The use of nonnegative garrote for order selection of ARX models. - Christian Lyzell; Jacob Roll; Lennart Ljung (CDC, 2008)

Order and structural dependence selection of LPV-ARX models using a nonnegative garrote approach. - Roland Tóth; Christian Lyzell; Martin Enqvist; Peter S. C. Heuberger; Paul M. J. Van den Hof (CDC, 2009)

Difference algebra and system identification. - Christian Lyzell; S. Torkel Glad; Martin Enqvist; Lennart Ljung (Autom., 2011)

A convex relaxation of a dimension reduction problem using the nuclear norm. - Christian Lyzell; Martin S. Andersen 001; Martin Enqvist (CDC, 2012)

Combining the Best Linear Approximation and Dimension Reduction to Identify the Linear Blocks of Parallel Wiener Systems. - Maarten Schoukens; Christian Lyzell; Martin Enqvist (ALCOSP, 2013)