Obituary: Ralph Asher Alpher, 1921-2007

Obituary: Rein Silberberg

Obituary: Richard D. Schwartz (1941-2011)

Obituary: Robert H. Koch (1929-2010)

Obituary: Thomas Gold, 1920-2004

Obituary: Thomas Julian Ahrens (1936-2010)

Obituary: William K. Rose (1935-2010)

Obituary: Wulff-Dieter Heintz, 1930-2006

Object oriented data analysis: Sets of trees

Object-image correspondence for curves under projections

Object-oriented model-driven control

Objective B-Fields and a Hitchin-Kobayashi Correspondence

Objective Bayes testing of Poisson versus inflated Poisson models

Objective Bayesian analysis under sequential experimentation

Objective comparison of mass fragmentograms by principal components analysis: method and results

Objective detection of voids and high-density structures in the first CfA redshift survey slice

Objective Earth, a planet to discover

Objective priors for the bivariate normal model

Objectives and Requirements of Unmanned Rover Exploration of the Moon

Objectives of VEGA project research