%0 Journal Article %A Artal Bartolo, Enrique %A Carmona Ruber, Jorge %A Cogolludo Agustín, José Ignacio %A Marcos Buzunáriz, Miguel Ángel %T Topology and combinatorics of real line arrangements. %D 2005 %@ 0010-437X %U https://hdl.handle.net/20.500.14352/50733 %X We prove the existence of complexified real arrangements with the same combinatorics but different embeddings in P2. Such a pair of arrangements has an additional property:they admit conjugated equations on the ring of polynomials over Q(√5). %~