Timeline for Can the intersection of the boundaries of compact and convex sets be a single element?
Current License: CC BY-SA 3.0
4 events
| when toggle format | what | by | license | comment | |
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| Sep 13, 2013 at 15:51 | comment | added | Michaël Le Barbier | Oh, you are both right! Please assume that you do not like colours. :) I guess we can make this work by making the blue point also red and then removing 2 points each time, but points have to be choosed adequaltely so it is much less illuminating than the example with the half planes. | |
| Sep 13, 2013 at 14:40 | comment | added | Roc Armenter | I don't seem to be able to make this one work. Won't all sets $\partial H_i$ share both the blue and green point? | |
| Sep 13, 2013 at 14:35 | comment | added | Andreas Blass | I'm confused by the colored example. Why isn't the line segment joining the blue and green points in the intersection of the boundaries? | |
| Sep 13, 2013 at 12:52 | history | answered | Michaël Le Barbier | CC BY-SA 3.0 |