简介：Inthispaper,wegetW1,p(Rn)-boundednessfortangentialmaximalfunc-tionandnontangentialmaximalfunction,whichimprovesJ.Kinnunen,P.LindqvistandTananka’sresults.

简介：让b=(b_1，···，b_m)，b_i∈Λ_(β_i)(R~n)，1≤i≤m，0<β_i<β，0<β<1，[b，T]f(x)=∫_(R~n)(K是aCalderon-Zygmund的b_1(x)-b_1(y))···(b_m(x)-b_m(y))K(x-y)f(y)dy,核。在这篇论文，我们显示出那[b，T]从L~p(R~n)toF_p~被围住(β，∞)(R~n)，以及[b，从L~p(R~n)的I_α]到F_q~(β，∞)(R~n)，在哪儿1/q=1/p-α/n。

简介：LetL=L0+VbethehigherorderSchrdigertypeoperatorwhereL0isahomogeneousellipticoperatoroforder2mindivergenceformwithboundedcoefficientsandVisarealmeasurablefunctionasmultiplicationoperator(e.g.,including(-?)m+V(m∈N)asspecialexamples).Inthispaper,assumethatVsatisfiesastronglysubcriticalformconditionassociatedwithL0,theauthorsattempttoestablishatheoryofHardyspaceHpL(Rn)(0<p≤1)associatedwiththehigherorderSchrdingertypeoperatorL.Specifically,wefirstdefinethemolecularHardyspaceHpL(Rn)bytheso-called(p,q,ε,M)moleculeassociatedtoLandthenestablishitscharacterizationsbytheareaintegraldefinedbytheheatsemigroupe-tL.

简介：给出了两种插值算子，并研究了它们在L^2πp和Lp(R)空间上的逼近阶，用实数α阶的积分模给出逼近度。

简介：Theauthorsconsiderednon-convolutiontypeoscillatorysingularintegraloperatorswithreal-analyticphases.AuniformboundednessfromHKptoHpofsuchoperatorsisestablished.TheresultisfalseforgeneralCphases.

简介：Inthispaper,weshalldealwiththeboundednessoftheLittlewood-Paleyoperatorswithroughkernel.WeprovetheboundednessoftheLusin-areaintegralμΩ,sandLittlewood-PaleyfunctionsμΩandμλontheweightedamalgamspaces(Lqω,Lp)α(Rn)as1p≤∞.

简介：LetGbealocallycompactAbeliangroupwithHaarmeasure.TheauthorsdiscusssomebasicpropertiesofL_(w_1)~r(G)∩L(p,q,w_2dμ)(G)spaces.ThenthenecessaryconditionsforcompactembeddingsofthespacesL_(w_1)~r(R~d)∩L(p,q,w_2dμ)(R~d)areshowed.

简介：在非线性项f是关于u的奇函数,势函数是有界的周期函数且下界是正的,Sobolev嵌入缺乏了紧性和f不再满足（AR）条件下,运用临界点理论中的喷泉定理和集中紧性原则证明了R~N中具有周期势函数的一类超线性p-Laplacian方程存在无穷多非平凡解。

简介：研究了—（p,q）-Laplacian拟线性椭圆方程组.当连续函数V和W在两种情形下,利用Moser迭代技巧和Ljusternik-Schnirelmann畴数理论,建立了方程组正解的存在性和多重性结果.

简介：

简介：Inthispaper.westudytheaveragen-KwidthoftheconvolutionclassBpq（G）(orB?（G）),forwhichthekernelG（x）isaPFdensity,inthemetricLq（R）(orLqp（R）)forthecase1≤q<p≤∞,andobtainsomeexactresults.

简介：

简介：Theobjectofthispaperistoshowregularityof(0,1,...,r-2,r)interpolationonthesetobtainedbyprojectingverticallythezerosof(1-x2)pn(x)(λ≥1/2)ontotheunitcircle,wherePn(x)standsforthenthultrasphericalpolynomial.

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).

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．

简介：Inthispaperwestudytheaverageσ-Kwidthandtheaverageσ-linearwidthoftheunitballofl1x（R）inl2α（R）.Theexactvaluesofthesewidthsarecalculatedandanoptimalsubspacewiththeoptimallinearopera-tor（fortheσ-linearwidth）areidentified.

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.

简介：ＯＮＴＨＥＣＬＡＳＳφ_ｐ~＊（α，β，γ，ε，η；Ａ）ｏｆｐ－ＶＡＬＥＮＴＦＵＮＣＴＩＯＮＳＷＩＴＨＲＥＦＥＲＥＮＣＥＴＯＴＨＥＢＥＲＮＡＲＤＩＩＮＴＥＧＲＡＬＯＰＥＲＡＴＯＲＪｉａｎＭｉｎｇ（蹇明）（ＷｕｈａｎＵｎｉｖｅｒｓｉｔｙ，Ｗｕｈａｎ４３０...

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.

简介：让x：Mn是有非零主管弯曲的脐的免费hypersurface。然后，x与Laguerre公制的g被联系，Laguerre张肌\mathbbL\mathbb{L}，Laguerre形式C，和一个Laguerre秒基础形成\mathbbB\mathbb{B}它是在Laguerre下面的x的invariants转变组。如果它的Laguerre形式消失，hypersurfacex被称为Laguerreisoparametric并且\mathbbB\mathbb的特征值{B}是不变的。在这份报纸，我们在4分类所有Laguerreisoparametrichypersurfaces。