Repository logo

Browsing by Author "Abdallah, HABHOUB"

Filter results by typing the first few letters
Now showing 1 - 1 of 1
  • No Thumbnail Available
    Item
    Bifurcation in economic grawth model to transformed ode
    (Larbi Tebessi University - Tebessa, 2022) Abdallah, HABHOUB; Laila, GATTAL
    Our workfocusesonstudyingtwopapersdeeply,wherewescrutinizeanddis- cuss themainpaperofGuerrinietal.[?], whichisconsideredageneralization of KrawiecandSzydlowskiwork[?]. Whither,theauthorsinvestigatedthedy- namics ofthemodi_edKaldormodelandconcludedgivingthemtheresultthat the limitcyclebehaviorisindependentoftheassumptionthattheinvestment function iss-shaped.Inthisstudy,asanassumption,supposedthelinearfunc- tion I(Y ), andonlythetime-delayparameterplayacrucialroleincreatingthe limit cycle.Also,theyshowedthatforasmalltime-delayparameter,inthelin- ear approximation,theKaldor_KaleckimodelassumestheformoftheLiénard equation. Alinearstabilityanalysisincludingthetimedelayisshowntobean accurate predictorofthecritical T for the_rstbifurcation.As T is increased, the systembifurcatestothelimitcyclebehavior,thentomultipleperiodicand aperiodiccyclesoreventuallytendstowardsthechaoticbehaviorviatheperiod doubling cascaderoutetotheturbulence. Guerrini etalstudiedapossiblebifurcationexpectedtoachangeofthepa- rameter valuesoftheKaldor-Kaleckigrowthmodel,which,theyconsidertwo simplest casesofthreeandfour-dimensionaldynamicalsystems,thatwereob- tained throughthelinearchaintrickfromtheKaldor-Kaleckigrowthmodel with distributeddelay.Forbothmodels,theexistenceconditions'oftheHopf bifurcation withrespecttothetimedelayparameterandtherateofgrowthpa- rameter areestablished.Finally,wediscussthenumericalstudyintheprevious papers