#20201 ⟨
a
,
b
|
aba
=
a
,
aabb
=
abb
⟩
Up:
Monoids with two generators and two relations
Prev:
#20199
⟨
a
,
b
|
aba
=
a
,
aabb
=
aab
⟩
Next:
#20202
⟨
a
,
b
|
aba
=
a
,
aabb
=
baa
⟩
Properties
Presentation has sum-of-sides 11
Infinite non-commutative monoid
Complete rewriting system
Format:
Pretty
Plain
Word to reduce:
Tips:
Lowercase letters stand for generators.
Spaces are ignored.
Numbers repeat the previous letter, e.g.
b90
.
Reduction strategy:
Leftmost
Rightmost
Path to normal form:
1
1
Reduction order:
Left-to-right shortlex with
a
<
b
aba
⇒
a
a
2
b
2
⇒
a
b
2
# ab:aba=a,aabb=abb ab aba=a aabb=abb
Right Cayley graph (truncated)
Left Cayley graph (truncated)
