Structural properties of inverse linear systems. - A. Clive Pugh; Nicholas P. Karampetakis; Antonis-Ioannis G. Vardulakis; G. E. Hayton (Kybernetika, 1994)

A fundamental notion of equivalence for linear multivariable systems. - A. Clive Pugh; Nicholas P. Karampetakis; Antonis-Ioannis G. Vardulakis; G. E. Hayton (IEEE Trans. Autom. Control., 1994)

A classification of generalised state space reduction methods for linear multivariable systems. - Nicholas P. Karampetakis; Antonis-Ioannis G. Vardulakis; A. Clive Pugh (Kybernetika, 1995)

An extension of Wolovich's definition of equivalence of linear systems. - Nicholas P. Karampetakis; A. Clive Pugh; Antonis-Ioannis G. Vardulakis; G. E. Hayton (IEEE Trans. Autom. Control., 1996)

Notes on a hierarchical theory of systems and applications. - Nicholas P. Karampetakis; A. Clive Pugh; G. E. Hayton (Kybernetika, 1997)

The Computation and Application of the Generalized Inverse via Maple. - Jon Jones; Nicholas P. Karampetakis; A. Clive Pugh (J. Symb. Comput., 1998)

A spectral characterization of the behavior of discrete time AR-representations over a finite time interval. - Efstathios N. Antoniou; Antonis-Ioannis G. Vardulakis; Nicholas P. Karampetakis (Kybernetika, 1998)

Solution of discrete ARMA-representations via MAPLE. - Jon Jones; Nicholas P. Karampetakis; A. Clive Pugh (Appl. Math. Comput., 2003)

DFT calculation of the generalized and Drazin inverse of a polynomial matrix. - Nicholas P. Karampetakis; Stavros Vologiannidis (Appl. Math. Comput., 2003)

Descriptor realizations of autoregressive representations. - Nicholas P. Karampetakis (IMA J. Math. Control. Inf., 2004)

On the discretization of singular systems. - Nicholas P. Karampetakis (IMA J. Math. Control. Inf., 2004)

Inverses of Multivariable Polynomial Matrices by Discrete Fourier Transforms. - Stavros Vologiannidis; Nicholas P. Karampetakis (Multidimens. Syst. Signal Process., 2004)

Linearizations of Polynomial Matrices with Symmetries and Their Applications. - Efstathios N. Antoniou; Stavros Vologiannidis; Nicholas P. Karampetakis (ISIC, 2005)

On the Solution of the Implicit Roesser Model. - Nicholas P. Karampetakis (ISIC, 2005)

Equivalence of AR-Representations in the Light of the Impulsive-Smooth Behavior. - A. Clive Pugh; Efstathios N. Antoniou; Nicholas P. Karampetakis (CDC/ECC, 2005)

On the Computation of the GCD of 2-D Polynomials. - Panagiotis Tzekis; Nicholas P. Karampetakis; Haralambos K. Terzidis (Int. J. Appl. Math. Comput. Sci., 2007)

Descriptor systems toolbox: a Mathematica-based package for descriptor systems. - Antonis-Ioannis G. Vardulakis; Nicholas P. Karampetakis; Efstathios N. Antoniou; Stavros Vologiannidis (CACSD, 2008)

Symbolic Computations on Rings of Rational Functions and Applications in Control Engineering. - Nicholas P. Karampetakis; Efstathios N. Antoniou; Antonis-Ioannis G. Vardulakis; Stavros Vologiannidis (EUROCAST, 2009)

On the Realization Theory of Polynomial Matrices and the Algebraic Structure of Pure Generalized State Space Systems. - Antonis-Ioannis G. Vardulakis; Nicholas P. Karampetakis; Efstathios N. Antoniou; Evangelia Tictopoulou (Int. J. Appl. Math. Comput. Sci., 2009)

On the Newton multivariate polynomial interpolation with applications. - Dimitris N. Varsamis; Nicholas P. Karampetakis (nDS, 2011)

A parallel searching algorithm for the insetting procedure in Matlab Parallel Toolbox. - Dimitris N. Varsamis; Paris A. Mastorocostas; Apostolos Papakonstantinou; Nicholas P. Karampetakis (FedCSIS, 2012)

Special issue on: advances in multidimensional systems and signal processing. - Krzysztof Galkowski; Nicholas P. Karampetakis (Multidimens. Syst. Signal Process., 2012)

On the computation of the inverse of a two-variable polynomial matrix by interpolation. - Nicholas P. Karampetakis; Alexandros Evripidou (Multidimens. Syst. Signal Process., 2012)

