代表性论文与出版物： [1]W.CaoandQ.Sun.Onaclassofequationswithspecialdegreesoverfinitefields,ActaArith.,130(2007),195-202. [2]W.CaoandQ.Sun.Factorizationformulaeoncountingzerosofdiagonalequationsoverfinitefields,Proc.Amer.Math.Soc.,135(2007),1283-1291. [3]W.CaoandQ.Sun.Anewcharacterizationofdualbasesinfinitefieldsanditsapplications,DiscreteAppl.Math.,155(2007),2236-2241. [4]S.F.HongandW.Cao.NotesontheBorwein-ChoiconjectureofLittlewoodcyclotomicpolynomials,ActaMath.Sinica(Engl.Ser.),25(2009),65-76. [5]W.Cao.Smithnormalformofaugmenteddegreematrixanditsapplications,LinearAlgebraAppl.,431(2009),1778-1784. [6]J.M.ChenandW.Cao.Degreematricesanddivisibilityofexponentialsumsoverfinitefields,Arch.Math.(Basel).94(2010),435-441. [7]W.Cao.DilationofNewtonpolytopeandp-adicestimate,DiscreteComput.Geom.45(2011),522-528. [8]W.Cao.ApartialimprovementoftheAx-Katztheorem,J.NumberTheory,132(2012),485-494. [9]Z.J.WeiandW.Cao.Ontheorthogonalityofaclassofpolynomialsystemsoverfinitefields,ActaMath.Sinica(Chin.Ser.),56(2013),575-582. [10]W.Cao.Degreematricesandestimatesforexponentialsumsofpolynomialsoverfinitefields,J.AlgebraAppl.,12(2013),1350030,9pp. [11]M.L.ZhuandW.Cao.InvariantfactorsofdegreematricesandL-functionsofcertainexponentialsums,FiniteFieldsAppl.,28(2014),188-198. [12]H.X.ZanandW.Cao,Powersofpolynomialsandboundsofvaluesets,J.NumberTheory,143(2014),286-292. [13]L.XuandW.Cao.Computationofzetafunctionsofalgebraicvarietiesoverfinitefields,Adv.Math.(China),44(2015),530-536. [14]B.H.DingandW.Cao.P-adicestimatesforexponentialsumsofpolynomialsoverfinitefields,ActaMath.Sinica(Chin.Ser.),58(2015),501-506. [15]S.M.Han,M.L.ZhuandW.Cao.ExponentialsumsandL-functionsofpolynomialsoverfinitefields,PureAppl.Math.(Xi’an),33(1)(2017),92-101. [16]R.Y.Wang,B.B.Wen,W.Cao.Degreematricesandenumerationofrationalpointsofsomehypersurfacesoverfinitefields,J.NumberTheory,177(2017),91-99. [17]W.Cao,S.M.HanandR.Y.Wang.RationalpointsonFermatcurvesoverfinitefields,J.AlgebraAppl.,16(2017),1750046,10pp. [18]H.Huang,S.M.HanandW.Cao.Normalbasesandirreduciblepolynomials,FiniteFieldsAppl.50(2018),272-278.