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  1. Graphs, Colourings and the Four-Colour Theorem (Oxford Science Publications) by Robert A. Wilson, 2002-03-28
  2. ON EXTENDED CONGRUENCES CONNECTED WITH THE FOUR-COLOUR MAP THEOREM. by P. J. (SIGNED) HEAWOOD, 1929-01-01

1. Four Colour Theorem - English Dictionary
english to english dictionary containing references.
http://www.online-dictionary.biz/english/vocabulary/reference/four_colour_theore
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Four Colour Theorem - English Dictionary
1. four colour theorem four colour map theorem Fourier transform A technique for expressing a waveform as a weighted sum of sines and cosines. Computers generally rely on the version known as discrete Fourier transform. Named after J. B. Joseph Fourier 1768 1830. See also wavelet, discrete cosine transform. 1997-03-9 fourth generation computer A computer built using Very Large Scale Integration VLSI integrated circuits, especially a microcomputer based on a microprocesseor, or a parallel processor containing two to thousands of CPUs. VLSI made it routine to fabricate an entire CPU, main memory, or similar device with a single integrated circuit that can be mass produced at very low cost. This has resulted in new classes of machines such as personal computers, and high performance parallel processors that contains thousands of CPUs.
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2. Four Colour Theorem
Four Colour Theorem. Ugliness 80x60cm 2005 Higher resolution Back to Gallery. THE FOUR COLOUR THEOREM. In Greek mythology, the Sirens were sisters
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THE FOUR COLOUR THEOREM In Greek mythology, the Sirens were sisters whose song lured sailors to their deaths on a treacherous reef. The Four Colour Theorem is to mathematicians what the song of the Sirens was to the sailors of ancient times. Many a mathematician has foundered in attempting its proof . The problem is deceptively simple. Take a map of the world, a few coloured pens and start colouring in the countries. There's one ruleadjacent countries cannot be the same colour. The Four Colour Theorem is the hypothesis that the maximum number of colours needed to fill the map is four. It's the kind of problem that, for a mathematician, has the smell of simplicity and elegance about it. You just know that somebody somewhere will have come up with an elegant method that makes the answer apparent. Except they haven't. In place of an elegant proof is a monstrous machine created by Kenneth Appel and Wolfgang Haken, both mathematicians at the University of Illinois, who cracked the problem in 1976. But instead of insight and panache, they used force. Appel and Haken first worked out that they could reduce the number of possible maps from infinity to just 1,936. They then checked each one against the theory. The task turned out to be so intensive that they needed a computer to do it. Even then, it took hundreds of hours. In a sense, they squeezed the life out of the problem until it gave up its answer, a method known as brute force.

