Timeline for What sort of models did Bolyai and Lobachevsky use to demonstrate the consistency of their models of non-Euclidean Geometry?
Current License: CC BY-SA 3.0
9 events
| when toggle format | what | by | license | comment | |
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| May 12, 2015 at 22:45 | comment | added | Marcus Johnson | I think anyone interested in this topic will want to read this review by R. Osserman. | |
| May 12, 2015 at 9:12 | history | edited | Ricardo Andrade | CC BY-SA 3.0 |
replaced tag 'euclidean' with tag 'euclidean-geometry'; added tag 'hyperbolic-geometry'
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| May 11, 2015 at 23:56 | comment | added | Dylan Thurston | Relevant math.stackexchange question: math.stackexchange.com/questions/665981/… | |
| May 11, 2015 at 23:54 | comment | added | Dylan Thurston | Also, why do you say 1820s? Lobachevsky and Bolyai published in 1830 and 1832. If you're going to credit unpublished work, then Gauss deserves credit as well. | |
| May 11, 2015 at 23:52 | comment | added | Dylan Thurston | The popular history is that they didn't prove consistency; Beltrami did, a 38 years later, using, most cleanly, the projective or Beltrami-Klein disk model. | |
| May 11, 2015 at 23:52 | comment | added | Will Jagy | My take, from having published on this, is that Bolyai did not make any model in our sense, he predicted everything that had to happen and said he had created a new world. Gauss was less than gracious, having come to many of the same conclusions; I give Bolyai greater credit, he actually said this is it. | |
| May 11, 2015 at 23:51 | answer | added | Igor Rivin | timeline score: 11 | |
| May 11, 2015 at 23:45 | history | edited | Yemon Choi |
added history tag
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| May 11, 2015 at 23:41 | history | asked | Dick Palais | CC BY-SA 3.0 |