Timeline for When is a triangulation of sphere two-colorable?
Current License: CC BY-SA 4.0
7 events
| when toggle format | what | by | license | comment | |
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| Jun 24, 2021 at 3:23 | vote | accept | Hailong Dao | ||
| Jun 24, 2021 at 0:34 | comment | added | Sam Hopkins | Haha, sorry, wasn't fishing for upvotes. Just wanted to point out that this is a very well-known equivalence for 2-colorability of (the faces of) a planar map... I give it as homework in an undergrad combinatorics class. But not sure of specific reference/attribution. | |
| Jun 24, 2021 at 0:19 | comment | added | Tony Huynh | Just noticed that. I upvoted your comment! | |
| Jun 24, 2021 at 0:13 | history | edited | Tony Huynh | CC BY-SA 4.0 |
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| Jun 24, 2021 at 0:02 | history | edited | Tony Huynh | CC BY-SA 4.0 |
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| Jun 24, 2021 at 0:01 | comment | added | Sam Hopkins | I think we posted essentially the same explanation at the same time... | |
| Jun 23, 2021 at 23:59 | history | answered | Tony Huynh | CC BY-SA 4.0 |