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Rees matrix semigroup

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David Rees (mathematician) | Wikipedia audio article

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Herbalife World Record Workout: 731647 Counting Method

Rees matrix semigroups are a special class of semigroup introduced by David Rees in 1940. They are of fundamental importance in semigroup theory because they are used to classify certain classes of simple semigroups.
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    • Definition 

    • Rees' theorem