Across the Rhine — Möbius’s Algebraic Version of Projective Geometry
In 1827 Möbius published his Der barycentrische Calcul  or The Barycentric Calculus.1 The word “barycentre” means centre of gravity, but the book is not about mechanics but geometry. It is most concerned with, and is best remembered for, introducing a new system of coordinates, the barycentric coordinates.
KeywordsProjective Geometry Projective Transformation Collinear Point Projective Equation Intersecting Line
Unable to display preview. Download preview PDF.