A new proof from the Australian science fiction writer Greg Egan and a 2011 proof anonymously posted online are now being hailed as significant advances on a puzzle mathematicians have been studying ...
In 2011, an anonymous 4chan poster asked how many episodes of a particular anime they would have to watch if they wanted to watch the minimum episodes in every possible way. The problem with this is ...
This is the course webpage for Math304, Department of Mathematics, Simon Fraser University. Spring 2021. In this course we will investigate Rubik's cube, the 15-puzzle, TopSpin, and other permutation ...
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