〈a, b | abb=aaa, bbb=bb〉

Properties

• Infinite non-commutative monoid

Completion parameters

• Reduction order: left-to-right b/a

Complete rewriting system

1. b³ ⇒ b²
2. ab²a ⇒ a²b²
3. a³ ⇒ ab²

Right Cayley graph (truncated)

Left Cayley graph (truncated)