Optimal Choices of Reference for a Quasi-local Energy: Spherically Symmetric Spacetimes

Optimal Choices of Reference for Quasi-local Energy

Optimal combination of signals from co-located gravitational wave interferometers for use in searches for a stochastic background

Optimal Constraint Projection for Hyperbolic Evolution Systems

Optimal covariant fitting to a Robertson-Walker metric and smallness of backreaction

Optimal degeneracy for the signal-recycling cavity in advanced LIGO

Optimal detection of burst events in gravitational wave interferometric observatories

Optimal filtering of the LISA data

Optimal Filters for the Detection of Continuous Gravitational Waves

Optimal generalization of power filters for gravitational wave bursts, from single to multiple detectors

Optimal Light Beams and Mirror Shapes for Future LIGO Interferometers

Optimal Location of Two Laser-interferometric Detectors for Gravitational Wave Backgrounds at 100 MHz

Optimal Quantum Estimation for Gravitation

Optimal Source Tracking and Beaming of LISA

Optimal statistic for detecting gravitational wave signals from binary inspirals with LISA

Optimal strategies for gravitational wave stochastic background searches in pulsar timing data

Optimal Strategies for Sinusoidal Signal Detection

Optimal time travel in the Godel universe

Optimising LISA orbits: The projectile solution

Optimising the directional sensitivity of LISA