The no-three-in-line problem in discrete geometry asks how many points can be placed in the n × n {\displaystyle n\times n} grid so that no three points...

animated The Three-Body Problem in Minecraft (2014–2020) and the Chinese live-action Three-Body (2023), and the first not exclusively in Mandarin. It...

the three utilities problem or sometimes water, gas and electricity asks for non-crossing connections to be drawn between three houses and three utility...

is the problem of placing eight chess queens on an 8×8 chessboard so that no two queens threaten each other; thus, a solution requires that no two queens...

Map folding – various problems in map folding and stamp folding. No-three-in-line problem – how many points can be placed in the n × n {\displaystyle...

The Monty Hall problem is a brain teaser, in the form of a probability puzzle, based nominally on the American television game show Let's Make a Deal...

-dimensional affine space over a three-element field) where no three elements sum to the zero vector. The cap set problem is the problem of finding the size of...

"Combinatorial problems, some old, some new and all newly attacked by computer". Mathematical Games. Scientific American. Vol. 235, no. 4. pp. 131–137...

strengthened. Erdős formulated the no-three-in-line problem, on large sets of grid points with no three in a line, to describe these examples. As Erdős...

been used for several applications in discrete geometry including cyclic polytopes, the no-three-in-line problem, and a geometric proof of the chromatic...