#652 ⟨a, b | bb=aa, aaa=a

Quick links

  1. Properties
  2. Rewriting system
  3. Isomorphic instances

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. a2 ⇒ b2 [1]
2. b2a ⇒ a [2]
3. ab2 ⇒ a [3]
4. b4 ⇒ b2 [4]
# ab:bb=aa,aaa=a ba
aa=bb
bba=a
abb=a
bbbb=bb

Isomorphic instances

The mapping is from the listed presentation's alphabet to the current rewriting system's alphabet.

4 total

Σ#PresentationMapping
8655a, b | bb=aa, aab=bφ(a) = b, φ(b) = a
106528a, b | aaa=a, aaaa=bbφ(a) = a, φ(b) = b
106674a, b | aab=b, aabb=aaφ(a) = b, φ(b) = a
106698a, b | aab=b, baab=aaφ(a) = b, φ(b) = a