Spectral Methods for Numerical Relativity. The Initial Data Problem

Spectral methods for the wave equation in second-order form

Spectral methods in general relativistic astrophysics

Spectral methods in general relativity -- toward the simulation of 3D-gravitational collapse of neutron stars

Spectral noncommutative geometry and quantization: a simple example

Spectral properties of acoustic black hole radiation: Broadening the horizon

Spectral Representation and the Averaging Problem in Cosmology

Spectroscopy of a Reissner-Nordström black hole via an action variable

Spectroscopy of an AdS Reissner-Nordstrom black hole

Spectroscopy of Cosmic topology

Spectroscopy of the EMDA black hole

Spectroscopy of the quantum black hole

Spectroscopy of the rotating BTZ black hole via adiabatic invariance

Spectrum and Statistical Entropy of AdS Black Holes

Spectrum of Charged Black Holes - The Big Fix Mechanism Revisited

Spectrum of Gravitational Waves in Krein Space Quantization

Spectrum of quantized black hole, correspondence principle, and holographic bound

Spectrum of radiation of a classical electron moving in the de Sitter spacetime

Spectrum of relic gravitational waves in string cosmology

Spectrum of the Volume Operator in Quantum Gravity