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〈a, b | ba=ab, aabb=aa〉
Monoid presentation of length 10
Properties
- Infinite commutative monoid
- Isomorphic to commutative presentation: 〈a, b | 2a+2b=2b〉
- Grothendieck group is ℤ2 ⊕ ℤ
Completion parameters
- Reduction order: left-to-right ab
Complete rewriting system
- ba ⇒ ab
- a2b2 ⇒ a2
Right Cayley graph (truncated)
Other isomorphic instances
3 total
| Length: | Presentation: |
|---|
| 10 | 〈a, b | ba=ab, abab=aa〉 |
| 10 | 〈a, b | ba=ab, abba=aa〉 |
| 10 | 〈a, b | ba=ab, abba=bb〉 |