"November 1997, volume 130, number 620 (end of volume)."
Includes bibliographical references.
1. Introduction -- 2. Rewrite systems -- 3. Semigroup diagrams -- 4. Monoid pictures -- 5. Diagram groups -- 6. Squier's complexes -- 7. Monoid presentations and the diagram groups -- 8. Diagram groups and group theoretic constructions -- 9. Diagram groups over complete presentations -- 10. Finitely presented diagram groups -- 11. Commutator subgroups of diagram groups -- 12. Asphericity -- 13. Recursive presentations of diagram groups -- 14. Computational complexity of the word problem in diagram groups -- 15. Combinatorics on diagrams -- 16. Different types of diagrams and finitely presented simple groups -- 17. Open problems