Barycentric calculus in euclidean and hyperbolic geometry: a comparative introduction. - Ungar, Abraham Albert; Ungar, Abraham Albert (World Scientific Publishing Co. Pte. Ltd, 2010)
Keywords: Calculus; Geometry, Hyperbolic; Geometry, Plane; Mathematical Physics; Mathematics; Pure Mathematics; Theoretical Physics; Triangle; Barycentric Calculus; Analogies with Classical Mechanics; Euclidean Geometry; Relativistic Center of Momentum; Hyperbolic Geometry; Triangle Excircles; Classical Center of Momentum; Barycentric Coordinates; Triangle Centers; Triangle Incircles; Analogies with Relativistic Mechanics