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简介：ＢｅｎｅｆｉｔｓｏｆＳｅｒｉｅｓＣｏｍｐｅｎｓａｔｉｏｎｉｎＬｏｎｇＴｒａｎｓｍｉｓｓｉｏｎＳｙｓｔｅｍＸ．Ｚ．Ｌｅｉ，Ｄ．ＰｏｖｈＳＩＭＥＮＳＡＧ，ＰｏｗｅｒｔｒａｎｓｍｉｓｓｉｏｎａｎｄＤｉｓｔｒｉｂｕｔｉｏｎＧｅｒｍａｎｙ，Ｄ９１０５０．Ｐ．Ｏ...

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简介：Itisnotunusualforthelevelofamonthlyeconomictimeseries,suchasindustrialproduction,retailandwholesalesales,monetaryaggregates,telephonecallsorroadaccidents,tobeinfluencedbycalendareffects.Sucheffectsarisewhenchangesoccurinthelevelofactivityresultingfromdifferencesinthecompositionofcalendarbetweenyears.Thetwomainsourcesofcalendareffectsaretradingdayvariationsandmovingfestivals.Ignoringsuchcalendareffectswillleadtosubstantialdistortionsintheidentificationstageoftimeseriesmodeling.Therefore,itismandatorytointroducecalendareffects,whentheyarepresentinatimeseries,asthecomponentofthemodelwhichonewantstoestimate.

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简介：ThepurposeofthispaperistostudythepointwiseandalmosteverywhereconvergenceoftheCesaromeans(C,δ)ofFourier-Jacobiexpansions,themaintermoftheLebesgueconstantofthe(C,8)meansfor-1<δ≤α+1/2isobtained.WiththeaidofthegeneralizedtranslationintermsofJacobipolynomials,pointwiseconvergencetheoremsofthe(C,δ)meansforδ>α+1/2andequiconvergencetheoremsfor-1<δ≤α+1/2areproved.TheanaloguesoftheLebesgue,SalemandYoungtheoremsoftheCesaromeansatthecriticalindexδ=α+1/2areestablished.

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简介：Supposethat{Xn（ω）}areindependentrandomcomplexvariablesequence,E（Xn）-0andThenthecircle{|Z|=ρ}isalmostsurelyanaturalboundaryoftherandomseriessumfromn=1to∞Xn（ω）Zn-1

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简介：YOUNGartistLiJisenwasborninTianjinintheearly1970s.UpongraduatingfromTianjinAcademyofFineArts,hedecidedtofurtherhiseducationintheOilPaintingDepartmentoftheCentralAcademyofFineArts,wherehedevelopedhisownspecialtechnique.Hiswork,andparticularlyhisFlyingMothsseries,hasprovenpopularamongthousandsofvisitorstotheexhibitionshe'sputoneachyearsince1998.

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简介：Theaimofthispaperistoprovethefollowingtheoremconcerningthetermbytermdifferentiationthe-oremofWalsh-Kaczmarzseries.Let(ck)beadecreasingrealsequencewithck＝o(1/(logk)r)γ)forsomeγ＞1.Theng(x)＝∞∑k=1ckκk(x),f(x)＝∞∑k=1ck/kkk(x)areintegrablefunctionsandf(x)isa.e.dyadic(orButzerandWagner)differentiablewithf[1](x)＝g(x)fora.e.x∈[0,1).ThefunctionκkmeansthekthWalsh-Kaczmarzfunction.

简介：InthispaperthemethodofcombiningtheBursamodeltointegrateseveralregionaltimeseriestoderiveaunifiedglobaltimeseriesisintroducedindetail.Then,anexampletakenfromCMONOC(CrustalMovementObservationNetworkofChina)isusedtotestifthecombinationmethodisfeasible.Theprecisionoftheintegratedtimeserieswiththecombinationmethodisbelow2mm(North),3mm(East),thatissameastheresultsfromthedirectintegrationofthetimeseriesandtheprecisionofthebaselineisbelow6mm,whichprovesthatthecombinationmethodcanbeusedtointegrateseveralregionaltimeseriestoderiveaunifiedglobaltimeseries.

简介：Thispaperanalyzesthedynamicsofnonlinearmultivariatetimeseriesmodelsthatisrepresentedbygeneralizedimpulseresponsefunctionsandasymmetricfunctions.Weillustratethemeasuresofshockpersistencesandasymmetriceffectsofshocksderivedfromthegeneralizedimpulseresponsefunctionsandasymmetricfunctioninbivariatesmoothtransitionregressionmodels.TheempiricalworkinvestigatesabivariatesmoothtransitionmodelofUSGDPandtheunemploymentrate.

简介：ＩｎｔｒｏｄｕｃｔｉｏｎＷｈｅｔｈｅｒｅａｒｔｈｑｕａｋｅｓｃａｎｂｅｐｒｅｄｉｃｔｅｄｏｒｎｏｔｉｓｓｔｉｌａｐｒｏｂｌｅｍｉｎｃｏｎｔｒｏｖｅｒｓｙｉｎｔｈｅｓｅｉｓｍｏｌｏｇｉｃａｌｃｉｒｃｌｅ．Ａｔａｎｙｒａｔｅ，ｈｏｗｅｖｅｒ，ｐｅｏｐｌ...

简介：Atestforlinearityintimeserieswithβ-ARCHerrorsisproposedinthispaper.Theempiricalpercentagepointsfortsetstatisticarealsogiven.Thesimulatingresultsundernormalandnon-normalerrordistributionsshowthattestsuggestedbyusisverypower

简介：WeanalysefurtherthereliabilitybehaviourofseriesandparallelsystemsinthesuccessivedamagemodelinitiatedbyDownton.Theresultsarecomparedwiththoseobtainedforothermodelswithdifferentbivariatedistributions.

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