学科分类
/ 25
500 个结果
  • 简介:在这篇论文,我们在场为有限p组的等级的锋利的界限以它的coexponent。至于有p的有限p组奇怪,我们也给正常等级等于它的等级的一个足够的为条件。

  • 标签: 余指数 有限群 P-群
  • 简介:组G的Wielandt亚群,由w(G)表示了,是G的所有低于正常的亚群的normalizers的交叉。在这份报纸,作者为每整数i为最大的班G,为所有整数i的任何一个wi(G)=i(G)或wi(G)=i+1(G)的p组显示出那,并且为在有K1的G的每正常亚群K的w(G/K)=(G/K)。同时,为最大的班的常规p组的一个必要、足够的条件令人满意的w(G)=2(G)被给。最后,如果G是有基本z(G)的non-abelianp组,作者证明力量自守组PAut(G)是基本abelianp组?\mho1(G)\zeta(G)\cap\mho_1(G)。

  • 标签: WIELANDT不等式 P-群 次正规子群 极大 充分必要条件 无线网络
  • 简介:让G是混合p的Warfield可换群和F字符F=p的一块地别等于0。如果为任何组H组代数学FH和FG是F同形的,它被证明那,那么他的对G同形。这个演讲扩大G是p本地的WarfieldAbelian并且在Proc出版的说服的W.5月的结果。Amer。数学。Soc。(1988)。

  • 标签: Warfield Abelian群 同构半群 代数学 高度基
  • 简介:LetGbeap-seriesgroupandΩbeacompactsubgroupofG.Letλ(x,r)andλ,(x,r)beA-belp-poissontypekernelandproducttypekernelOnΩrespectively.Inthispaperwediscusstheap-proximationpropertiesofsuchkernels,givetheestimate5oftheirmoments,obtainthedirectandin-verseapproximationtheorems.

  • 标签:
  • 简介:Acomparisonoftheadsorptionofbenzoicacidandp-nitrobenzoicacidonthenewhypercrosslinkedpolymericadsorbentAM-I,withthatbymacroporousAmberliteXAD-4,includingtheequilibriumadsorptionisotherms,thedynamicadsorptionbehaviorsthroughcolumnandtheadsorptionthermodynamicswerestudied.ResultsshowthatFreundlichequationgivesafittingadsorptionisotherm.ThespecificsurfaceofAM-lisonly67%ofthatofAmberliteXAD-4,buttheadsorptioncapacitiesonAM-1aremuchhigherabout125%~166%thanthatonAmberliteXAD-4,whichiscontributedtothemicroporemechanismandpolarity.Thenegativevaluesoftheadsorptionenthalpyareindicativeofanexothermicprocess.Enthalpyandfreeenergychangesofadsorptionbothmanifestaphysic-sorptionprocess.Thenegativevaluesoftheadsorptionentropyindicatethattheadsorptioniswellconsistentwiththerestrictedmobilitiesandtheconfigurationsoftheadsorbedbenzoicacidmoleculesonthesurfaceofstudiedadsorbentswithsuperficialheterogeneity.Bothadsorbentswereusedinmini-columnexperimentsforadsorbingbenzoicacidexpectingtoelucidatethehigherbreakthroughadsorptioncapacityofthenewhypercrosslinkedpolymericadsorbentAM-1ascomparedwiththatofAmberliteXAD-4.

  • 标签: 吸附作用 苯甲酸 P-硝基苯甲酸 高交联性苯酚基团Pst吸附剂 热力学性质 分子筛
  • 简介:Assumethateachcompletelyirrationalnoncommutativetorusisrealizedasaninductivelimitofcirclealgebras,andthatforacompletelyirrationalnoncommutativetorusAwofrankmthereareacompletelyirrationalnoncommutativetorusAρofrankmandapositiveintegerdsuchthattr(Aw)=1/d.tr(Aρ).ItisprovedthatthesetofallC^*-algebrasofsectionsoflocallytrivialC^*-algebrabundlesoverS^2withfibresAωhasagroupsturcture,denotedbyπ1^s(Aut(Aω)),whichisisomorphictoZifEd>1and{0}ifd>1.LetBcdbeacd-homogeneousC^*-algebraoverS^2×T^2ofwhichnonon-trivialmatrixalgebracanbefactoredout.ThesphericalnoncommutativetorusSρ^cdisdefinedbytwistingC^*(T2×Z^m-2)inBcd×C^*(Z^m-3)byatotallyskewmultiplierρonT^2×Z^m-2。ItisshownthatSρ^cd×Mρ∞isisomorphictoC(S^2)×C^*(T^2×Z^m-2,ρ)×Mcd(C)×Mρ∞ifandonlyifthesetofprimefactorsofcdisasubsetofthesetofprimefactorsofp.

