2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/227418We investigate link homology theories for stable equivalence classes of link diagrams on orientable surfaces. We apply (1+1)-dimensional unoriented topological quantum field theories to Bar-Natan's geometric formalism to define new theories for stable equivalence classes.This is the version published by Algebraic & Geometric Topology on 24 August 2006Geometric TopologyQuantum Algebra57M25, 57R56, 81T40text