String transformations
Parallel universes
Many-worlds models
Spacetime networks from multiway systems
Commuting operations [on strings]
Conditions for convergence [in string rewriting]
Confluence [in string rewriting]
Completion [in multiway systems]
Relationships between types of networks
![Commuting operations [on strings]](/nks/img/thumbnails/notes-9-11--commuting-operations-on-strings--textonly.png "Commuting operations [on strings]")
![Conditions for convergence [in string rewriting]](/nks/img/thumbnails/notes-9-11--conditions-for-convergence-in-string-rewriting--textonly.png "Conditions for convergence [in string rewriting]")
![Confluence [in string rewriting]](/nks/img/thumbnails/notes-9-11--confluence-in-string-rewriting--textonly.png "Confluence [in string rewriting]")
![Completion [in multiway systems]](/nks/img/thumbnails/notes-9-11--completion-in-multiway-systems--textonly.png "Completion [in multiway systems]")
