简介：Inthispaperweconsidersomeparalleliterationsforsplittingquadraticfactorsofpolynomialsandtheirconvergence.

简介：LiuandYangavethedegreeconditionforabalancedbipartitegraphG=(V_1,V_2;E)tohavekvertex-disjointquadrilateralscontaininganygivenkindependentedgese_1,...,e_kofG,respectively.Theyalsoconjecturedthatforanykindependentedgese_1,...,e_kofG,Ghasa2-factorwithkcyclesC_1,C_2,…,C_kwithrespectto{e_1,e_2,...,e_k}suchthatk-1ofthemarequadrilaterals.Inthispaper,weprovethisconjecture.

简介：在这篇论文，我们在场某新不安为在一个特殊unitarily不变的标准的单一的极的因素把Q标准称为的潜水艇跳。在Frobeniusnorm的一些最近的结果并且光谱标准一方面被扩大到Q标准。在另一方面，我们也为潜水艇介绍一些相对不安界限单一的极的因素。

简介：Pulsatilebloodflowsincurvedatheroscleroticarteriesarestudiedbycom-putersimulations.Computationsarecarriedoutwithvariousvaluesofphysiologicalparameterstoexaminetheeffectsofflowparametersonthedisturbedflowpatternsdownstreamofacurvedarterywithastenosisattheinnerwall.Thenumericalre-suitsindicateastrongdependenceofflowpatternonthebloodviscosityandinletflowrate,whiletheinfluenceoftheinletflowprofiletotheflowpattemindownstreamisnegligible.

简介：Inthispaper,theconceptoftheinfinitesimalrealizationfactorisextendedtotheparameter-dependentperformancefunctionsinclosedqueueingnetworks.Thentheconceptsofrealizationmatrix(itselementsarecalledrealizationfactors)andperformancepotentialareintroduced,andtherelationsbetweeninfinitesimalrealizationfactorsandthesetwoquantitiesarediscussed.ThisprovidesaunitedframeworkforbothIPAandnonIPAapproaches.Finally,anotherphysicalmeaningoftheservicerateisgiven.

简介：Therearemanyacceleratingconvergencefactors(ACFs)forlimitperiodiccontinuedfractionK(an/1)(an→a≠0).Inthispaper,somecharacteristicsandcomparativetheoremsareobtainedonACFs.TworesultsaregivenformostfrequentlyusedACFs.

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简介：Quantileregressionisgraduallyemergingasapowerfultoolforestimatingmodelsofconditionalquantilefunctions,andthereforeresearchinthisareahasvastlyincreasedinthepasttwodecades.Thispaper,withthequantileregressiontechnique,isthefirstcomprehensivelongitudinalstudyonmathematicsparticipationdatacollectedinAlberta,Canada.Themajoradvantageoflongitudinalstudyisitscapabilitytoseparatetheso-calledcohortandageeffectsinthecontextofpopulationstudies.Oneaimofthispaperistostudywhetherthefamilybackgroundfactorsalterperformanceonthemathematicalachievementofthestrongeststudentsinthesamewayasthatofweakerstudentsbasedonthelargelongitudinalsampleof2000,2001and2002mathematicsparticipationlongitudinaldataset.Theinterestingfindingssuggestthattheremaybedifferentialfamilybackgroundfactoreffectsatdifferentpointsinthemathematicalachievementconditionaldistribution.

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