#113 ⟨a, b | abba=bb⟩

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Quick links

  1. Properties
  2. Rewriting system
  3. Other submonoids of same group

Properties

Rewriting system

Format:
Word to reduce:
Tips:
  • Lowercase letters stand for generators.
  • Spaces are ignored.
  • Numbers repeat the previous letter, e.g. b90.
Reduction strategy:
Path to normal form: 1 
1
#RuleProof
1. ab2a ⇒ b2 [1]
2. b4a ⇒ ab4 [2]
# ab:abba=bb ab
abba=bb
bbbba=abbbb

Other submonoids of same group

8 unique, 28 total

Σ#PresentationDescriptionRelated
660⟨a, b | aaabba=1⟩Infinite non-Abelian group19 iso
693⟨a, b | abbba=b⟩Infinite cancellative non-commutative monoid
696⟨a, b | aaaa=bb⟩Infinite cancellative non-commutative monoid
6122⟨a, b | bab=aaa⟩Infinite cancellative non-commutative monoid
8404⟨a, b | abababa=b⟩Infinite cancellative non-commutative monoid1 iso
8549⟨a, b | ababa=bab⟩Infinite cancellative non-commutative monoid
102355⟨a, b | abbabba=bab⟩Infinite cancellative non-commutative monoid
102586⟨a, b | abaaba=baab⟩Infinite cancellative non-commutative monoid