〈a, b | aaa=1, ababba=bb〉

Properties

• Infinite non-commutative monoid

Completion parameters

• Reduction order: right-to-left b/a

Complete rewriting system

1. a²b² ⇒ bab²a
2. abab² ⇒ b²a²
3. a³ ⇒ 1

Right Cayley graph (truncated)

Left Cayley graph (truncated)