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〈a, b | ba=ab, aaaab=aa〉
Monoid presentation of length 11
Properties
- Infinite commutative monoid
- Isomorphic to commutative presentation: 〈a, b | a+4b=2b〉
- Grothendieck group is ℤ
Completion parameters
- Reduction order: left-to-right ab
Complete rewriting system
- ba ⇒ ab
- a4b ⇒ a2
Right Cayley graph (truncated)
Other isomorphic instances
2 total
| Length: | Presentation: |
| 11 | 〈a, b | ba=ab, aaaba=aa〉 |
| 11 | 〈a, b | ba=ab, aabaa=aa〉 |