Riemann
— Navneord
– Engelsk
~ pioneer of non-Euclidean geometry (1826-1866)
Riemannian geometry
— Navneord
– Engelsk
~ (mathematics) a non-Euclidean geometry that regards space as like a sphere and a line as like a great circle; "Bernhard Riemann pioneered elliptic geometry"
riemannian
— Tillægsord
– Engelsk
~ of or relating to Riemann's non-Euclidean geometry