The Structure of Nonsingular Polynomial Matrices. - Harald K. Wimmer (Math. Syst. Theory, 1981)

Explicit Solutions of the Matrix Equation $ sum {A^i XD_i } = C$. - Harald K. Wimmer (SIAM J. Matrix Anal. Appl., 1992)

Consistency of a pair of generalized Sylvester equations. - Harald K. Wimmer (IEEE Trans. Autom. Control., 1994)

Lattice properties of sets of semidefinite solutions of continuous-time algebraic riccati equations, . - Harald K. Wimmer (Autom., 1995)

The set of positive semidefinite solutions of the algebraic Riccati equation of discrete-time optimal control. - Harald K. Wimmer (IEEE Trans. Autom. Control., 1996)

The generalized Sylvester equation in polynomial matrices. - Harald K. Wimmer (IEEE Trans. Autom. Control., 1996)

Spectral factorizations with unmixed pole and zero sets. - Harald K. Wimmer (Autom., 1997)

Diagonal matrix solutions of a discrete-time Lyapunov inequality. - Harald K. Wimmer (IEEE Trans. Autom. Control., 1998)

(C, A)-Invariance of Modules over Principal Ideal Domains. - Naoharu Ito; Wiland Schmale; Harald K. Wimmer (SIAM J. Control. Optim., 2000)

Monotonicity of the optimal cost in the discrete-time regulator problem and Schur complements. - David J. Clements; Harald K. Wimmer (Autom., 2001)

Homomorphisms of modules associated with polynomial matrices with infinite elementary divisors. - Pudji Astuti; Harald K. Wimmer (Syst. Control. Lett., 2001)

Existence of unmixed solutions of the discrete-time algebraic Riccati equation and a nonstrictly bounded real lemma. - Harald K. Wimmer (Syst. Control. Lett., 2001)

Suboptimal Markovian smoothing estimates based on continuous curves of solutions of the algebraic Riccati inequality. - Michele Pavon; Harald K. Wimmer (Autom., 2002)

Existence and uniqueness of unmixed solutions of the discrete-time algebraic Riccati equation. - David J. Clements; Harald K. Wimmer (Syst. Control. Lett., 2003)

A class of marked invariant subspaces with an application to algebraic Riccati equations. - Pudji Astuti; Harald K. Wimmer (Autom., 2006)

A Parametrization of Solutions of the Discrete-time Algebraic Riccati Equation Based on Pairs of Opposite Unmixed Solutions. - Harald K. Wimmer (SIAM J. Control. Optim., 2006)

Inertial Signatures of Hermitian Polynomial Matrices. - Harald K. Wimmer (SIAM J. Matrix Anal. Appl., 2006)

An EnestrÖm-Kakeya Theorem for Hermitian Polynomial Matrices. - Gunther Dirr; Harald K. Wimmer (IEEE Trans. Autom. Control., 2007)

Diagonal stability of matrices with cyclic structure and the secant condition. - Harald K. Wimmer (Syst. Control. Lett., 2009)

Systems of linear difference equations with bounded and robustly bounded solutions. - Naoharu Ito; Reinhold Küstner; Harald K. Wimmer (Artif. Life Robotics, 2012)