#12498 ⟨
a
,
b
|
abab
=
aa
,
abba
=
a
⟩
Up:
Monoids with two generators and two relations
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#12487
⟨
a
,
b
|
aabb
=
bb
,
babb
=
b
⟩
Next:
#12499
⟨
a
,
b
|
abab
=
aa
,
abba
=
b
⟩
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
a
3
⇒
a
2
aba
⇒
a
2
b
a
2
b
2
⇒
a
2
a
b
2
a
⇒
a
# ab:abab=aa,abba=a ab aaa=aa aba=aab aabb=aa abba=a
Right Cayley graph (truncated)
Left Cayley graph (truncated)
