Liritzis is known for developing two dating methods. In 1994, he introduced surface luminescence dating, which extended the principles of optical dating and thermoluminescence dating to carved rock surfaces (granite, basalt and sandstone) from ancient monuments and artifacts. and archaeomagnetism. He initiated the Delphi4Delphi International Project. Liritzis was elected as a membre correspondant de l'
Académie des Sciences, Arts et Belles-Lettres de Dijon issued by the University of the Peloponesse. University of California San Diego, and Edinburgh University. He is the
principal investigator who initiated and coordinates the Aegean University archaeological excavation project at Delphi and Kastrouli, a Late Mycenaean site near Delphi, Greece. The archaeology and history of Egypt was introduced into Greek university curricula in the Department of Mediterranean Studies of the University of the Aegean in 1999. Liritzis established the chair and facilitated the appointment of the first lecturer in Egyptology in 2003. Protocols of collaboration were established between Egyptian universities and the University of the Aegean. The
Heritage journal published an honorary volume upon his retirement, focusing on his contributions and collaboration with Egyptian researchers on the study of cultural heritage in Egypt. ==References==