2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/28090This is a pedagogical introduction to the mathematics of 1-dimensional spin-1/2 antiferromagnets. Topics covered include the Haldane-Shastry Hamiltonian, vector ``supercharges'', conserved spin currents, spinons, the supersymmetric Kuramoto-Yokoyama Hamiltonian, and holons.40 pages of LaTeX, 8 eps figuresStrongly Correlated ElectronsHigh Energy Physics - Theorytext