〈a, b | abb=aba, bbaa=a〉

Properties

• Infinite non-commutative monoid

Completion parameters

• Reduction order: left-to-right ab

Complete rewriting system

1. ab² ⇒ aba
2. b²a² ⇒ a
3. aba³ ⇒ a²
4. (ab)²a² ⇒ aba

Right Cayley graph (truncated)

Left Cayley graph (truncated)