We have submitted the manuscript
for publication. It is an extension of our IFAC paper
Proc. 20th IFAC World Congress 2017, pp. 7333 - 7338, Toulouse, France, 2017, ISSN: 2405-8963.
where we extended the results to the MIMO case and also fully characterize the set of indiscernible initial states. Furthermore, we present sufficient conditions for regularity preserving topological changes.
We have submitted our manuscript
Automatica, 2018, (to appear).
for publication. We hope to receive constructive reviews soon.