〈a, b | abb=aba, baaa=b〉

Properties

• Infinite non-commutative monoid

Completion parameters

• Reduction order: left-to-right ba

Complete rewriting system

1. b²a ⇒ b³
2. aba ⇒ ab²
3. ba³ ⇒ b
4. b⁵ ⇒ b²
5. ab⁴ ⇒ ab

Right Cayley graph (truncated)

Left Cayley graph (truncated)