Hacker News
new
|
past
|
comments
|
ask
|
show
|
jobs
|
submit
login
dnadler
on June 17, 2019
|
parent
|
context
|
favorite
| on:
Mathematician Disproves Hedetniemi’s Graph Theory ...
In your example the middle node could be green, and the nodes it shares edges with could alternate between red, blue and yellow as you iterate over them.
2bitencryption
on June 17, 2019
[–]
it took me a moment, but now it seems obvious. Thanks :)
Guidelines
|
FAQ
|
Lists
|
API
|
Security
|
Legal
|
Apply to YC
|
Contact
Search:
