2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/48287A number of observables are constructed which can give useful information on instanton ensembles.The basic properties used are : (1) Instantons are SU(2) configurations ,(2)They are self-dual or antiself-dual.6 pages,1 figure.Submitted to Acta Physica Slovaca. Dedicated to Jan Pisut on the occasion of his 60th birthdayHigh Energy Physics - PhenomenologyHigh Energy Physics - Latticetext