#12500 ⟨
a
,
b
|
abab
=
aa
,
abbb
=
a
⟩
Up:
Monoids with two generators and two relations
Prev:
#12499
⟨
a
,
b
|
abab
=
aa
,
abba
=
b
⟩
Next:
#12508
⟨
a
,
b
|
abab
=
aa
,
babb
=
a
⟩
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 recursive path with deg(
b
) = 0; deg(
a
) = 1
a
b
3
⇒
a
aba
⇒
a
2
b
2
a
2
b
2
a
⇒
a
3
b
# ab:abab=aa,abbb=a b/a abbb=a aba=aabb aabba=aaab
Right Cayley graph (truncated)
Left Cayley graph (truncated)
