Introduction to hyperbolic geometry

Hyperbolic geometry

In mathematics, hyperbolic geometry (also called Lobachevskian geometry or Bolyai–Lobachevskian geometry) is a non-Euclidean geometry.

Semiplano

En geometría euclídea, una línea recta divide un plano en dos semiplanos. Si se agrega la línea recta a uno de los semiplanos, se habla de un semiplano cerrado, mientras…

삼각 부등식

Frame of reference

In physics, a frame of reference (or reference frame) consists of an abstract coordinate system and the set of physical reference points that uniquely fix (locate and…