Daily Archives: 2017/04/09

Hyperbolic geometry – more parallels

Non-Euclidean geometry was invented because not everybody was happy with the fifth postulate of plane Euclid’s geometry. The fifth postulate can be formulated in several equivalent ways, one of its versions, the one that is of interest for us, states … Continue reading

Posted in Geometry, Hyperbolic geometry, SU(1,1) | 5 Comments