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- Ricardo Soto, Broderick Crawford, Cristian Galleguillos, Eric Monfroy, Fernando Paredes
- Expert Syst. Appl.
- 2013

The Sudoku problem consists in filling a n 2 Â n 2 grid so that each column, row and each one of the n Â n sub-grids contain different digits from 1 to n 2. This is a non-trivial problem, known to be NP-complete. The literature reports different incomplete search methods devoted to tackle this problem, genetic computing being the one exhibiting the best… (More)

- Ricardo Soto, Broderick Crawford, Cristian Galleguillos, Fernando Paredes, Enrique Norero
- Comp. Int. and Neurosc.
- 2015

The Sudoku problem is a well-known logic-based puzzle of combinatorial number-placement. It consists in filling a n(2) × n(2) grid, composed of n columns, n rows, and n subgrids, each one containing distinct integers from 1 to n(2). Such a puzzle belongs to the NP-complete collection of problems, to which there exist diverse exact and approximate methods… (More)

- Ricardo Soto, Broderick Crawford, Cristian Galleguillos, Eric Monfroy, Fernando Paredes
- TheScientificWorldJournal
- 2014

The Sudoku is a famous logic-placement game, originally popularized in Japan and today widely employed as pastime and as testbed for search algorithms. The classic Sudoku consists in filling a 9 × 9 grid, divided into nine 3 × 3 regions, so that each column, row, and region contains different digits from 1 to 9. This game is known to be NP-complete, with… (More)

- Ricardo Soto, Broderick Crawford, +5 authors Fernando Paredes
- ICCSA
- 2015

- Ricardo Soto, Broderick Crawford, +5 authors Enrique Norero
- Swarm and Evolutionary Computation
- 2016

- Ricardo Soto, Broderick Crawford, +6 authors Fernando Paredes
- ICCSA
- 2015

- Ricardo Soto, Broderick Crawford, +4 authors Fernando Paredes
- HCI
- 2015

- Ricardo Soto, Broderick Crawford, Cristian Galleguillos, Natalia Niño, Fernando Paredes
- 2015 10th Iberian Conference on Information…
- 2015

The aim of the Sudoku puzzle is filling with digits from 1 to 9 into each cell of a square matrix with 9 rows and 9 columns, divided into 9 3 × 3 regions, so that each column, row, and region contains have different values. This paper reports recent results for solving Sudokus achieved by combining metaheuristics and AC3 which is a filtering… (More)

- Ricardo Soto, Broderick Crawford, Cristian Galleguillos, Francisca C. Venegasy, Fernando Paredes
- 2015 Fourteenth Mexican International Conference…
- 2015

Millions of people around the world are solving a complex constraint satisfaction problem although they do not know. This problem is a famous game known as Sudoku puzzle and it consists in filling a n<sup>2</sup> × n<sup>2</sup> grid, composed by n columns, n rows and n sub-grids, each one containing different digits from 1 to n<sup>2</sup>. In this… (More)