2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/64182We show how the quantum Chevalley formula for G/B, as stated by Peterson and proved rigorously by Fulton and Woodward, combined with ideas of Fomin, S. Gelfand and Postnikov, leads to a formula which describes polynomial representatives of the Schubert cohomology classes in the canonical presentation of QH^*(G/B) in terms of generators and relations.Revised version of "Quantization map for G/B"CombinatoricsRepresentation Theory05E15; 22E46text