2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/47098The contribution of the anomalous quark-gluon interaction induced by instantons to the polarized and unpolarized gluon distributions in nucleon is estimated. It is shown that this interaction leads to negative gluon polarization in nucleon.9 pages, Latex, 3 figures. Talk presented at DIS97 Workshop, April 1997, Chicago, USAHigh Energy Physics - Phenomenologytext