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〈a, b | ba=ab, aaaab=b〉
Monoid presentation of length 10
Properties
- Infinite commutative monoid
- Isomorphic to commutative presentation: 〈a, b | a+4b=a〉
- Grothendieck group is ℤ4 ⊕ ℤ
Completion parameters
- Reduction order: left-to-right ab
Complete rewriting system
- ba ⇒ ab
- a4b ⇒ b
Right Cayley graph (truncated)
Other isomorphic instances
2 total
| Length: | Presentation: |
|---|
| 10 | 〈a, b | ba=ab, aaaba=b〉 |
| 10 | 〈a, b | ba=ab, aabaa=b〉 |