3. Four Color Theorem - ᏗᎪᏪᎵ ᎦᏧᎾᎳ Ꭶá
You must have unicode fonts enabled in your browser that include support for the Cherokee Syllabary in order to view this site. Windows Vista and Linux have
http://chr.wikigadugi.org/wiki/Four_colour_theorem
Four color theorem
Four colour theorem ᏅᎩ ᏗᎧᏃᏗ theorem (ᎢᏳᏍᏗ ᎧᏃᎮᏗ) ᏅᎩ ᏗᎧᏃᏗ ᎡᎶᎯ ᏓᏟᎶᏍᏔᏅ theorem (ᎢᏳᏍᏗ ᎧᏃᎮᏗ) ) ᎧᏃᎮᎭ Ꮎ ᎠᏓᏁᎸ ᏂᎦᎵᏍᏗᏍᎬᎫ ᎦᏃᎯᎵᏙ separated (ᏧᏓᎴᎿᎢ) ᎾᏀᎢ regions (ᎤᏔᏂᏗ ᎦᏙᎯ), ᎤᏠᏱ ᎠᏙᏱᏯᏛ ᎠᎬᏩᎵ ᎡᎶᎯ ᏓᏟᎶᏍᏔᏅ ᎯᎠ ᎧᏃᎮᎭ ᏙᏱᏗᏢ ᎦᏚᎲ, ᎯᎠ regions (ᎤᏔᏂᏗ ᎦᏙᎯ) ᏰᎵᏊ ᎠᏑᏫᏒ ᎬᏗᏍᎬᎢ ᎤᏍᏗ ᏅᎩ ᏧᏓᎴᏅᏓ ᏗᎧᏃᏗ ᎭᏫᎾᏗᏢ ᏯᏛᎿ ᎦᎶᎯᏍᏗ Ꮎ Ꮭ ᏔᎵ ᎤᏓᏃᏢᎢ regions (ᎤᏔᏂᏗ ᎦᏙᎯ) ᎠᎩᏍᏗ ᎤᏠᎢ ᏗᎧᏃᏗ. ᏔᎵ regions (ᎤᏔᏂᏗ ᎦᏙᎯ) ᎤᏯᏅᎲ ᎾᏍᎩ ᎤᏩᏒ ᎢᏳᏃ ᎤᏅᏌ ᎠᏓᏲᏔᎡᏗ ᎠᏟᎶᏛ ᎬᎪᏛ segment (ᎢᎦᏛ), ᎾᏍᎩ ᏂᎨᏒᎾ ᎣᏍᏛ ᎪᏍᏓᏱ. ᎠᏂᏏᏴᏫᎭ ᎤᏔᏂᏗ ᎦᏙᎯ ᎠᏎ ᎾᏍᏋ contiguous (ᎾᎥᏂᎨ) exclave Angola Azerbaijan ... Russia ᎾᏍᎩ ᎨᏒᎢ ᎢᏳᏓᎵᎭ ᎯᎠ ᎦᎸᏛ ᎧᏁᏌᎢ Ꮎ ᎬᏗᏍᎬᎢ ᎾᏍᎩ ᎤᏩᏒ ᏦᎢ ᏧᏓᎴᏅᏓ ᏗᎧᏃᏗ ᎨᏒᎢ inadequate (ᎡᎵᏆ ᎢᎦᎢ). ᎪᎯ ᏂᎬᎾᏗᏍᎪ ᎦᏳᎳ ᎢᎪᎯᏓ ᎡᎶᎯ ᏓᏟᎶᏍᏔᏅ ᎬᏙᏗ ᏌᏊ ᎤᏔᏂᏗ ᎦᏙᎯ ᏓᎦᏚᏫᏍᏔᏅ ᎾᎥᎢ ᏦᎢ ᏐᎢ regions (ᎤᏔᏂᏗ ᎦᏙᎯ) (ᎾᏍᎩ ᎤᏁᎳᎩ ᎬᏙᏗ ᎢᏧᎳᎭ ᏎᏍᏗ ᏓᎦᏚᏫᏍᏗᏍᎬ ᎠᏰᎵ ᏚᎾᏙᏢᏩᏗᏒ ᏦᎢ ᏧᏓᎴᏅᏓ ᏗᎧᏃᏗ ᏰᎵᏊ) ᎠᎴ ᎾᏍᎩ ᎨᏒᎢ ᎤᏍᏗ ᎤᏦᏍᏗ ᎪᎯᏳᏙᏗ Ꮎ

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5. Re: Artificial Intelligence
computer program to verify the proof provided by the first one (and yes, it checks out). See http//en.wikipedia.org/wiki/four_colour_theorem Oliver
http://coding.derkeiler.com/Archive/Java/comp.lang.java.help/2005-09/msg00718.ht
Re: Artificial Intelligence
  • From : "Oliver Wong" < Date : Mon, 19 Sep 2005 17:44:53 GMT

I'm not Monique, but I though I'd throw in a comment on this anyway.
My answer is: "It depends on the situation, and on the definition of
'better'." When you're making a bot to play a game that will actually be
commercially released, the main goal is usually to challenge the player, and
to emulate human behaviour. In these cases, it's usually simpler (read:
cheaper) to implement the "AI" via a rule set, and most probably the player
won't even notice that the AI isn't actually learning. Consider a bot to
play first person shooters in an online multiplayer environment. In these
situations, each iteration through the "What should I do next?" loop needs
to be extremely fast, perhaps on the order of 30 or 60 times a second. With these time restrictions, you usally can't have the bot do much learning. This is one of those situations where rule-sets are extremely handy. Then there's those real time strategy games, where the players typically have to build cities. AFAIK, typical implementation is to have predefine

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7. Re: Proving Kepler Packing And 4 Color Mapping Using The Same Technique
http//www.justinmullins.com/four_colour_theorem.htm. More with this subject Prev in Thread, Current Thread, Next in Thread
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sci.math Top All Lists Date Enter your search terms Submit search form Web www.archivum.info Thread
Re: proving Kepler Packing and 4 Color Mapping using the same technique
from [ boson boss Subject Re: proving Kepler Packing and 4 Color Mapping using the same technique of Smallest Member From "boson boss" < Date 13 Feb 2006 16:45:29 -0800 Newsgroups sci.math sci.logic sci.physics http://www.justinmullins.com/four_colour_theorem.htm ... More with this subject... Current Thread

