Relative Entropy and Error Bounds for Filtering of Markov Processes. - John M. C. Clark; D. L. Ocone; Cyril Coumarbatch (Math. Control. Signals Syst., 1999)

Exact decomposition of the algebraic Riccati equation of deterministic multimodeling optimal control problems. - Cyril Coumarbatch; Zoran Gajic (IEEE Trans. Autom. Control., 2000)

On the Singularly Perturbed Matrix Differential Riccati Equation. - Zoran Gajic; Sarah Koskie; Cyril Coumarbatch (CDC/ECC, 2005)

Two Alternative Views on Control Design with Degree Constraint. - Zoran Gajic; Sarah Koskie; Cyril Coumarbatch (CDC/ECC, 2005)

Exact slow-fast decomposition of the singularly perturbed matrix differential Riccati equation. - Sarah Koskie; Cyril Coumarbatch; Zoran Gajic (Appl. Math. Comput., 2010)