2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/39808We report our theoretical study on how to probe the anomalous CP-violating couplings of the top quark in the ttbar region at future e+e- linear colliders. We focus on the unique role of the ttbar threshold region.11 pages, 6 figures. Talk given at the Kiken Meeting: ``New Perspectives in Elementary Particle Physics'', Kyoto, Japan, July 17 - 20, 2000High Energy Physics - Phenomenologytext