#1687 ⟨
a
,
b
|
abb
=
aa
,
bbb
=
b
⟩
Up:
Monoids with two generators and two relations
Prev:
#1686
⟨
a
,
b
|
abb
=
aa
,
bbb
=
a
⟩
Next:
#1689
⟨
a
,
b
|
abb
=
ab
,
bbb
=
b
⟩
Properties
Presentation has sum-of-sides 9
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
b
3
⇒
b
a
2
⇒
a
b
2
a
b
2
a
⇒
a
b
2
# ab:abb=aa,bbb=b b/a bbb=b aa=abb abba=abb
Right Cayley graph (truncated)
Left Cayley graph (truncated)
Other anti-isomorphic instances
The mapping is from the listed presentation's alphabet to the current rewriting system's alphabet.
1 total
Σ
#
Presentation
Mapping
11
19238
⟨
a
,
b
|
aaa
=
a
,
aaaab
=
bb
⟩
φ
(
a
) =
b
,
φ
(
b
) =
a