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〈a, b | aa=a, babbab=a〉
Monoid presentation of length 10
Properties
- Infinite commutative monoid
- Isomorphic to commutative presentation: 〈a, b | 2b=b, 4a+b=b〉
- Grothendieck group is ℤ4
Completion parameters
- Reduction order: left-to-right ab
Complete rewriting system
- a2 ⇒ a
- ba ⇒ ab
- ab4 ⇒ a
Right Cayley graph (truncated)
Other isomorphic instances
6 total
| Length: | Presentation: |
|---|
| 11 | 〈a, b | aab=ba, babbb=a〉 |
| 11 | 〈a, b | aab=ba, bbbab=a〉 |
| 11 | 〈a, b | aba=ab, babbb=a〉 |
| 11 | 〈a, b | aa=a, baabbab=a〉 |
| 11 | 〈a, b | aa=a, bababab=a〉 |
| 11 | 〈a, b | aa=a, babbab=aa〉 |