Organizing & Scientific Committee Ι. Dimitriou, Associate Professor, Department of Mathematics, University of Ioannina, idimit@uoi.grM.-G. Stamatakis, Assistant Professor, Department of Mathematics, University of Ioannina, mgstamatakis@uoi.grG. Chasapis, Assistant Professor, Department of Mathematics, University of Ioannina, gchasapis@uoi.gr Κ. Simos, Specialized Technical And Laboratory Staff, Department of Mathematics, University of Ioannina, ksimos@uoi.gr