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Results tagged with puzzle
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user 2841
Recreational mathematics or puzzles with serious mathematical content. Note that math contest problems are generally considered off-topic.
29
votes
1
answer
4k
views
A Presentation for Rubik's cube group?
Let $G$ be Rubik's cube group. It is generated by the rotations by 90 degrees $L,R,D,U,F,B$ (left, right, down, up, front, behind), but what relations beyond $L^4=R^4=...=B^4=1$ do they satisfy? Thus …
- 63.1k
17
votes
2
answers
3k
views
God's number for the $n \times n \times n$-cube
This is a question about Rubik's Cube and generalizations of this puzzle, such as Rubik's Revenge, Professor's cube or in general the $n \times n \times n$ cube. …
- 63.1k