2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/164667We prove cobordism index invariance for pseudo-differential elliptic operators on closed orbifolds with $K$--theoretical methods.New proofs for Theorems 4.2 and 4.3, results extended to all actions by compact Lie groupsK-Theory and HomologyOperator Algebras19K56, 46L80text