Aix-Marseille Université
Institut de Mathématiques de Marseille (I2M) - UMR 7373 Site Saint-Charles : 3 place Victor Hugo, Case 19, 13331 Marseille Cedex 3 Site Luminy : Campus de Luminy - Case 907 - 13288 Marseille Cedex 9
Abstract: We show that the crystallography and the Gelfand-Tsetlyn concrete representation of matrices, as well as the Clebsch-Gordan coefficients of intertwiners are naturally described in terms of discretized Gauss and Riemann curvature.