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〈a, b | ba=ab, aab=aa〉
Monoid presentation of length 9
Properties
- Infinite commutative monoid
- Isomorphic to commutative presentation: 〈a, b | a+2b=2b〉
- Grothendieck group is ℤ
Completion parameters
- Reduction order: left-to-right ab
Complete rewriting system
- ba ⇒ ab
- a2b ⇒ a2
Right Cayley graph (truncated)
Other isomorphic instances
1 total
| Length: | Presentation: |
|---|
| 9 | 〈a, b | ba=ab, aba=aa〉 |