curvature Tensors in the Geometry of Parallelizable Manifolds

Linear constraints from generally covariant systems with quadratic constraints

Linear derivative Cartan formulation of General Relativity

Linear Einstein equations and Kerr-Schild maps

Linear Form of Canonical Gravity

Linear high-resolution schemes for hyperbolic conservation laws: TVB numerical evidence

Linear perturbations for the vacuum axisymmetric Einstein equations

Linear perturbations of black holes: stability, quasi-normal modes and tails

Linear perturbations of spatially locally homogeneous spacetimes

Linear pre-metric electrodynamics and deduction of the light cone