#5855 ⟨a, b | abaaba=baaab⟩
Contents
- Properties
- Rewriting system
- Other submonoids of same group
- Sum of relation sides is 11
- Infinite cancellative non-commutative monoid
- Element a has infinite order
- Submonoid of enveloping group: ⟨a, b | aaabb⟩
-
Embedding: φ(a) = aabab, φ(b) = b-1a-1a-1b-1a-1b-1a-1a-1b-1a-1b-1a-1a-1
- Auxiliary generators:
- c = baab
- d = caaab
- Reduction order:
- Left-to-right recursive path with deg(a) = 0; deg(d) = deg(c) = deg(b) = 1, d < c < b
- Certificate: derivations of all rewriting rules from the defining relations.
- Morphocompletion: how the auxiliary generators were found.
# ab:abaaba=baaab a/dcb baab=c,caaab=d morph:4/0,5/0
ada=d
add=dda
cd=daaacaaaa
cad=daaacaaa
caad=daaacaa
caaad=daaaca
caaaad=daaac
caaac=daab
caaaaca=daaab
caaab=d
bd=daabaaa
bad=daabaa
baad=daaba
baaad=daab
baaaad=acaaaac
baac=caab
baaac=ad
baaaaca=acaaaab
baab=c
baaab=aca
12 unique, 57 total
| Σ | # | Presentation | Properties | φ |
| 5 | 30 | ⟨a, b | aabba=1⟩ | Grp Inf | 40 |
| 5 | 43 | ⟨a, b | abba=b⟩ | Can Inf | |
| 5 | 46 | ⟨a, b | aaa=bb⟩ | Can Inf | |
| 5 | 53 | ⟨a, b | aba=bb⟩ | Can Inf | |
| 6 | 91 | ⟨a, b | ababa=b⟩ | Can Inf | 5 |
| 6 | 123 | ⟨a, b | bab=aba⟩ | Can Inf | |
| 7 | 267 | ⟨a, b | abba=bab⟩ | Can Inf | |
| 8 | 555 | ⟨a, b | abbba=bab⟩ | Can Inf | |
| 9 | 1137 | ⟨a, b | abbbba=bab⟩ | Can Inf | |
| 9 | 1262 | ⟨a, b | ababa=baab⟩ | Can Inf | |
| 10 | 2361 | ⟨a, b | abbbbba=bab⟩ | Can Inf | |
| 11 | 4887 | ⟨a, b | abbbbbba=bab⟩ | Can Inf | |