#2522 ⟨a, b | aabbaa=aaab⟩
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- Properties
- Rewriting system
- Presentation has sum-of-sides 10
- Infinite non-cancellative non-commutative monoid
- Not left cancellative, because left multiplication by a is not injective:
-
a ⋅ ab2a2 = a3b and a ⋅ a2b = a3b, however ab2a2 ≠ a2b
- Enveloping group: ⟨a, b | aabba-1b-1⟩
- Auxiliary generators:
- c = aaab
- Reduction order:
- Left-to-right shortlex with b < c < a
- Certificate: derivations of all rewriting rules from the defining relations.
# ab:aabbaa=aaab bca aaab=c magic:0
cbaa=ac
acab=cbc
aaab=c
cbbaa=cab
cabab=cbbc
acbbc=cbcab
acaab=cbac
aabbc=cab
cbacbc=accab
cabbbc=cbbcab
cabbaa=caab
cabaab=cbbac
caabab=cabbc
acbbac=cbcaab
aabbac=caab
aabbaa=c
cbbacbc=cabcab
cbacbac=accaab
cabbbac=cbbcaab
cabbbaa=cbbc
caabbbc=cabbcab
caabaab=cabbac
cbbacbac=cabcaab
cabbacbc=caabcab
caabbbac=cabbcaab
caabbbaa=cabbc
cabbacbac=caabcaab