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Sudoku Checker and the Minimum Number of Clues Problem
1st January, 2012
Update: We have solved the sudoku minimum number
of clues problem.
We have verified by exhaustive computer search that a 16-clue
puzzle does not exist.
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For further details, please download Version 2 of our article
and the source code of our programme checker.
The original version is here.
Gary McGuire
Take a look at our old page from 2006.
Graphic of the Wikipedia sudoku page traffic around 1st January, 2012
News Reports of This Result:
Nature
Sunday Times
BBC number of the year
CBS News
MIT Technology Review
New Scientist
The Irish Times
YouTube (over 1,000,000 views)
BBC
Irish Examiner
Scientific American
The Guardian
BoingBoing
American Scientist
ABC Television show Catalyst
Wired Magazine's Dr. Sudoku
The Journal
Daily Edge
scitechdaily
i-Programmer
ZME Science
io9
GeekOSystem
Computing Now
Physorg
Slashdot
UCD News
Computing Now
Sudokuwiki
Irish Daily Mail
MAA Focus Magazine
Italy:
Il Post
Wired
AGI
Newnoticie
Galileo
Nextme
France:
Le Monde
CNRS
Le Parisien
Pour La Science
trictrac
Spain:
Publico
La VanGuardia
Gaussianos
ABC
La Nueva Espagna
Que
El Punt Avui
Belgium:
Nieuwsblad
Standaard
Iran:
Khabar
Khabarfarsi
Degargoon
Hamvatansalam
Austria:
ORF
Der Standard
China:
WHKP
Scitech
Netherlands:
Volkskrant
Engineers Online
Canada:
Cyberpresse
Cyberpresse blog
Switzerland:
NZZ
Ticino
India:
Yahoo India
Silicon India
Germany:
Frankfurter Allgemeine Zeitung
Kölner Stadt-Anzeiger
Spektrum
Wissenschaft Aktuell
Süddeutsche Zeitung
GEO
Russia:
Lenta
Compulenta
Nauka21Vek
Diver-Sant
Japan
Greece
Argentina
Slovakia
Lithuania
Croatia
Indonesia
Ukraine
Denmark
Poland
South Korea
Estonia
Xi'an
Michael Trick blog
David Eppstein Comment
Gordon Royle Blog
Xi'an's Blog
Jason Rosenhouse Blog
Berkeley Science Review
Xander Henderson Blog
The Conversation
Oxford University Press Blog
Irish Independent
University of South Carolina News
Mentions of the Problem:
A blog
Mortgage News
Math Maths Discussion (from about 4:40)
Italian radio interview
reddit
comment
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