Group theory provides the abstract language for describing symmetry through the concept of a set equipped with an associative binary operation, identity and inverses. Permutation structures arise when ...
This story is a supplement to the feature "Rubik's Cube Inspired Puzzles Demonstrate Math's "Simple Groups"" which was printed in the July 2008 issue of Scientific American. All three new puzzles ...
A new set of puzzles inspired by Rubik's Cube offers puzzle lovers the chance to get acquainted with the secret twists and turns of mathematical entities called sporadic simple groups Editor's Note: ...
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