NEWS
N. Lygeros: Duty to Tradition
https://www.youtube.com/watch?v=zS8Rm-xCcIU
Mathematics
https://lygeros.org/28137-en/
Transcription: Hex Game. Smart Education
https://lygeros.org/84453-en/
Τροχιακό σύστημα αξιωματικού σε βυζαντινή σκακιέρα
https://lygeros.org/19488-telemaques/
Elementary Enumeration of classes with Somas
https://lygeros.org/somas-telemaques/