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In [1] and [2] a new family of companion forms associated to a regular polynomial matrix T (s) has been presented, using products of permutations of n elementary matrices, generalizing similarâ€¦ (More)

- Efstathios N. Antoniou, Stavros Vologiannidis, N. P. Karampetakis
- Proceedings of the 2005 IEEE Internationalâ€¦
- 2005

In E.N. Antoniou and S. Vologiannidis ( 2004), a new family of companion forms associated to a regular polynomial matrix has been presented generalizing similar results presented by M. Fiedler in M.â€¦ (More)

- Nicholas P. Karampetakis, Stavros Vologiannidis
- Applied Mathematics and Computation
- 2003

A new algorithm is presented for the determination of the generalized inverse and the drazin inverse of a polynomial matrix. The proposed algorithms are based on the discrete Fourier transform andâ€¦ (More)

The main purpose of this work is to propose new notions of equivalence between polynomial matrices, that preserves both the finite and infinite elementary divisor structure. The approach we use isâ€¦ (More)

We present a new equivalence transformation termed divisor equivalence, that has the property of preserving both the finite and the infinite elementary divisor structures of a square non-singularâ€¦ (More)

- Stavros Vologiannidis, N. P. Karampetakis
- 2003 European Control Conference (ECC)
- 2003

Two discrete Fourier transform based algorithms are proposed for the computation of the Moore-Penrose and Drazin inverse of a multivariable polynomial matrix.

- Grigorios Tsoumakas, Apostolos N. Papadopoulos, +6 authors Stanislav Semenov
- WISE
- 2014

The WISE 2014 challenge was concerned with the task of multi-label classification of articles coming from Greek print media. Raw data comes from the scanning of print media, article segmentation, andâ€¦ (More)

- Stavros Vologiannidis, Efstathios N. Antoniou, Michalis Kasidiaris
- The 2011 International Workshop onâ€¦
- 2011

In this paper we propose a procedure to reduce a 2 - D square polynomial matrix of arbitrary degrees to matrix pencils of the form sX + ZY + A, using zero coprime equivalence. As a further step, weâ€¦ (More)

- Efstathios N. Antoniou, Stavros Vologiannidis
- 22nd Mediterranean Conference on Control andâ€¦
- 2014

In this note we propose a new approach for the construction of a parametrization of the linearizations corresponding to a given polynomial matrix. A linearization of a polynomial matrix is a firstâ€¦ (More)

- Antonis Vardulakis, N. P. Karampetakis, Efstathios N. Antoniou, Stavros Vologiannidis
- 21st Mediterranean Conference on Control andâ€¦
- 2013

The present paper is a survey on linear multivariable systems equivalences. We attempt a review of the most significant types of system equivalence having as a starting point matrix transformationsâ€¦ (More)