If you would like to contact me, send me an email at chtatakis@uowm.gr. For more details:

Christos K. Tatakis,

University of Western Macedonia,

School of Sciences, Department of Mathematics,

Office: 001, Phone: (0030) 2467440051

Fourka area, P.C. 52100 - Kastoria/Greece

Email: chtatakis@uowm.gr (also chtatakis@gmail.com)