  • 标签: 基本群 自同构群 非交换环 C^ *代数 向量积
  • 简介:ThispapercontinuestheworkofD.MacHale,D.Flannery(Proc.R.Ir.Acad.81A,209—215;83A,189—196)andtheauthor(Proc.R.Ir.Acad,90A,57—62;J.SouthwestChinaNormalUniversity15,No.1,21.—28)onthetopicon“FinitegroupswithgivenAutomorphismgroup”.Thefollowingresultisproved:LetGbeafinitegroupwithAutGaSchmidtgroup.ThenGisisomorphictoS3orKlain4-group.,orDsuchthatAutD=InnD.DisaSchmidtgroupoforder2?p.S2(∈Syl2D)isanormalandspecialgroupexoeptasupersperspecialgroupwithoutcommutativegenerators.

  • 标签: ISOMORPHIC COMMUTATIVE NILPOTENT SUBGROUP exponent maximal
  • 简介:TheHuayuGroupiscomposedofonecoreenterprise,nineclosely-relatedenterprisesand16loosely-relatedenterprisesinAnhui,JiangsuandZhejiang.Itsbusinessincludesfinance,materials,knitwear,garmentsandeducation.AnhuiChuzhouHuayu(Group)Co.Ltd.—acoreenterpriseofHuayuGroup—isacomprehensiveenterprisegroup,integratingproduction,trade,scientificresearchanddevelopment.Ithasastaffof4,000,andeightfactoriesandfivecompaniesunderitsadministration.Majorproductsincludesixseriesyarn

  • 标签:
  • 简介:作者将证明组2Dp(3)能被它的顺序部件特别地决定,在此p≠2m+1是一个素数,p≥5。更精确,如果OC(G)表示G的顺序部件的集合,我们将证明OC(G)=是OC(2Dp(3))如果并且仅当G对2Dp(3)。我们的结果的主要后果是汤普森的有效性在考虑下面为这些组推测。

  • 标签: 素数 图表 次数成分 线性群
  • 简介:Itisprovedthatthereisnochaoticgroupactionsonanytopologicalspacewithfreearc.InthispaperthechaoticactionsofthegrouplikeG×F,whereFisafinitegroup,arestudied.Inparticular,underasuitableassumption,ifFisacyclicgroup,thenthetopologicalspacewhichadmitsachaoticactionofZ×Fmustadmitachatotichomeomorphism.Atopologicalspacewhichadmitsachaoticgroupactionbutadmitsnochaotichorneomorphismisconstructed.

  • 标签: 混沌群作用 拓扑空间 自由弧 有限群 循环群 混沌同胚
  • 简介:TheAnhuiChizhouJiedaGroupiscomposedof58units,includingAutoTransportGeneralCompany,JiedaCo.Ltd.,ComprehensiveDevelopmentGeneralCompanyandindependentlyaccountingunitsdirectlyaffiliatedtothegroup.Businessscopeinvolvesautotransportation,realestatedevelopment,garmentmaking,tourism,hotel,internalandexternaltrade,decoration,electronicdevelopment,buildingmaterials,repairandprinting,thusformingapatternwithtransport,tourism,industryandtradeasthefourpillars.Ithasnowastaffof4,000,assetsofRMB140million,

  • 标签:
  • 简介:

  • 标签:
  • 简介:TheGroupofTwenty(G20)isoneoftheprincipalforumsfocusingonglobaleconomiccooperationanditturnedouttobeanimportantplatformforemergingeconomiesinparticipatinginglobaleconomicgovernance.AsanimportantmemberofG20,Chinaisnotonlyaparticipant,constructorandbeneficiaryofthecurrentinternationalsystem,butalsothe

  • 标签: cooperation GOVERNANCE PARTICIPANT participating FOCUSING EMERGING