Timeline for Poincaré disk model: is this locus a known curve?
Current License: CC BY-SA 3.0
2 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Jan 25, 2012 at 17:41 | comment | added | Ian Agol | This appears to be Theorem 26.1 in the book by Richter-Gebert (the reference pointed out by jc). For angles other than 90 degrees, he points out that the curve is quartic. dl.dropbox.com/u/8592391/Ch26RichterGebert.pdf | |
| Jan 25, 2012 at 4:34 | history | answered | Ian Agol | CC BY-SA 3.0 |