Abraham Albert Ungar

Sorry, we do not have enough data to show an influence graph for this author.
Learn More
Following a brief review of the history of the link between Einstein's velocity addition law of special relativity and the hyperbolic geometry of Bolyai and Lobachevski, we employ the binary operation of Einstein's velocity addition to introduce into hyperbolic geometry the concepts of vectors, angles and trigonometry. In full analogy with Euclidean(More)
  • 1