2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/18560We considerably simplify Kaufman's solution of the two-dimensional Ising model by introducing two commuting representations of the complex rotation group SO(2n,C). All eigenvalues of the transfer matrix and therefore the partition function are found in a straightforward way.4 pagesStatistical Mechanicstext