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