Back
〈a, b | ba=ab, aaaa=1〉
Monoid presentation of length 8
Properties
- Infinite commutative monoid
- Isomorphic to commutative presentation: 〈a, b | 4b=0〉
- Grothendieck group is ℤ4 ⊕ ℤ
Completion parameters
- Reduction order: left-to-right ab
Complete rewriting system
- ba ⇒ ab
- a4 ⇒ 1
Right Cayley graph (truncated)
Other isomorphic instances
2 total
| Length: | Presentation: |
| 10 | 〈a, b | aba=aab, aaaa=1〉 |
| 10 | 〈a, b | aaaa=1, aaaba=b〉 |