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15876343 No.15876343 [Reply] [Original]

For large n, what's the threshold for erdos-renyi graphs having diameter 2? a result in terms of either the G(n, p) or G(n, M) model would be welcome.

>> No.15878162

up

>> No.15878181

>homework thread

>> No.15878196

>>15876343
2 what?

>> No.15878300

>>15876343
I have no idea what the fuck this is, but if it's a normalized distribution, you'd expect a radius of 1 which gives a diameter of 2.

>> No.15878450

About three fiddy.

>> No.15878790

>>15878300
Not how graph radii work.

>> No.15880658

>>15878790
How do they work?

>> No.15882591

>>15880658
Without looking it up, one is the maximum of the maximum distance and the other is the minimum of the maximum distance. I assume the former is diameter and the latter is radius.
Here's the wiki article, which tells me I'm right
https://en.wikipedia.org/wiki/Distance_(graph_theory)#Related_concepts