Minimal Square Spectral Factors via Triples. - Mark A. Petersen; André C. M. Ran (SIAM J. Matrix Anal. Appl., 2001)

On systems and control concepts in linear interest rate theory. - Mark A. Petersen (ECC, 2003)

Inner-outer factorization for nonlinear noninvertible systems. - Joseph A. Ball; Mark A. Petersen; Arjan van der Schaft (IEEE Trans. Autom. Control., 2004)

Nonsquare spectral factorization for nonlinear control systems. - Mark A. Petersen; A. J. van der Schaft (IEEE Trans. Autom. Control., 2005)