%0 Journal Article %T Din¨¢mica colectiva %A M¨¦NDEZ LANGO %A H¨¦CTOR %J Revista Integraci¨®n %D 2012 %I Universidad Industrial de Santander %X abstract. for a metric compact set x and a continuous map f : x ¡ú x we consider the hyperspace 2x of all closed and nonempty subsets of x with the hausdorff metric, and the induced map : 2x ¡ú 2x. in the past few years the study of the connection between the dynamical properties of £¿ and those of has became an important and fruitful topic. in this paper we survey some significant results in this area. also we collect some open questions and conjectures. %K hyperspace %K discrete dynamics %K collective dynamics %K entropy. %U http://www.scielo.org.co/scielo.php?script=sci_abstract&pid=S0120-419X2012000100004&lng=en&nrm=iso&tlng=en