〈a, b | abab=ab, baaa=b〉

Properties

• Infinite non-commutative monoid

Completion parameters

• Reduction order: left-to-right ab

Complete rewriting system

1. (ab)² ⇒ ab
2. ba³ ⇒ b
3. b²ab ⇒ b²

Right Cayley graph (truncated)

Left Cayley graph (truncated)