3 papers
math.HO2022
On Delisle's geographical projection
Charalampos Charitos, Athanase Papadopoulos
Joseph-Nicolas Delisle was one of the most important scientists at the Saint Petersburg Academy of Sciences during the first period when Euler was working there. Euler was helping…
math.DG2020
Projections from surfaces of revolution in the Euclidean plane
C. Charitos, P. Dospra
For a specific class of surfaces of revolution S, the existence of a smooth map Φ from a neighbourhood U of S to the Euclidean plane E2 preserving distances infinitesimally along t…
math.MG2020
Convexity of asymptotic geodesics in Hilbert Geometry
Charalampos Charitos, Ioannis Papadoperakis, Georgios Tsapogas
If is the interior of a convex polygon in and two asymptotic geodesics, we show that the distance function $d\left(f\left(t\right),g\left(t\right)\right)…