#2565 ⟨a, b | abaaab=aaba⟩
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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 ⋅ ba3b = a2ba and a ⋅ aba = a2ba, however ba3b ≠ aba
- Enveloping group: ⟨a, b | aaabb⟩
- Auxiliary generators:
- c = baa
- d = aca
- Reduction order:
- Left-to-right shortlex with a < b < c < d
- Certificate: derivations of all rewriting rules from the defining relations.
- Morphocompletion: how the auxiliary generators were found.
# ab:abaaab=aaba abcd baa=c,aca=d morph:3/3,3/0
dc=ad
aca=d
ada=acd
baa=c
cba=bdb
cca=bad
cda=ccd
dba=aac
dda=add
aaba=db
addb=abdd
caba=badb
ccdb=bdac
cddb=cbdd
daba=acdb
dbca=aabd
dbda=dbcd
dbdb=aaac
dddb=dbdd
aacdb=dac
abadb=aac
cacdb=bdd
dacdb=abadd
dbddb=dbbdd
dbbadb=aacc