2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/105946A noncommutative geometry that preserves lorentz covariance was introduced by Hartland Snyder in 1947. We show that this geometry has unusual properties under momentum translation, and derive for it a form of star product.5 pages, work presented at 7th International Wigner Symposium, Aug. 2001, at College Park, MD, USAHigh Energy Physics - Theorytext