Notions of equivalence for linear multivariable systems. - Antonis-Ioannis G. Vardulakis; Nicholas P. Karampetakis; Efstathios N. Antoniou; Stavros Vologiannidis (MED, 2013)

On the modeling of discrete time Auto-Regressive representations. - Lazaros Moysis; Nicholas P. Karampetakis (CoDIT, 2014)

Error analysis for the discretization of singular systems. - Nicholas P. Karampetakis; Anastasia Gregoriadou (MED, 2014)

Modeling of discrete time auto-regressive systems with given forward and backward behavior. - Lazaros Moysis; Nicholas P. Karampetakis (MED, 2014)

Discretization of singular systems and error estimation. - Nicholas P. Karampetakis; Rallis Karamichalis (Int. J. Appl. Math. Comput. Sci., 2014)

Reachability and controllability of discrete-time descriptor systems. - Nicholas P. Karampetakis; Anastasia Gregoriadou (Int. J. Control, 2014)

On the Newton bivariate polynomial interpolation with applications. - Dimitris N. Varsamis; Nicholas P. Karampetakis (Multidimens. Syst. Signal Process., 2014)

On the construction of a decomposable linearization of nonregular polynomial matrices. - Nicholas P. Karampetakis; Sophia D. Karathanasi (ECC, 2015)

Construction of algebraic-differential equations with given smooth and impulsive behaviour. - Nicholas P. Karampetakis (IMA J. Math. Control. Inf., 2015)

Linearization of bivariate polynomial matrices expressed in non monomial basis. - Aikaterini S. Karetsou; Nicholas P. Karampetakis (Multidimens. Syst. Signal Process., 2015)

Reachability of discrete time causal ARMA representations. - Lazaros Moysis; Nicholas P. Karampetakis (MED, 2016)

On the structural analysis of linear descriptor systems. - Sophia D. Karathanasi; Nicholas P. Karampetakis (CoDIT, 2017)

Construction of algebraic and difference equations with a prescribed solution space. - Lazaros Moysis; Nicholas P. Karampetakis (Int. J. Appl. Math. Comput. Sci., 2017)

Closed form solution for the equations of motion for constrained linear mechanical systems and generalizations: An algebraic approach. - Lazaros Moysis; Athanasios A. Pantelous; Efstathios N. Antoniou; Nicholas P. Karampetakis (J. Frankl. Inst., 2017)

Reachability and controllability of discrete time descriptor systems using the Weierstrass decomposition. - Lazaros Moysis; Ioannis Kafetzis; Nicholas P. Karampetakis (CoDIT, 2018)

On the Algebraic Structure of the Moore Penrose Inverse of Full Row or Full Column Rank Polynomial Matrices. - Ioannis Kafetzis; Nicholas P. Karampetakis (CoDIT, 2019)

Observability of linear discrete-time systems of algebraic and difference equations. - Lazaros Moysis; Nicholas P. Karampetakis; Efstathios N. Antoniou (Int. J. Control, 2019)

Stabilization of Non-Square Strictly Proper Transfer Function Matrices. - Ioannis S. Kafetzis; Nicholas P. Karampetakis (CoDIT, 2020)

On the exact modelling of linear systems. - Georgia G. Pechlivanidou; Nicholas P. Karampetakis (IMA J. Math. Control. Inf., 2020)

On conditions guaranteeing two rational matrices possess identical pole/zero structure. - Ioannis S. Kafetzis; Nicholas P. Karampetakis (Int. J. Control, 2021)

Reachability of discrete time ARMA representations. - Lazaros Moysis; Nicholas P. Karampetakis (IMA J. Math. Control. Inf., 2021)

Polynomial matrix equivalences: system transformations and structural invariants. - Stavros Vologiannidis; Efstathios N. Antoniou; Nicholas P. Karampetakis; Antonis-Ioannis G. Vardulakis (IMA J. Math. Control. Inf., 2021)

An algorithm for two-variable rational interpolation suitable for matrix manipulations with the evaluation-interpolation method. - Katerina G. Hadjifotinou; Nicholas P. Karampetakis (Numer. Linear Algebra Appl., 2021)

On the algebraic structure of the Moore-Penrose inverse of a polynomial matrix. - Ioannis S. Kafetzis; Nicholas P. Karampetakis (IMA J. Math. Control. Inf., 2022)

Zero-order hold discretization of general state space systems with input delay. - Georgia G. Pechlivanidou; Nicholas P. Karampetakis (IMA J. Math. Control. Inf., 2022)

On the Stabilization of Singular, Strictly Proper Transfer Function Matrices. - Ioannis Kafetzis; Nicholas P. Karampetakis (SIAM J. Control. Optim., 2023)