#4876 ⟨a, b | abbabbba=bab⟩
Contents
- Properties
- Rewriting system
- Other submonoids of same group
- Other submonoids of anti-isomorphic group
- Sum of relation sides is 11
- Infinite cancellative non-commutative monoid
- Element a has infinite order
- Submonoid of enveloping group: ⟨a, b | aabab-1b-1⟩
-
Embedding: φ(a) = b-1ab-1aa, φ(b) = a-1b
- Auxiliary generators:
- c = ab
- d = cbb
- Reduction order:
- Right-to-left recursive path with deg(a) = 0; deg(d) = deg(c) = 1, d < c; deg(b) = 2
- Certificate: derivations of all rewriting rules from the defining relations.
- Morphocompletion: how the auxiliary generators were found.
# ab:abbabbba=bab reversed:a/dc/b ab=c,cbb=d morph:2/1,3/1
ab=c
acbda=cc
bc=cbda
acbdd=cdb
acbdc=ccb
accbddd=cddcb
acccbddd=cdcbdc
accccbddd=cddc
acccccbddd=cdcbda
ccccccbddd=bdda
ccbdcda=dc
bddc=ccccbddd
ccbdcdd=ddb
ccbdcdc=dcb
cbb=d
bdb=cbdd
cbdcb=bd
ccbdddb=bddd
bbd=cbdcdcb
bddbd=ccbddddcb
ccbdcdbd=dddcb
bdcbda=cccccbddd
cbdccbda=bdc
ccbdddcbda=bdddc
bdcbdd=cbdddb
cbdccbdd=bddb
ccbdddcbdd=bddddb
bdcbdc=cccbddd
cbdccbdc=bdcb
ccbdddcbdc=bdddcb
bdccbddd=cbddddcb
bdcccbddd=cbdddcbdc
ccbdddccbddd=bdddddcb
bdccccbddd=cbddddc
ccbdddcccbddd=bddddcbdc
bdcccccbddd=cbdddcbda
ccbdddccccbddd=bdddddc
ccbdddcccccbddd=bddddcbda
11 unique, 55 total
| Σ | # | Presentation | Properties | φ |
| 6 | 104 | ⟨a, b | aaba=bb⟩ | Can Inf | |
| 7 | 145 | ⟨a, b | aababba=1⟩ | Grp Inf | 44 |
| 7 | 193 | ⟨a, b | ababba=b⟩ | Can Inf | |
| 7 | 252 | ⟨a, b | aaba=bab⟩ | Can Inf | |
| 9 | 842 | ⟨a, b | abaababa=b⟩ | Can Inf | |
| 9 | 1126 | ⟨a, b | ababba=bab⟩ | Can Inf | |
| 9 | 1273 | ⟨a, b | abbba=babb⟩ | Can Inf | |
| 10 | 2633 | ⟨a, b | abbbba=babb⟩ | Can Inf | |
| 11 | 3716 | ⟨a, b | abaaabaaba=b⟩ | Can Inf | |
| 11 | 5415 | ⟨a, b | abbbbba=babb⟩ | Can Inf | |
| 11 | 5898 | ⟨a, b | ababba=babab⟩ | Can Inf | |
7 unique, 7 total