〈a, b | aba=ab, bbb=b〉

Properties

• Infinite non-commutative monoid

Completion parameters

• Reduction order: left-to-right ab

Complete rewriting system

1. aba ⇒ ab
2. b³ ⇒ b
3. ab²a ⇒ ab²

Right Cayley graph (truncated)

Left Cayley graph (truncated)