#4604 ⟨
a
,
b
|
aabaaaba
=
bbb
⟩
Up:
Monoids with two generators and one relation
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#4603
⟨
a
,
b
|
aabaaaba
=
bba
⟩
Next:
#4605
⟨
a
,
b
|
aabaaabb
=
aaa
⟩
Quick links
Properties
Rewriting system
Properties
Presentation has sum-of-sides 11
Infinite non-commutative monoid
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(
a
) = 0; deg(
b
) = 1
Certificate
: derivations of all rewriting rules from the defining relations.
#
Rule
Proof
1.
b
3
⇒ (
a
2
ba
)
2
[1]
2.
(
a
2
ba
)
2
b
⇒
b
(
a
2
ba
)
2
[2]
# ab:aabaaaba=bbb a/b bbb=aabaaaba aabaaabab=baabaaaba