The story
Named after Hugo Hadwiger and Paul Finsler.
Etymology from Wiktionary, CC BY-SA 4.0.
Hadwiger-Finsler inequality
Today it means: A result on the geometry of triangles in the Euclidean plane, stating that, if a triangle in the plane has side lengths a, b and c and area T, then a²+b²+c²≥(a-b)²+(b-c)²+(c-a)²+4√3T. Full definition →