%0 Journal Article %T Atractividad local en la bifurcaci¨®n de zip %A Escobar-Callejas %A Carlos Mario %A Gonz¨¢lez-Granada %A Jos¨¦ Rodrigo %A Posso-Agudelo %A Abel Enrique %J Ingenier¨ªa y Ciencia %D 2010 %I Universidad EAFIT %X in this paper the local segment attractiveness equilibrium that forms on the phenomenon of zip bifurcation for a three-dimensional system of differential equations nonlinear is studied. this work may be regarded as a generalization as a result on farkas's zip bifurcation in competition models. %K zip bifurcation %K k-strategist %K r-strategist %K functional response %K dinamical population %K competitive exclusion principle. %U http://www.scielo.org.co/scielo.php?script=sci_abstract&pid=S1794-91652010000200001&lng=en&nrm=iso&tlng=en