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ABSTRACT
The paper consists of two parts. In the first part an equivalence transformation is proposed that leaves invariant only the pole structure of rational matrices in the extended complex plain. In the second part, the proposed equivalence transformation is extended in order to preserve the zero structure as well.
Disclosure statement
No potential conflict of interest was reported by the authors.
Additional information
Funding
This research is co-financed by Greece and the European Union (European Social Fund- ESF) through the Operational Programme ‘Human Resources Development, Education and Lifelong Learning’ in the context of the project ‘Strengthening Human Resources Research Potential via Doctorate Research’ (MIS-5000432), implemented by the State Scholarships Foundation (IKY).