Impact of correlated observation errors on the convergence of the conjugate gradient algorithm in variational data assimilation. - Olivier Goux; Selime Gürol; Anthony T. Weaver; Oliver Guillet; Youssef Diouane (CoRR, 2022)

Impact of correlated observation errors on the conditioning of variational data assimilation problems. - Olivier Goux; Selime Gürol; Anthony T. Weaver; Youssef Diouane; Oliver Guillet (Numer. Linear Algebra Appl., 2024)

On the impact of observation error correlations in data assimilation, with application to along-track altimeter data. - Olivier Goux; Anthony T. Weaver; Selime Gürol; Oliver Guillet; Andrea Piacentini (CoRR, 2025)