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〈a, b | ba=ab, bb=aa〉
Monoid presentation of length 8
Properties
- Infinite commutative monoid
- Isomorphic to commutative presentation: 〈a, b | 2a=2b〉
- Grothendieck group is ℤ2 ⊕ ℤ
Completion parameters
- Reduction order: left-to-right ab
Complete rewriting system
- ba ⇒ ab
- b2 ⇒ a2
Right Cayley graph (truncated)
