1. Introduction
2. The Haldane-Shastry model of a one-dimensional antiferromagnet and its elementary excitations
3. Spinon dynamics in the Haldane-Shastry model
4. The Kuramoto-Yokoyama model of a one-dimensional insulator and its elementary excitations
5. One-spinon one-holon dynamics in the Kuramoto-Yokoyama model
6. Physical consequences of the interaction between spinons and holons
7. Conclusion