Timeline for Metrics for lines in $\mathbb{R}^3$?
Current License: CC BY-SA 3.0
6 events
| when toggle format | what | by | license | comment | |
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| Jul 21, 2013 at 17:12 | comment | added | Joseph O'Rourke | Thanks, Robert. Your magnanimous explanation sheds further light on the issue. Much appreciated! | |
| Jul 21, 2013 at 7:44 | comment | added | alvarezpaiva | Perhaps it is worthwhile to add that there is a natural "ultrahyperbolic" metric on the space of lines in $\mathbb{R}^3$ that comes up naturally in the geometry of line congruences and in integral geometry. | |
| Jul 21, 2013 at 4:51 | comment | added | Theo Johnson-Freyd | +1 for the corrected answer. | |
| Jul 21, 2013 at 3:22 | history | edited | Robert Bryant | CC BY-SA 3.0 |
posted a correction to a badly wrong answer
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| Jul 20, 2013 at 15:29 | comment | added | Joseph O'Rourke | Thank you very much, Robert! Your 2nd suggestion is especially attractive to me. | |
| Jul 20, 2013 at 15:21 | history | answered | Robert Bryant | CC BY-SA 3.0 |