1.DifferentialEquationandDynamicalSystem 2.QualitativeTheoryandSymbolicComputation 3.MathematicalBiology

SelectedPublications: 1.YunTian,PeiYu,Bifurcationofsmalllimitcyclesincubicintegrablesystemsusinghigher-orderanalysis,JournalofDifferentialEquations,2018,264(9):5950–5976[PDF] 2.YunTian,MaoanHan,Hopfandhomoclinicbifurcationsfornear-Hamiltoniansystems,JournalofDifferentialEquations,2017,262:3214–3234[PDF] 3.YunTian,PeiYu,Bifurcationoftensmall-amplitudelimitcyclesbyperturbingaquadraticHamiltoniansystemwithcubicpolynomials,JournalofDifferentialEquations,2016,260:971-990[PDF] 4.YunTian,YuanYuan,EffectofanHIVvirotherapymodelwithnonlinearincidenceanddelaysincellinfectionandvirusproduction,Proc.R.Soc.A,2016,472:20150626[PDF] 5.YunTian,PeiYu,CenterconditionsforaswitchingBautinsystem,JournalofDifferentialEquations,2015,259:1203-1226[PDF] 6.YunTian,PeiYu,Anexplicitrecursiveformulaforcomputingthenormalformsassociatedwithsemi-simplecases,Commun.NonlinearSci.Numer.Simulat.,2014,19:2294-2308[PDF] 7.YunTian,MaoanHan,HopfbifurcationfortwotypesofLienardsystems,JournalofDifferentialEquations,2011,251:834-859[PDF]