Timeline for What is the name of this geometric structure, where we identify each sphere of vision with the sphere at infinity?
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| Oct 30, 2020 at 17:26 | comment | added | Malkoun | Nice answer Prof. Bryant, as usual. And thank you for the pathological example too. I had never heard of "path geometry" before. It seems I ask a lot of classical questions. Note that your pathological example can be natural extended to $x^2+y^2 < 2$, and then $\Sigma$ becomes a boundary of $M$, in a suitable sense. | |
| Oct 30, 2020 at 17:18 | vote | accept | Malkoun | ||
| Oct 30, 2020 at 12:11 | history | answered | Robert Bryant | CC BY-SA 4.0 |