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189 个结果
  • 简介:引进分次Armendariz环的概念,讨论了分次环R=n∈ZRn及由它导出的非分次环R,R0,及R[x]之间关于Armendariz环性质的关系,并推广了[8]的结论,得到在R=n∈ZRn是Z-型正分次环的前提下,若R是分次Armendariz,分次正规环,则R是P.P.环(Baer环)当且仅当R是分次P.P.环(分次Baer环).

  • 标签: 分次Armendariz环 分次P.P.环 分次Baer环 分次正规环
  • 简介:在Г-环中定义P-根,次P-根与拟P-根的概念,讨论它们的性质及相互间的关系.给出了次P-根的构造,证明了对Г-环的任一代数性质P,总可确定两个Amitsur-Kurosh根.同时,对Г-环的几个具体根的研究做了统一.拓广了Г-环根理论的研究领域.

  • 标签: 拓广 代数性质 证明 构造 具体 研究领域
  • 简介:SomecharacterizationsoftheconditionalexpectationoperatorsonLebesgue-BochnerspacesL_p(μ,X)aregiven,where1≤p<∞,p≠2.AlsoanexampleisgiventoshowthatthecharacterizationsoftheconditionalexpectationoperatorsonL_p(μ,X)aredifferentfromthatonL_p(μ)_zFinally,arepresentationoftheconstant-preservingcontractiveprojectiononspacesL_p(μ,X)isgotwhen0<p<1.

  • 标签: preserving EXPECTATION OPERATORS Radon CONDITIONAL LEBESGUE
  • 简介:ONTHECLASSφ_~*(α,β,γ,ε,η;A)ofp-VALENTFUNCTIONSWITHREFERENCETOTHEBERNARDIINTEGRALOPERATORJianMing(蹇明)(WuhanUniversity,Wuhan430...

  • 标签: CLASS OPERATOR THEBERNARDI ON FUNCTIONS INTEGRAL
  • 简介:<正>LetD={z∈:|z|<1}andφbeanormalfunctionon[0,1).Forp∈(0,1)suchafunctionφisusedtodefineaBergmanspaceA~p(φ)onDwithweightφ~p(|·|)/(1-|·|~2).Inthispaper,thedualspaceofA~p(φ)isgiven,fourcharacteristicsofCarlesonmeasureonA~p(φ)areobtained.Moreover,asanapplication,threesequenceinterpolationtheoremsinA~p(φ)arederived.

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  • 简介:Letp(z)=beapolynomialdegreenandletThenaccord-ingtoBernstein’sinequality||p’||p||.ItisawellknownopenproblemtoobtaininequalityanalogoustoBernstein’sinequalityfortheclassIInofpolynomialssatisfyingp(z)≡znp(1/z)HereweobtainaninequalityanalogoustoBernstein’sinequalityforasubclassofIInOurresultsincludeseveraloftheknownresultsasspecialcases.

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  • 简介:InthispaperwestudytheconvergencenfaclassofmeansonHp(G)(0<p<1),themeanstaketheBochner-Rieszmeansin[1],thegeneralizedBochner-Rieszmeansin[2],andtheoperatorsTΦrin[3]asspecialcases.Weobtainweak-typeestimatesfortheassociatedmaximaloperatorsandthemaximalmeanboundednessforthemeans.

  • 标签: operators maximal RIESZ CLASS estimates singular
  • 简介:FIRSTORDERQUASILINEAREQUATIONSINSEVERALINDEPENDENTVARIABLESWITHSINGULARINITIALDATAL~(P<∞)¥(赵会江)ZhaoHuijiang(YoungScientistLa?..

  • 标签: SINGULAR INITIAL DATA QUASILINEAR EQUATIONS global
  • 简介:p-ω-低亚硫酸钠正常操作员的近似的点光谱性质被给并且证明。事实上,它是ω-低亚硫酸钠正常操作员的近似的点光谱性质的归纳。系列的关系和p-ω-低亚硫酸钠正常操作员的数字范围被获得。为p-ω-低亚硫酸钠正常操作员T,在另一方面,如果T是正常的,那么,T也是正常的,这被显示出。

  • 标签: 亚正规算子 近似点谱 值域 HILBERT空间 线性算子
  • 简介:Therearetwopartsinthispaper.InthefirstpartweconstructtheMarkovchaininrandomenvironment(MCRE),theskewproductMarkovchainandp-θ~→chainfromarandomtransitionmatrixandatwo-dimensionalprobabilitydistribution,andinthesecondpartweprovethattheinvarianceprincipleforp-θ→chain,amorecomplexnon-homogeneousMarkovchain,istrueundersomereasonableconditions.Thisresultismorepowerful.

  • 标签: 任意转换矩阵 马尔可夫链 倾斜积 不变性原理
  • 简介:ThepresentpaperdealswithfindingofconstantoccurringintheorderofapproximationofthefunctionofLipα(O<α<1)classbyusing(N,p)operator.Obviouslythefactor1/(1-α)becomeslargewhenαiscloseto1.Wehaveshowntheroleofthisfactorintheconstantofapproximation.

  • 标签: deals operators finding INTEGRABLE proof N p)OPERATOR
  • 简介:WeuseMnforthesetofalln×nrealmatrices;(n)for{1,…,n};Snforthesymmetricgroupon〈n〉;A[α]α∈P)-matrix,ifeachprincipalminorofitisnonnegative(positive);A∈Mnistotallynonnegativeifallitsminorsofallordersarenonnegative.ItisknownthatifA=(αij)∈Mnisapositivesemidefinitesymmetricmatrix,oranM-matrixoratotallynonnegativematrix,thenAsatisfiesFischer’sInequality:

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  • 简介:设φ是一个正则函数,α~p(φ)(0<p>∞)是单位圆盘上带权φ~p(1.1)/(1-1.1~2)的调和勒贝格空间。我们得到了α~p(φ)的自共轭性,即当u∈α~p(φ)时它的调和共轭∈α~p(φ).

  • 标签: 空间 自共轭 正则函数 调和共轭 湖南 勒贝格
  • 简介:在这份报纸,我们分类有限p组与确切顺序p的给定的结构的一A1亚群3。

  • 标签: 有限P-群 群阶 结构
  • 简介:Inthispaper,theLp-convergenceofGrünwaldinterpolationGn(f,x)basedonthezerosofJacobipolynomialsJ(α,β)n(x)(-1<α,β<1)isconsidered.Lp-convergence(0<p<2)ofGrünwaldinterpolationGn(f,x)isprovedforp·Max(α,β)<1.Moreover,Lp-convergence(p>0)ofGn(f,x)isobtainedfor-1<α,β≤0.Therefore,theresultsof[1]and[3-5]areimproved.

  • 标签: INTERPOLATION JACOBI ON L_p inequality notes
  • 简介:Inthispaper,weintroduceaconditionweakerthantheLpdifferentiability,whichwecallCpcondition.Weprovethatifafunctionsatisfiesthisconditionatapoint,thenthereexiststhebestlocalapproximationatthatpoint.WealsogiveanecessaryandsufficientconditionforthatafunctionbeLpdifferentiable.Inaddition,westudytheconvexityofthesetofclusterpointsofthenetofbestappoximationsoff,{Pe(f)}ase→0.

  • 标签: 最佳局部逼近 充分必要条件 函数 可微
  • 简介:在这篇论文,为p-adic组上的花托行动的Lefschetz公式被证明。这些类似于为真实谎言组的可比较的公式。应用在动态希腊语的第六个字母功能的领域躺着。

  • 标签: 群论 算术群 P-群 迹公式 李群