8. Information On Four_colour_theorem
four_colour_theorem.
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9. Techdict:Four Colour Theorem Dir=rtl - ويكي عربايز
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10. Four Colour Theorem
McFLY. Title page. four colour theorem. REDIRECT Four color theorem. The McFLY Encyclopedia is based on Wikipedia. See McFly copyrights for more info.
http://en.mcfly.org/four_colour_theorem
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11. Computer Dictionary/four Colour Map Theorem - 18DAO Reference Wiki - En.18dao.ne
From En.18dao.net. Computer Dictionary(Redirected from Computer Dictionary/four colour theorem). Jump to navigation, search
http://en.18dao.net/Computer_Dictionary/four_colour_theorem
Computer Dictionary/four colour map theorem
From En.18dao.net
Computer Dictionary (Redirected from Computer Dictionary/four colour theorem Jump to: navigation search Position: Main Page Network Category Computer Dictionary Content: (Or "four colour theorem") The theorem stating that if the plane is divided into connected regions which are to be coloured so that no two adjacent regions have the same colour (as when colouring countries on a map of the world), it is never necessary to use more than four colours. The proof, due to Appel and Haken, attained notoriety by using a computer to check tens of thousands of cases and is thus not humanly checkable, even in principle. Some thought that this brought the philosophical status of the proof into doubt. There are now rumours of a simpler proof, not requiring the use of a computer. See also chromatic number
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14. Four Colour Theorem
Welcome to Question.com Skip directly to Search Box, Site Navigation, Content. Question.com. Site Search Web Search. Home; Encyclopedia; Dictionary; Health
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15. Artificial Intelligence
http//en.wikipedia.org/wiki/four_colour_theorem Oliver. Reply to this Message. Monique Y. Mudama - 20 Sep 2005 0027 GMT. Which do you
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Artificial Intelligence
Thread view: Tree View List View (postings sorted by date) Single Message View Enable EMail Alerts Start New Thread uweWriteArtHdr('','','',1) JS - 12 Sep 2005 20:36 GMT Hi all.
I'm not sure if this is the right place to post but has anyone got any
pointers, hints or tips on how to create a chatbot in Java using AIML as a
basis? I can probably sit and write the AIML into a Java class or two but
I'd rather it read straight from the .AIML files.
For those of you who aren't sure what AIML is it stands for Artificial
Intelligence Markup Language. It's similar to XML but has its own extension
and schema's and contains the intelligence for chat bots on the net. When
you ask a chatbot a question it reads through its AIML files to find an answer then returns the answer listed under that question. It uses tags like possible I would like the java file to read these tags. Thanks in advance everyone JS Reply to this Message uweWriteArtHdr('#vNkVe2460K5751newsfe7guintlinet','','#4326e9c3011066e4fe514cnewsxs4allnl',3)

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17. Four Color Theorem DBpedia.org
Translate this page dbpediafour_colour_theorem; dbpediaFour_color_map_problem; dbpediaFour_color_map_theorem; dbpediaFour_color_problem; dbpediaFour_colour_problem
http://dbpedia.org/resource/Four_color_theorem

18. Four Colour Theorem Article, Fourcolourtheorem Information
Four colour theorem Article. Information About Four colour theorem. Fourcolourtheorem. map.
http://www.anoca.org/color/colors/four_colour_theorem.html

19. Four Color Theorem
Example of a fourcolored map. Example of a four-colored map. The four color theorem (also known as the four color map theorem) states that given any plane
http://hanzi.1bx.com/en/Four_colour_theorem.htm
Four color theorem
Example of a four-colored map The four color theorem (also known as the four color map theorem ) states that given any plane separated into regions, such as a political map of the states of a country, the regions may be colored using no more than four colors in such a way that no two adjacent regions receive the same color. Two regions are called adjacent only if they share a border segment, not just a point. Each region must be contiguous : that is, it may not have exclaves like some real countries such as Angola Azerbaijan , the United States , or Russia It is often the case that using only three colors is inadequate. This applies already to the map with one region surrounded by three other regions (although with an even number of surrounding countries three colors are enough) and it is not at all difficult to prove that five colors are sufficient to color a map. The four color theorem was the first major theorem to be proven using a computer, and the proof is not accepted by all mathematicians because it would be unfeasible for a human to verify by hand (see computer-assisted proof ). Ultimately, in order to believe the proof, one has to have faith in the correctness of the

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