Timeline for Chromatic number of 2-graph vs hypergraph of point-line incidences
Current License: CC BY-SA 4.0
7 events
| when toggle format | what | by | license | comment | |
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| Jan 25, 2023 at 20:43 | comment | added | domotorp | @Fedor I'm sorry, what I wrote first made little sense. I hope now it's ok. | |
| Jan 25, 2023 at 20:42 | history | edited | domotorp | CC BY-SA 4.0 |
fixed definition
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| Jan 25, 2023 at 18:00 | comment | added | Fedor Petrov | or you mean that the edges of $H$ are not collinear sets, but only inclusion-maximal? | |
| Jan 25, 2023 at 17:58 | comment | added | Fedor Petrov | I am confused. Is not it true that $\chi(H)\leqslant \chi(G)$ - of course, if all edges have at least two vertices - by using the same coloring? | |
| Jan 25, 2023 at 15:35 | history | edited | domotorp | CC BY-SA 4.0 |
added 13 characters in body
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| Jan 25, 2023 at 15:34 | comment | added | Fedor Petrov | You mean, these are points and lines on the usual Euclidean plane? | |
| Jan 25, 2023 at 15:32 | history | asked | domotorp | CC BY-SA 4.0 |