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Topic: A New Graph Coloring Conjecture.
Replies: 42   Last Post: Jul 2, 2013 4:08 AM

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quasi

Posts: 10,450
Registered: 7/15/05
Re: A New Graph Coloring Conjecture.
Posted: Jun 27, 2013 5:17 PM
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bill wrote:

>Conjecture:
>
>Every non 4-color planar graph contains at least one subset
>isomorphic to F5S.


There's no such thing a non-4-colorable planar graph.

By the 4-color theorem, every planar graph is 4-colorable.

quasi


Date Subject Author
6/18/13
Read A New Graph Coloring Conjecture.
b92057@yahoo.com
6/18/13
Read Re: A New Graph Coloring Conjecture.
Tucsondrew@me.com
6/18/13
Read Re: A New Graph Coloring Conjecture.
Tucsondrew@me.com
6/18/13
Read Re: A New Graph Coloring Conjecture.
quasi
6/18/13
Read Re: A New Graph Coloring Conjecture.
Tucsondrew@me.com
6/18/13
Read Re: A New Graph Coloring Conjecture.
quasi
6/19/13
Read Re: A New Graph Coloring Conjecture.
trj
6/20/13
Read Re: A New Graph Coloring Conjecture.
b92057@yahoo.com
6/20/13
Read Re: A New Graph Coloring Conjecture.
quasi
6/20/13
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b92057@yahoo.com
6/22/13
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6/23/13
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quasi
6/25/13
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b92057@yahoo.com
6/25/13
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quasi
6/25/13
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b92057@yahoo.com
6/26/13
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quasi
6/26/13
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Brian Q. Hutchings
6/27/13
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b92057@yahoo.com
6/27/13
Read Re: A New Graph Coloring Conjecture.
quasi
6/27/13
Read Re: A New Graph Coloring Conjecture.
b92057@yahoo.com
6/27/13
Read Re: A New Graph Coloring Conjecture.
quasi
6/27/13
Read Re: A New Graph Coloring Conjecture.
quasi
6/28/13
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b92057@yahoo.com
6/28/13
Read Re: A New Graph Coloring Conjecture.
quasi
6/28/13
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6/29/13
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quasi
7/1/13
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7/2/13
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quasi
6/19/13
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b92057@yahoo.com
6/19/13
Read Re: A New Graph Coloring Conjecture.
quasi
6/20/13
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b92057@yahoo.com
6/20/13
Read Re: A New Graph Coloring Conjecture.
Tucsondrew@me.com
6/21/13
Read Re: A New Graph Coloring Conjecture.
quasi
6/21/13
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quasi
6/22/13
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b92057@yahoo.com
6/23/13
Read Re: A New Graph Coloring Conjecture.
quasi
6/19/13
Read Re: A New Graph Coloring Conjecture.
b92057@yahoo.com
6/20/13
Read Re: A New Graph Coloring Conjecture.
quasi
6/20/13
Read Re: A New Graph Coloring Conjecture.
quasi
6/20/13
Read Re: A New Graph Coloring Conjecture.
Butch Malahide
6/20/13
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Butch Malahide
6/19/13
Read Re: A New Graph Coloring Conjecture.
b92057@yahoo.com
6/20/13
Read Re: A New Graph Coloring Conjecture.
b92057@yahoo.com

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