简介：用非线性分析的方法讨论了方程N（t）=N（t）[a（t）-∑ni=1bi(t)Ni(t-τi（t）)]的周期正解的存在性，所获结果包含或推广了已有的几上结论[2，3]。

简介：ThepresentpaperdealswithfindingofconstantoccurringintheorderofapproximationofthefunctionofLipα(O<α<1)classbyusing(N,p)operator.Obviouslythefactor1/(1-α)becomeslargewhenαiscloseto1.Wehaveshowntheroleofthisfactorintheconstantofapproximation.

简介：Inthispaper,wegivesomedecompositionsoftriplesofZpnorZ3pnintocyclictriplesystems.Newconstructionsofdiferencefamiliesaregiven.Someinfniteclassesofsimplecyclictriplesystemsareobtainedfromthesedecompositions.

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

简介：让L~p(Ω，H~n)为海森堡显示地图的L~p空间组目标。在这篇论文，一些新性质为空间L~p被获得(Ω，H~n)。

简介：Inthispaper,therigiditytheoremsofthesubmanifoldsinS^n+pwithparallelMoebiusformandconstantMObiusscalarcurvaturearegiven.

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

简介：在不定积分的教学中,我们会碰到形如integralfromn=1（Pn（x）dx）/(（x+Px+q）q?)的积分,如同济二版高等数学

简介：Thisarticleprovestheexistenceofsingulardirectionsofvaluedistributiontheoryforsometranscendentalholomorphiccurvesinthen-dimensionalcomplexprojectivespacePn(C).Anexampleisgiventocomplementtheseresults.

简介：R．A．Gordon在[1]中定义了从R^1到Banach空间抽象函数的McShane积分，证明了当X不含C0时，如果，在[a，b]上MeShanef可积，则在[a．b]上Pettis可积．在这篇文章中，我们定义了从R^n到Banaach空间抽象函数的Mcshane积分。证明了fMcShane可积，则f是Pettis可积．于是我们推广了[1]的结果。

简介：Inthispaperwewillshowthatifanapproximationprocess{Ln}n∈Nisshapepreservingrelativetotheconeofallk-timesdifferentiablefunctionswithnon-negativek-thderivativeon[0,1],andtheoperatorsLnareassumedtobeoffiniterankn,thentheorderofconvergenceofDkLnftoDkfcannotbebetterthann2evenforthefunctionsxk,xk+1,xk+2onanysubsetof[0,1]withpositivemeasure.Takingintoaccountthisfact,wewillbeabletofindsomeasymptoticestimatesoflinearrelativen-widthofsetsofdifferentiablefunctionsinthespaceLp[0,1],p∈N.

简介：证明了指数型超椭圆方程x^2=p^2m-p^m＋n＋1无解（x，p，m，n），其中x，m，n∈N^＋，m〉n〉1，p∈P．上述结果部分解决了组合论中关于可逆Abel差集的Ma猜想．

简介：我们由于Shahzad扩大R-subcommuting地图的概念到盒子ofnon-starshaped域并且在标准p的空格的安装为地图onnon-starshaped领域的这个类获得普通的固定的点结果。作为应用，我们在non-starshapeddomain上建立概括I-nonexpansive地图的各种各样的最好的近似结果的noncommutativeversions。我们的结果统一并且延长的Al-Thagafi，Dotson，Habiniak，Jungck和Sessa，Latif，Sahab，中亚细亚和Sessa和Shahzad。

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：LetM^nbeaclosedspacelikesubmanifoldisometricallyimmersedindeSitterspaceSp^(n+p)(c)，DenotebyR,HandSthenormalizedscalarcurvature,themeancurvatureandthesquareofthelengthofthesecondfundamentalformofM^n,respectively.SupposeRisconstantandR≤c.ThepinchingproblemonSisstudiedandarigiditytheoremforM^nimmersedinSp^(n+p)(c)withparallelnormalizedmeancurvaturevectorfieldisproved.Whenn≥3,thepinchingconstantisthebest.Thus,themistakeofthepaper“Space-likehypersurfacesindeSitterspacewithconstantscalarcurvature”(seeManusMath,1998,95:499-505)iscorrected.Moreover,thereductionofthecodimensionwhenM^nisacompletesubmanifoldinSp^(n+p)(c)withparallelnormalizedmeancurvaturevectorfieldisinvestigated.

简介：讨论了Cn中超球上p-Bloch空间Bp上的点乘子.根据p的不同情况得到Bp空间所有的点乘子,对Bp空间的点乘子进行了完整的刻划.

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：令简单图G=(V,E)是有p个顶点q条边的图.假设G的顶点和边由1,2,…,p+q所标号,且f:V∪E→{1,2,…,p+q}是一个双射,如果对所有的边xy,f(x)+f(y)+f(xy)是常量,则称图G是边幻图(edge-magic).本文证明了三路树P(m,n,t)当n为偶数,t=n+2时也是边幻图.

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

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