〈a, b | aa=a, bbabbb=ba〉

Properties

• Infinite non-commutative monoid

Completion parameters

• Reduction order: left-to-right b/a

Complete rewriting system

1. bab¹² ⇒ ba
2. b²a ⇒ bab⁹
3. a² ⇒ a
4. (ba)² ⇒ bab⁹

Right Cayley graph (truncated)

Left Cayley graph (truncated)