Math Is Fun Forum
  Discussion about math, puzzles, games and fun.   Useful symbols: ÷ × ½ √ ∞ ≠ ≤ ≥ ≈ ⇒ ± ∈ Δ θ ∴ ∑ ∫ • π ƒ -¹ ² ³ °

You are not logged in.

#1 2009-12-05 16:38:42

MathsIsFun
Administrator
Registered: 2005-01-21
Posts: 7,638

The 17×17 challenge


"The physicists defer only to mathematicians, and the mathematicians defer only to God ..."  - Leon M. Lederman

Offline

#2 2009-12-05 18:19:33

bobbym
bumpkin
From: Bumpkinland
Registered: 2009-04-12
Posts: 108,456

Re: The 17×17 challenge

Hi MathsIsFun;

Gasarch wrote:

I REALLY REALLY THINK THAT IT IS 4-COLORABLE.

That is one tough problem. In opposition to Gasarch my feeling is that it is not 4 colorable.


In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
Always satisfy the Prime Directive of getting the right answer above all else.

Offline

Board footer

Powered by FluxBB