Beltrami-Klein Disk Model

Lionel GERVAIS, Jan 13, 2019


  • 1. Poincaré and Beltrami–Klein disk models
  • 2. Beltrami disk model and Euclid's Fifth Postulate

1.

Poincaré and Beltrami–Klein disk models

You can watch this excellent YouTube video to get explanations about the Poincaré and Beltrami-Klein models:[list][*][url=https://youtu.be/zHh9q_nKrbc]Non-Euclidean geometry | Math History | NJ Wildberger[/url][/*][/list]
– Lionel GERVAIS

2.

Beltrami disk model and Euclid's Fifth Postulate

– Lionel GERVAIS

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