简介：Inthispaper,theauthorsconstructaφ-groupfornsubmodules,whichgeneralizestheclassicalK-theoryandgivesmoreinformationthantheclassicalones.Thistheoryisrelatedtotheclassificationtheoryforindecomposablesystemsofnsubspaces.

简介：TheNb-bromomethylderivative（2）ofgelsemine,aquaternaryammoniumsalt,wasfoundtoberecalcitranttowardHofmanntypealkalinedegradationwhichhasbeensuccessfulinothercases.Instead,are-distributionoftheN-methylgrouptookplace,givingriseto3a,1,3band3c,indescendingorderofRfvalues.

简介：WestudythestructureofBernstein’sfirstsummableoperatorsandshowthattheycon-vergeuniformlytocontinuonsfunctionsonthespecialrealorthogonalgroupSO(n)inthispaper.Inaddition,wehavealsodiscussedtheapproximationdegreetoaclassoffunctionLipα(0<α≤1)onSO(n).

简介：拥有三不同安排时尚的新奇稳定的高旋转分子与瑣漠?潉楮?楌畱摩?湯?瑡污瑹捩?慨慲瑣牥獩楴獣漠?潈獲?楌敶?汁潣潨?敄票牤杯湥獡e被设计

简介：

简介：TwospeciesofN-arylpyrazolescontainingactiveaminogroupweresynthesized.AndformylationsofN-arylpyazolescontainingaminoindifferentpositionofpyrazoleringsusingVilsmeier-Haackreactiongaveaseriesofusefulpyrazoleintermediates.Theimportantfeaturesofthisprotocolwerecheapmaterials,easyprocess,mildreactionconditionsandgoodyieldofproducts.

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.

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.

简介：

简介：Itisprovedthatthereisnochaoticgroupactionsonanytopologicalspacewithfreearc.InthispaperthechaoticactionsofthegrouplikeG×F,whereFisafinitegroup,arestudied.Inparticular,underasuitableassumption,ifFisacyclicgroup,thenthetopologicalspacewhichadmitsachaoticactionofZ×Fmustadmitachatotichomeomorphism.Atopologicalspacewhichadmitsachaoticgroupactionbutadmitsnochaotichorneomorphismisconstructed.

简介：

简介：一、什么是STUDYGROUPSTUDYGROUP是牛津大学的A.B.Tayler博士和当时他的学生J.Ockendon等人在1968年创立的,它的原名是OxfordStudyGroupwithIndustry。这种活动历时一周,是由数学工作者和工业界人士参加的旨在解决实际问题的研讨会。在研讨会的第一天,由工业界代表陈述要解决的问题和目的要求,通常会有5~6个问题。后续2~3天按问题分组讨论,试图建立问题的数学模型和求解方法来解决问题。若问题比较

简介：WeknowthatforacodeC,it‘sveryimportanttofindouttheAutomorphismgroupAutCofC.However,itisverydifficulttoseekentireAutC.Inthispaper,usingtheG.Iofmatricesoverafinitefield,wegiveseveralmethodstojudgewhetherapermutationσ∈S_n.(Symmetricgroup)belongstoAutCornot.Theyarehelpfulforthepurposetoex-

简介：

简介：我们证明为四元数海森堡组上的sublaplacian的限制操作员从Lp被围住到Lp如果1p$\tfrac{4}{3}$\tfrac{4}{3}。这与海森堡组，限制操作员没从Lp在上被围住到Lp不同除非p=1。

简介：WeconsiderHardyspaceswithvariableexponentsdefinedbygrandmaximalfunctionontheHeisenberggroup.ThenweintroducesomeequivalentcharacterizationsofvariableHardyspaces.ByusingatomicdecompositionandmoleculardecompositionwegettheboundednessofsingularintegraloperatorsonvariableHardyspaces.WeinvestigatetheLittlewood-Paleycharacterizationbyvirtueoftheboundednessofsingularintegraloperators.

简介：J.StuartBolton,ed.xx+636pp,NoiseControlFoundationP.O.Box2469,ArlingtonBranch,Poughkeepsie,NY12603,U.S.A.PriceUS$60.00+19.00airmail.TheNOISE-CON88conferenceofU.S.A.washeldatPurdueUniversity,june20—22,1988.Thethemeoftheconferenceis"NoiseControlDe-sign—MethodsandPractice".Theproceedingscontainthreedistinguishedlecturesand100contributedpapers.Thethreedistinguishedlecturesalladdressthethemeoftheconference.Inhislecture“Istherea‘zero-option‘innoisecontroldesign?”ProfessorP.E.DoakoftheInstituteofSoundandVibrationResearch,SouthamptonUniversity,dis-cussesthepotentialforachievingcompletenoisecancellationandhowitmightbeachievedinpractice.Inthelecture"LoudnessPattern(ISO532B),anexcellantguidetonoise-induceddesignsandtoexpectedpublicreactions"presentedbyProfessor

简介：为海森堡组，我们介绍h-quasiconvexfunctions的概念。我们证明h-quasiconvex功能和h凸的集合的观点是相等的并且h-quasiconvex功能局部地从上面被围住，并且而且导出那h-convexfunctions局部地被围住，因此它是局部地由由Danielli-Garofalo-Nhieu使用最近的结果连续的Lipschitz。最后，我们给第一衍生物ofh-quasiconvex功能的L∞标准的估计。

简介：在这份报纸，作者在homotopy上学习homologically小的symplectic组行动椭圆形的表面E(n)并且得到一些刚硬结果。

简介：Theauthorconstructsthesheafofgeneralizedfundamentalgroupofatopologicalspace.Xandobtainstherelationshipbetweenits1stcohomologysetandallcoveringspacesofXundersuitableconditionsimposeduponX.