#9456 ⟨
a
,
b
|
aa
=1,
abababab
=1⟩
Up:
Monoids with two generators and two relations
Prev:
#9383
⟨
a
,
b
|
ab
=
a
,
bbbb
=
bbb
⟩
Next:
#9474
⟨
a
,
b
|
aa
=1,
abbabbbb
=1⟩
Properties
Presentation has sum-of-sides 10
Infinite non-Abelian group
Inverses of generators:
a
-1
=
a
b
-1
=
a
(
ba
)
3
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
2
⇒ 1
b
(
ab
)
3
⇒
a
# ab:aa=1,abababab=1 ab aa=1 bababab=a
Right Cayley graph (truncated)
Left Cayley graph (truncated)
Other isomorphic instances
The mapping is from the listed presentation's alphabet to the current rewriting system's alphabet.
1 total
Σ
#
Presentation
Mapping
10
9778
⟨
a
,
b
|
aa
=1,
bababab
=
a
⟩
φ
(
a
) =
a
,
φ
(
b
) =
b