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Backup: Minimal 39 clues puzzles
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15
eleven
444
Tue Apr 27, 2010 11:29 amdukuso
Yet another mapping question
1
FlukeLogic
353
Wed Feb 24, 2010 4:17 amFlukeLogic
Adobe Open Source Dancing Links Implementation
7
MontagFTB
9684
Thu Jan 14, 2010 10:15 pmevert2
papers and links
4
dukuso
12015
Wed Nov 18, 2009 10:00 pmevert2
maximum number of candidates after removal singles
2
soduko
1457
Sat Jul 04, 2009 3:21 amdaj95376
Mapping 3x3 boxes to rows
12
rkral
9870
Mon Jun 29, 2009 1:13 pmleeo
How many grains of sand vs number of Sudoku
4
ChPicard
1814
Tue May 26, 2009 3:35 amangusj
Checker and the Minimum Number of Clues Problem
9
ChPicard
2688
Tue May 19, 2009 1:05 pmcoloin
5472730538 essentially different grids
3
ChPicard
2730
Thu Feb 26, 2009 8:41 pmcoloin
Are the 5472730538 essentially different grids available?
13
ChPicard
3416
Mon Feb 23, 2009 5:17 pmm_b_metcalf
Solving Sudoku's mathematically (?)
14
Kamphuys
14649
Mon Jan 26, 2009 6:27 pmArkh
Invalid (Jigsaw) Puzzle Recognition
3
Pjotr
1933
Sun Oct 26, 2008 11:15 amPjotr
Mechanical Sudoku Solvers??
6
el_scorch0
2605
Mon Oct 13, 2008 4:44 pmm_b_metcalf
Inherent difficulty?
2
cobnut
2602
Tue Jun 03, 2008 3:51 pmgsf
How many possible 2x2 soduku's?
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20
fractal
15175
Thu May 15, 2008 6:02 pmcoloin
True Sudoku?
5
wossname
5143
Wed Nov 21, 2007 6:40 amwapati
New book "The Hidden Logic of Sudoku"
[ Goto page: 1 , 2 ]
29
berthier
15813
Wed Nov 21, 2007 5:40 amvittyken
Tried Sudoku in math method class, it works well
3
GSudokr
3439
Wed Nov 14, 2007 12:55 pmm_b_metcalf
Have simple but fast method???
3
sam
6426
Thu Aug 30, 2007 6:02 pmabangser
Two games in one
2
dodo
4409
Tue Jun 26, 2007 4:29 pmdodo
How to do a Math Seminar on Sudoku?
4
winefox
4526
Sun Jun 10, 2007 1:18 pmsalihin
Invalid Puzzle Recognition
3
emdiesse
3347
Fri May 18, 2007 1:07 pmm_b_metcalf
The proof of 5472730538 essentially different Sudoku grids
1
matcos
3373
Tue Apr 24, 2007 12:48 pmcoloin
Sudoku probability
2
jimbo2907
3783
Tue Mar 13, 2007 7:24 pmjimbo2907
Mathematics of sudoku: a book
0
m_b_metcalf
3868
Wed Mar 07, 2007 7:27 pmm_b_metcalf
generating random sudokugrids
[ Goto page: 1 , 2 ]
17
dukuso
24411
Tue Jan 16, 2007 8:03 pmm_b_metcalf
some help with DLX and knuth's paper
5
furtivefelon
5168
Fri Dec 29, 2006 3:57 pmMCondron
Non-determinism in Knuth's Algorithm X
1
Jack
3960
Thu Oct 19, 2006 2:48 pmbrassbandit
Generating Boards with Shuffling Technique
2
mmdnazar
3815
Wed Oct 11, 2006 11:43 ammmdnazar
The minimum easiest puzzles
3
JPF
5486
Fri Aug 25, 2006 7:22 pmanttiahola
What will I get if I count all solutions of this grid?
11
treffer
7612
Fri Aug 25, 2006 4:44 pmcoloin
Minimum number of clues needed
4
kmin
6084
Mon Aug 21, 2006 8:53 amObi-Wahn
Unique Solution
4
mcarne5252
5758
Fri Aug 18, 2006 2:42 amCatweazle
Formula of generating sudoku
1
keroro
7929
Wed Aug 02, 2006 4:21 pmCatweazle
Call for Sudoku talks at New Orleans math conference
1
laurataalman
3739
Sat Jul 29, 2006 5:12 pmsoduko
2x2 / 16 grids mathematics of - am i right ?
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17
coloin
28746
Thu Jul 06, 2006 4:17 pmcalimero
Generate any N^2 x N^2 grid by a construction
0
m_b_metcalf
4050
Mon Jun 19, 2006 10:42 pmm_b_metcalf
Generate a single N^2 x N^2 grid by a construction (N even)
0
m_b_metcalf
4105
Fri May 26, 2006 1:49 pmm_b_metcalf
How many possible unique rectangels?
5
havard
5838
Sun Apr 30, 2006 5:23 amjuggle5
Is It Really Symmetric?
1
Naylas
3900
Thu Apr 20, 2006 6:08 pmRuud
What is logic, and what is trail and error, backtracking, ed
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29
soduko
21102
Wed Apr 12, 2006 12:27 amMyth Jellies
exact-cover-speak is better than sudoku-jargon
12
dukuso
10214
Mon Mar 20, 2006 10:24 ampablo
How small is the smallest X-sdoku?
4
m_b_metcalf
6238
Mon Mar 20, 2006 1:49 amRuud
Curious: s(i,j) = s(i-1, n-j+1), i and n even
0
m_b_metcalf
3729
Thu Mar 16, 2006 2:01 pmm_b_metcalf
the slowest simple sudoku
5
weia
8276
Sat Feb 18, 2006 3:54 amRuud
Problem with logic
5
g_hickley
6167
Sun Jan 15, 2006 3:14 pmRuud
Calculating Tree Depth
0
mugnyte
4053
Wed Jan 11, 2006 12:05 ammugnyte
program finds unavoidable sets, hitting sets
0
Moschopulus
3683
Mon Dec 05, 2005 9:18 pmMoschopulus
Number of "magic sudokus" (and random generation)
2
DrSudoku
7543
Thu Dec 01, 2005 12:54 ammrcl
Strange things in 2x2 sudoku's
0
soduko
4405
Mon Oct 31, 2005 1:04 amsoduko
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