简介:<正>Let{Ei:i∈I}beafamilyofArchimedeanRieszspaces.TheRieszproductspaceisdenotedbyΠi∈IEi.Themainresultinthispaperisthefollowingconclusion:ThereexistsacompletelyregularHausdorffspaceXsuchthatΠi∈IEiisRieszisomorphictoC(X)ifandonlyifforeveryi∈IthereexistsacompletelyregularHausdorffspaceXisuchthatEiisRieszisomorphictoC(Xi).
简介:在这篇论文,我们认为Riesz产品dμ=Π_(j=1)~∞(是1+a_jReχ_(b_(jp)λ_j)(x))dx在本地人地,和我们获得它的Hausdorffdimension的上面、更低的界限。
简介:LetL=-△+VbeaSchrodingeroperatoronRn(n≥3),wherethenon-negativepotentialVbelongstoreverseHolderclassRHq1forq1>n/2.LetHLp(Rn)betheHardyspaceassociatedwithL.Inthispaper,weconsiderthecommutator[b,Tα],whichassociatedwiththeRiesztransformTα=Vα(-?+V)-αwith0<α≤1,andalocallyintegrablefunctionbbelongstothenewCampanatospaceΛβθ(ρ).Weestablishtheboundednessof[b,Tα]fromLp(Rn)toLq(Rn)for1
简介:摘要新型冠状病毒肺炎疫情需要人们反思并研究和加强疫情防控工作。教育工作者也应该思考和研究人才培养问题,尤其是高层次应用型公共卫生人才的培养,即培养具有扎实的预防医学理论知识功底、解决公共卫生实际问题和突发应急响应能力、较强组织领导能力和宽广国际视野的高层次应用型人才。因此,加快推进公共卫生博士专业学位教育并将其纳入公共卫生高等教育体系势在必行。本文就公共卫生博士专业学位设置的必要性和可行性进行探讨,对其培养目标和培养计划提出建议,以期促进我国高层次应用型公共卫生人才的培养。
简介:AsequenceofsphericalzonaltranslationnetworksbasedontheBochner-RieszmeansofsphericalharmonicsandtheRieszmeansofJacobipolynomialsisintroduced,anditsdegreeofapproximationisachieved.Theresultsobtainedinthepresentpaperactuallyimplythattheapproximationofzonaltranslationnetworksisconvergentiftheactionfunctionshavecertainsmoothness.
简介:LetL=-?+VbeaSchrdingeroperatoractingonL2(Rn),n≥1,whereV≡0isanonnegativelocallyintegrablefunctiononRn.Inthisarticle,wewillintropduceweightedHardyspacesHL(w)associatedwithLbymeansofthesquarefunctionandthenstudytheiratomicdecompositiontheory.WewillalsoshowthattheRiesztransform?L-1/2associatedwithLisboundedfromournewspaceHpL(w)totheclassicalweightedHardyspaceHp(w)whenn/(n+1)