简介：在为给定的域Rn的锥性质的唯一的假设下面，这被证明为在Sobolev空格Wm的函数的中间的衍生物的插值不平等，p()或甚至在某加权的Sobolve空格Wwm，p()仍然成立。也就是说，被跳或让一致的锥性质的平常的另外的限制两个都被移开。使用的主要工具是多项式不平等，它由是为光滑、分析的功能的也获得的pointwise版本插值不平等。如此的pointwise版本不平等在有锥性质的无界的领域在无穷为衍生物给明确的腐烂估计。作为腐烂估计的应用，光滑的功能的光线的基础功能近似上的以前的结果被扩大到衍生物同时的近似。

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简介：InthispaperwegiveanalmostsharperrorestimateofHalley’siterationforthemajorizingsequence.Comparedwiththecorrespondingresultsin[6,14],itisfarbetter.Meanwhile,theconvergencetheoremisestablished.forHalley’siterationinBanachspaces.

简介：由使用真实简单谎言代数学的分类，我们由大小写得到限制的根大小写的摆平的长度的最大值，；因此得到部分弯曲的上面的界限紧缩的类型的无法缩减的Riemannian对称的空格。作为应用，这篇论文证实Sampson是在大多数情况中推测军士合同类型的无法缩减的Riemannian对称的空格。

简介：Newestimatesareprovidedforsingularvaluesofamatrixinthispaper.Theseresultsgeneralizeandimprovecorrespondingestimatesforsingularvaluesin[4]-[6].

简介：ＡＲＯＮＳＯＮ＇ＳＥＳＴＩＭＡＴＥＳＡＮＤＣＯＮＤＩＴＩＯＮＡＬＤＩＦＦＵＳＩＯＮＰＲＯＣＥＳＳＥＳＱＩＡＮＺＨＯＮＧＭＩＮ（钱忠民）ＷＥＩＧＵＯＱＩＡＮＧ（魏国强）（ＤｅｐａｒｔｍｅｎｔｏｆＭａｔｈｅｍａｔｉｃａｌＳｔａｔｉｓｔｉｃｓ，ＥａｓｔＣｈ...

简介：这份报纸为TRUNC板元素的错误估计提供简化推导。为有混合边界条件的问题的错误分析也被讨论。[从作者抽象]

简介：Itiswellknownthatwhentherandomerrorsareiid.withfinitevariance,theweekandthestrongconsistencyofLSestimateofmultipleregressioncoefficientsareequivalent.Thisnote,byconstructingacounter-example,showsthatthisequivalencenolongerholdstrueincasethattherandomerrorspossessonlyther-thmomentwith1≤r＜2.

简介：Inthispaper,wepresentsomeiterativemethodsforsolvinglthorderautoregressivemodels,proveglobalconvergenceforl=1case,andthenumericalresultsofnewalgorithmsseemtobemoreefficientthantheonesofCochrane-Orcuttiterativemethod.

简介：AniterativemethodofDeJong,GreigandMadan(1985)forobtainingmaximumlikelihoodestimatesforcontingencytablesderivedfromaMover-Stayermodelisconsidered.Itisshownthatthismethodworksforothersamplingschemesleadingtoincompletecontingencytables.Moreover,compar-isonsindicatethatthemethodisveryfast.

简介：InthispaperweintroducetwokindsofparallelSchwarzdomaindecompositionmethodsforgeneral,selfadjoint,secondorderparabolicequationsandstudythedependenceoftheirconvergenceratesonparametersoftime-stepandspace-mesh.Weprovethatthe,approximatesolutionhasconvergenceindependentofiterationtimesateachtime-level.AndtheL~2errorestimatesaregiven.

简介：TheproblemstudiedinthispaperishowtoestablishweightedestimatesofweaktypenearL~1forthoseoperatorsthatarenotofweaktype(1,1).

简介：Inthispaper,adesigntoestimateclimatenoiseofannualmeantemperaturehasbeenmadebymeansofthemini-muminterannualvarianceandeffectivelyindependentobservationsintimeseries.Byusingittheclimatenoisesofannu-almeansurfaceairtemperatureshavebeenestimatedbasedonthedatafrom1960to1991inthiscountry.Thelowval-uesofclimatenoisesofannualmeantemperaturesarefoundinthesoutheasternTibetPlateau,Yunnan,theSichuanBa-sinandsouthofthemiddleandlowerreachesoftheChangjiangRiverValley.ThehighvaluesareseeninthenorthwesternandnortheasternChinaandtherestoftheTibetPlateau.ArelativelylowvalueregionisinthesouthernXinjiang.

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简介：ThispaperconsidersthepointwiseestimateofthesolutionstoCauchyproblemforquasilin-earhyperbolicsystems,whichbasesontheexistenceofthesolutionsbyusingthefundamentalsolutions.Itgivesasharppointwiseestimatesofthesolutionsondomainunderconsideration.Specially,theestimateispreciseneareachcharacteristicdirection.

简介：在这篇论文，超级集中结果为问题管理了由的边界控制的一个班被导出司烧方程。我们为控制和州的近似导出超级集中结果。超级集中结果上的底，我们获得asymptoticallyexact后验错误估计。

简介：Afiniteelementasymptoticanalysisfordeterminingthelowerbounddynamicbucklingestimatesofimperfection-sensitivestructuresundersteploadofinfinitedurationispresented.Thelowerbounddynamicbucklingloadsandthecorrespondingdisplacementsaresoughtintheformofasymptoticexpansionsbasedonthestaticstabilitycriterionandtheycanbedeterminedbysolvingnumerically(FEM)severallinearproblemswithasinglenonsingularsub-stiffnessmatrix.

简介：Foraspecialclassofnon-injectivemapsonRiemannianmanifoldsanupperboundforthefractaldimensionofinvariantsetintermsofsingularvaluesofthetangentmapanddegreeofnon-injectivityisgiven.

简介：Letbethecollectionofm-timescontinuouslydifferentiableprobabilitydensitiesfonRdsuchthat丨Daf（x1）-Daf（x2）丨≤M‖x1-x2‖βforx1,x2∈Rd,[a]=m,whereDadenotesthedifferentialoperatordefinedbyDa=（[a]）/（x1a…xdad）.UnderratherweakconditionsonK（x）,thenecessaryandsufficientconditionsforsup丨n（x）-f（x）丨=0((（logn/n）λ/（d+3λ）,λ=m+β,f∈arethat∫xaK（xi）dx=0for0<[a]≤m.Finallytheconvergencorateatapointisgiven.

简介：Inthispaper,thenormalapproximationrateandtherandomweightingapproximationrateoferrordistributionofthekernelestimatorofconditionaldensityfunctionf(y!|x)arestudied.Theresultsmaybeusedtoconstructtheconfidenceintervaloff(y|x).