1. Introduction 2. List of relations 3. The first properties of $\mathcal {H}$ 4. The group $\mathcal {H}_2$ 5. The word problem in $\mathcal {H}_1$ 6. Some special diagrams 7. Computations of $\mathcal {S} \cup \bar {\mathcal {S}}$ 8. Spirals 9. Rolls 10. Arrangement of hubs 11. The end of the proof
Summary
Introduction List of relations The first properties of ${\mathcal H}$ The group ${\mathcal H}_2$ The word problem in ${\mathcal H}_1$ Some special diagrams Computations of ${\mathcal S} \cup {\bar{\mathcal S}}$ Spirals Rolls Arrangement of hubs The end of the proof References Subject index
Notes
"Volume 170, number 804 (first of 4 numbers)."
Bibliography
Includes bibliographical references (pages 128-130) and index
