2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/59660We give several new formulas which are useful for Schubert Calculus associated with the orthogonal groups and related orthogonal degeneracy loci.26 pages, AMSTEX. to appear in volume 48 of the Michigan Math.J. in honor of William FultonAlgebraic GeometryCombinatorics14N15, 14M15, 05E15Orthogonal divided differences and Schubert polynomials, P-functions, and vertex operatorstext