3 papers
math.HO2022
Notions about the nature of Geometry
Ioannis Rizos, Nikolaos Gkrekas
In this paper we discuss, from a historical and philosophical point of view, a variation of the meaning of the five postulates in Euclidean Geometry and we make a short reference t…
math.HO2022
A different perspective on teaching Geometry at high school: The Greek case study
Ioannis Rizos, Nikolaos Gkrekas
Geometry is essentially a global language, which is fully understood in different times, countries and cultures. The proof of a geometric theorem (e.g. the Pythagorean Theorem) or…
math.GM2022
Students' experiences of learning Sciences during the Covid-19 pandemic and their suggestions for the next day: A Greek University Department case study
Ioannis Rizos, Nikolaos Gkrekas
Around the globe Covid-19 pandemic has influenced not only the education, but also our everyday life, among other aspects. In Greece, distance learning started to get in use widely…