简介：Ｋ１，ｋ┐ＦＡＣＴＯＲＩＺＡＴＩＯＮＯＦＢＩＰＡＲＴＩＴＥＧＲＡＰＨＳＤＵＢＥＩＬＩＡＮＧＡｂｓｔｒａｃｔ．Ｉｎｔｈｉｓｐａｐｅｒ，ａｎｅｃｅｓｓａｒｙｃｏｎｄｉｔｉｏｎｆｏｒａｂｉｐａｒｔｉｔｅｇｒａｐｈλＫｍ，ｎｔｏｂｅＫ１，ｋ－ｆａｃｔｏｒｉｚ...

简介：SupposethatCisthecomplexplaneandkisanon-negativeinteger.DefinefunctionsNk-(x)=|x|kifkisevenandNk(x)=x|x|k-1ifkisodd.SomeapproximationpropertiesofNk-(x)’sisdiscussedandanewexampleofaTchebycheffsystemisgivenout.

简介：<正>InthispaperwedisscustherelativeindexfortheAtiyah-Patodi-Singertypeellipticboundaryvalueproblems,asanapplicationwegiveanewapproachtothepairingbetweentherelativeK-homologyandK-cohomology.

简介：Inthispaperwegivetheexactorderof丨x-xk丨丨lk（x）丨foranyfixednonnegativeintegerssandt,whichisn-s,n-slnnandn1-fors≤t-2,s=t-1ands≥t,respectively.

简介：讨论了(k,n-k)共轭边值问题.在适当的非线性项零点假设下,得到了多正解的存在性,给出了正解的全局连通分支.

简介：Thisisthecontimuationof[8].ThemainpurposeofthispaperistogivebothgeneralfromofanyunitaryextensionandunitarydilationofacontractionofⅡKassociatedwithitstrianglemodel.

简介：

简介：《K文件》这本有占奇怪的左图右文的书，是一群有点奇怪的K客玩出来的，K客是一群艺术玩家，他们几乎无所不玩，无所不玩而后快，他们提出的口号是：一、用自己的玩法去玩。二、人人都是艺术家。然后，他们使用PS、鼠标笔、某种奇怪的文字，各种随手物件和一个开窍的大脑，开始去K。

简介：

简介：Inthisstudy,weattempttheanalysisofthepassageflowinthecentrifugalimpellerusingFEMwith/withouttheturbulencemodel,andcomparethisresultwiththeexperimentalresult.TheturbulencemodelisthelowReynoldsk-εmodelproposedbyChien.WeusetheGSMACmethodfortheReynoldsaveragedNavier-Stokesequations,theEulerexplicitmethodforthetransportequationsoftheturbulentkineticenergyandthedissipationrate.AllequationsarediscretizedbytheGalerkin'smethod.Atthemidpassageofthecentrifugalimpeller,thepassagewisevelocitycomponenttendstoincreaseinthepressure-to-suctiondirection,andtheothercomponenttowardthepressuresurfacetendstobelargeintheregionofthemiddleblade-to-bladetothehubside.Thetipleakagesappeararoundtheregionofthemiddleblade-to-bladenearthecasingtogetherwiththesecondaryflowtowardthesuctionsurface.Thesephenomenacorrespondwiththeexperimentalresult,qualitatively.

简介：本文在Glover—Klingman算法及最小费用支撑树对策的基础上，讨论了最小费用k度限制树对策问题．利用威胁、旁支付理论制订了两种规则，并利用优超、策略等价理论分别给出了在这两种规则下最小费用k度限制树对策核心中的解，从而证明了在这两种规则下其核心非空．

简介：Inthispaperwewillanalyzetheperturbationqualityforanewalgorithmofthe(k)Jacobimatrixinverseeigenvalueproblem.

简介：一个非退化的m维随机向量Y称为是k阶几何无穷可分的，是指对任何0

简介：本文讨论，f(f^（k）)^n的值分布的定量估计并改进了C.K.Tsc与C.C.Yang的一个结果。

简介：Mixedalcoholisofgreatpromiseasoctaneimproverinautomotivefuel,andhopefultoreplacetheMTBEtoreducetheenvironmentalpollution,Inthisfield,alkali-promtedmolybdenum-basedcatalystshavebeengivenspecialinterestbecauseoftheirexcellentsulfur-toleranceforsynthesisofmixedalcoholfromCO+H2,Itwasreportedthatthecoblatisafavorablepromoterforenhancingalcoholproduction,especiallyforimprovingtheselectivityforC2+alcohol[1-3],moreover,stronginteractionbetweenConandMoisinfavorofmixedalcoholsynthesis[4].Recently,weprparedakindofK-Co-Moultrafineparticlesbysol-gelmethodanditshowsmuchsmallerparticlesizebuthigheractivtyandselectivitytowardalcoholformationthantheonepreparedbyconventionalmethod[5],TheaimofthepresentworkistoresearchthemicostructuresoftheMoandCospeciesintheK-Co-Mosamplespreparedbydifferentmethod.

简介：本文介绍了一个引理,这个引理奠定了K4-同胚图K4(α,1,1,δ,ε,η)色性研究的基础.

简介：Ingasturbineengines,laminar-turbulenttransitionoccurs.However,generally,theturbulencemodelstodescribesuchtransitionresultsintooearlyandtooshorttransition.Combiningaturbulencemodelwithadescriptionofintermittency,i.e.thefractionoftimetheflowisturbulentduringthetransitionphase,canimproveit.Bylettinggrowtheintermittencyfromzerotounity,startandevolutionoftransitioncanbeimposed.Inthispaper,amethodwhereadynamicequationofintermittencycombiningwithatwo-equationk-ωturbulencemodelisdescribed.Thisintermittencyfactorisapremultiplicatoroftheturbulentviscositycomputedbytheturbulencemodel.FollowingasuggestionbyMenteretal.[1],thestartoftransitioniscomputedbasedonlocalvariables.

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：这笔记使全球存在担心；Khler-Ricci流动方程的解决方案的集中什么时候正规的班，KX，是数字地有效的；大。我们在一般类型的射影的manifolds上关于这流动澄清一些已知的结果；另外显示出一些新观察；精制结果。

简介：引入了k-一致超图的补图的概念，并讨论了它的Laplacian与其补图的Laplacian之间的关系。