USE OF FREQUENCY TRANSMISSION CONCEPTS IN LINEAR-MULTIVARIABLE SYSTEM-ANALYSIS by Karcanias, N, Kouvaritakis, B

ZERO TIME ADJUSTMENT OF INITIAL CONDITIONS AND ITS RELATIONSHIP TO CONTROLLABILITY SUBSPACES by Karcanias, N, Kouvaritakis, B

OUTPUT ZEROING PROBLEM AND ITS RELATIONSHIP TO THE INVARIANT ZERO STRUCTURE - MATRIX PENCIL APPROACH by Karcanias, N, Kouvaritakis, B

STRUCTURE AND SMITH-MACMILLAN FORM OF A RATIOINAL MATRIX AT INFINITY. by Vardulakis, A, Limebeer, D, Karcanias, N