#625 ⟨a, b | aaaabbbba=1⟩

Quick links

  1. Properties
  2. Rewriting system
  3. Other submonoids of same group
  4. 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. ca ⇒ ac [6]
2. cb ⇒ bc [15]
3. cd ⇒ 1 [9]
4. da ⇒ ad [17]
5. db ⇒ bd [5]
6. dc ⇒ 1 [14]
7. b4 ⇒ d [3]
8. a5 ⇒ c [2]
# ab:aaaabbbba=1 abcd aaaaa=c,bbbb=d magic:0
ca=ac
cb=bc
cd=1
da=ad
db=bd
dc=1
bbbb=d
aaaaa=c

Other submonoids of same group

2 unique, 2 total

Σ#PresentationDescriptionRelated
91148a, b | aaaaa=bbbbInfinite cancellative non-commutative monoid
115364a, b | abababa=bbbbInfinite cancellative non-commutative monoid

Isomorphic instances

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

3 total

Σ#PresentationMapping
9650a, b | aaabbbbaa=1⟩φ(a) = a, φ(b) = b
9652a, b | aaabbbbba=1⟩φ(a) = b, φ(b) = a
9692a, b | aabbbbbaa=1⟩φ(a) = b, φ(b) = a