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Sudoku
New post in Sudoku
Drawing a Sudoku grid and labelling its “elements”
August 1st, 2022
sudoku
TikZ: “Zig-Zag” lines
September 8th, 2020
tikz-pgf
sudoku
TikZ - Placing several numbers in one cell of a Sudoku grid
December 15th, 2020
formatting
sudoku
tikz-pgf
From a Sudoku puzzle to a system of equations
August 1st, 2022
sudoku
systems-of-equations
linear-algebra
Can a sudoku with valid columns and rows be proved valid without evaluating every 3x3 inside it?
August 1st, 2022
sudoku
latin-square
Normalizing a matrix with row and column swapping
August 1st, 2022
sudoku
linear-algebra
combinatorics
matrices
How to solve an empty sudoku?
August 1st, 2022
matrices
sudoku
algorithms
Sudoku puzzles and propositional logic
October 22nd, 2020
sudoku
discrete-mathematics
propositional-calculus
Minimum and maximum determinant of a sudoku-matrix
August 1st, 2022
matrices
sudoku
recreational-mathematics
determinant
eigenvalues-eigenvectors
Maximum number of clues in a Sudoku game that does not produce a unique solution
August 1st, 2022
sudoku
algorithms
puzzle
Can a solved Sudoku game have an invalid region if all rows and columns are valid?
August 1st, 2022
examples-counterexamples
sudoku
latin-square
puzzle
Are there any valid continuous Sudoku grids?
October 29th, 2020
real-analysis
sudoku
Is a Sudoku a Cayley table for a group?
July 5th, 2020
permutations
sudoku
group-theory
combinatorics
finite-groups
Sudokus as composition tables of finite groups
March 9th, 2020
sudoku
finite-groups
group-theory
How many different sudoku puzzles are there?
August 1st, 2022
matrices
combinatorics
sudoku
Calculating Gröbner basis for Sudoku
August 1st, 2022
groebner-basis
recreational-mathematics
abstract-algebra
sudoku
puzzle