Optimal limits on f_{NL}^{local} from WMAP 5-year data

Optimal linear reconstruction of dark matter from halo catalogs

Optimal Mass Configurations for Lensing High-Redshift Galaxies

Optimal Polyspectra Estimation

Optimal strategies : theoretical approaches to the parametrization of the dark energy equation of state

Optimal Time-Series Selection of Quasars

Optimal Trispectrum Estimators and WMAP Constraints

Optimising Boltzmann codes for the Planck era

Optimising cosmic shear surveys to measure modifications to gravity on cosmic scales

Optimized detection of shear peaks in weak lensing maps

Optimized Multi-Frequency Spectra for Applications in Radiative Feedback and Cosmological Reionization

Optimizing baryon acoustic oscillation surveys II: curvature, redshifts, and external datasets

Optimizing future dark energy surveys for model selection goals

Optimizing future experimental probes of inflation

Optimizing Observational Strategy for Future Fgas Constraints

Optimizing Pulsar Timing Arrays to Maximize Gravitational Wave Single Source Detection: a First Cut

Optimizing weak lensing mass estimates for cluster profile uncertainty

Optimum frequency band for radio polarisation observations

Orbit of the Large Magellanic Cloud in a Dynamical Model for the Local Group

Orbit-Based Dynamical Models of the Sombrero Galaxy (NGC 4594)