Puzzles
(Want to play these puzzles? Here is a link to all these puzzles on one page.)
- +Plus Magazine, part of the Millennium Mathematics Project based at Cambridge University; Plus Magazine Sudoku, 12x12 custom Sudoku alphabet puzzle with repeated entries, Issue 45, December 2007.
- MAA MD/DC/VA Newsletter, for the Maryland/DC/Virginia section of the Mathematical Association of America; Euler Sudoku, a 9x9 Sudoku puzzle using mathematical symbols inspired by Euler, October 2007.
- Journal of Online Mathematics (JOMA), in the (soon to appear) article An Integer Programming Model for the Sudoku Problem by Bartlett, Chartier, Langville, and Rankin; seven Sudoku puzzles and variations used as examples in the research article, December 2007.
- The Addict's Guide to Sudoku, by Fiorella Grossi, published by Fair Winds Press; twelve Sudoku puzzles and variations used as examples and illustrations, November 2007.
- Math Horizons magazine, a publication of the Mathematical Association of America, in the article Taking Sudoku Seriously by Laura Taalman; nine Sudoku puzzles and variations used as examples in the article, September 2007.
- Madison Magazine, the alumni magazine of James Madison University; James Madison Sudoku, a 12x12 custom Sudoku alphabet puzzle with repeated entries, for a contest associated with Laura Taalman's article Puzzling Over Sudoku (see link below), September 2007.
- +Plus Magazine, part of the Millennium Mathematics Project based at Cambridge University; Greater Than Sudoku, a Sudoku variation with order conditions on pairs of adjacent cells, Issue 44, September 2007.
- The Big Notebook, a publication of the Mathematical Association of America's Special Interest Group on Mathematics in Business, Industry, and Government (BIG SIGMAA), Volume 3, Number 2; Worms Sudoku, a Sudoku variation with order conditions on groups of cells, September 2007.
- MathFest 2007 conference program for the annual national summer meeting of the Mathematical Association of America; MathFest 2007 Sudoku, a 12x12 custom Sudoku alphabet puzzle with repeated entries, August 2007.
- Barnes and Noble Sudoku Workshop, Harrisonburg, Virginia; Pyramids, Jigsaw, and Worms puzzles, used as contest puzzles during an authors' signing and Sudoku Workshop, July 2007.
- Barnes and Noble Harry Potter Event, Harrisonburg, Virginia; Harry Potter Sudoku, an 11x11 custom Sudoku puzzle with a Harry Potter design, used in the book release party for the seventh Harry Potter book, July 2007.
- +Plus Magazine, part of the Millennium Mathematics Project based at Cambridge University; Mystery Sum Sudoku, a Sudoku variation with sum conditions on groups of cells, Issue 43, June 2007.
- The Big Notebook, a publication of the Mathematical Association of America's Special Interest Group on Mathematics in Business, Industry, and Government (BIG SIGMAA), Volume 3, Number 1; Greater Than Sudoku, a Sudoku variation with order conditions on pairs of adjacent cells, April 2007.
- Who Wants to Be a Sudoku Master? competition at Madison Area Technical College, Madison, Wisconsin; MATC Sudoku, a 10x10 custom Sudoku alphabet puzzle with repeated entries, April 2007.
- Carriage House Opening Ceremonies for the new Mathematical Association of America conference facility in Washington, D.C.; Carriage House Sudoku, a 13x13 custom Sudoku alphabet puzzle with repeated entries, April 2007.
- Harvey Mudd College Bulletin, the national alumni magazine of Harvey Mudd College, and the MuddMath Newsletter of the Harvey Mudd Department of Mathematics; MUDDoku, a 10x10 custom Sudoku alphabet puzzle with repeated entries, April 2007.
- American University Department of Mathematics and Statistics, Washington, D.C.; Fool's Feast Sudoku, a 10x10 custom Sudoku alphabet puzzle with repeated entries, for a lecture by Laura Taalman at the Fool's Feast Celebration, March 2007.
- Sam Houston State University Department of Mathematics and Statistics, Huntsville, Texas; Sam Houston Sudoku, a 10x10 custom Sudoku alphabet puzzle with repeated entries, for a lecture by Laura Taalman in the Piney Woods Lecture Series, March 2007.
- Pi Mu Epsilon Problem of the Month at Longwood University in Farmville, Virginia; Jumble Pi Sudoku, a 9x9 rainbow jumble puzzle with a π theme in the initial clues, also used at over 35 colleges and universities around the country in various celebrations of Pi Day, March 2007.
- +Plus Magazine, part of the Millennium Mathematics Project based at Cambridge University; Clock Sudoku, a 12-number circular Sudoku variation, Issue 42, March 2007.
- +Plus Magazine, part of the Millennium Mathematics Project based at Cambridge University; Worms, a Sudoku variation with ordering conditions on groups of cells, Issue 41, December 2006.
- 2006 Shenandoah Undergraduate Mathematics and Statistics (SUMS) Conference program, for the annual undergraduate research conference at James Madison University; SUMS Sudoku, a Sudoku variation with sum conditions on groups of cells, October 2006.
- Math Horizons magazine, a publication of the Mathematical Association of America; Pentominoku, a 10x10 Sudoku variation with pentomino regions, used as an
inside-back-cover contest, September 2006.
- The Big Notebook, a publication of the Mathematical Association of America's Special Interest Group on Mathematics in Business, Industry, and Government (BIG SIGMAA), Volume 2, Number 2; Costas Array Sudoku, a Sudoku variation with extra regions determined by a 9x9 Costas array, August 2006.
- Puzzle Corner of the James Madison University Department of Mathematics and Statistics newsletter; Samurai X, five interlocking Sudoku X puzzles, May 2006.
- 2005 Shenandoah Undergraduate Mathematics and Statistics (SUMS) Conference program, for the annual undergraduate research conference at James Madison University; JMU SUMS 05, a 9x9 repeat-allowed custom Sudoku puzzle, November 2005.
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