2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/58689We prove a Riemann-Roch formula for deformation quantization of complex manifolds and its corollary, an index theorem for elliptic pairs conjectured by Schapira and Schneiders.44 pages; second version (minor corrections made)K-Theory and HomologyQuantum Algebratext