Bartolo Luque 1,2 and Ricard V. Solé 1,3 Complex Systems Research Group, Departament de Fisica i Enginyeria Nuclear, Universitat Politécnica de Catalunya, Sor Eulalia d’Anzizu s/n, Campus Nord, Mòdul B5, 08034 Barcelona, Spain Facultad de Matemáticas, Universidad Nacional Autónoma de Mexico, Mexico Distrito Federal, Mexico Santa Fe Institute, 1399 Hyde Park Road, Santa Fe, New Mexico 87501 ~Rec...
