首页 | 本学科首页   官方微博 | 高级检索  
相似文献
 共查询到20条相似文献,搜索用时 31 毫秒
1.
§ 1.Introduction Allgraphsconsideredinthispaperarefinite,undirected ,unloopedandsimplegraphs.WedenotethechromaticpolynomialofagraphGbyP(G ,λ)orP(G) .WesaygraphsGandHtobechromatiallyequivalentifP(G) =P(H) .ThechromaticuniquenessofagraphGisestablishedifitcanbeded…  相似文献   

2.
A Generalization of C—semigroup   总被引:3,自引:0,他引:3  
沈隽皓  宋国柱 《东北数学》2000,16(4):417-427
§ 1.TheGeneralC semigroup Inthispaper,weletXbeaBanachspace,andB(X)thespaceofallboundedlinearoperatorsfromXintoX . Definition 1 .1 SupposeCisaboundedinjectiveoperatorfromXintoX .Thefamilyofboundedlinearoperators (S(t) ) t≥ 0 isageneralC semigroupifithasthefollowing…  相似文献   

3.
Graphlike Manifolds with the Type of the 1—skeleton of a 4—simplex   总被引:3,自引:0,他引:3  
郭驼英 《数学季刊》1996,11(4):104-105
GraphlikeManifoldswiththeTypeofthe1-skeletonofa4-simplexGuoTuoying(HuazhongNarmalUniversdy,Wuhan,China)(郭驼英)hTheconceptofgrap...  相似文献   

4.
Throughoutthispaper,Gisafinitegroup ,pisaprimeinπ(G) ,andM <·GdenotesthatMisamaximalsubgroupofG .A/BiscalledasectionofGifB A≤G .Therestofnotationsisstandardandtakenmainlyfrom [1 ]and [2 ] . In [3] ,Weilandtprovedthewell knowntheorem :Gissolvableifitcontainstwonilpote…  相似文献   

5.
程海来 《数学季刊》1995,10(3):23-28
Approximation of Generalized Szász-Mirakjan OperatorChengHailal(程海来)(AnhuiInstituteofTechnology)Abstract:Inthispaper,theautho...  相似文献   

6.
周永新 《数学季刊》1995,10(3):91-96
TheJacobsonandBrown-McCoyRadicalsofCertain Group RingsZhouYongxin(周永新)(Math.Dept.,HebeiTeachers'University,Shijiazhuang,05001...  相似文献   

7.
AninvolutioninagroupGisanelementwhosesquareistheidentityofG.Anele-mentofagroupGiscaledk-reflectionalifitcanbewritenasaproduct...  相似文献   

8.
LetRbeaG-gradedringwithidentity1;thatisRg∈GRgandRgRhRghforallg,h∈G.TheassociativeringR#GdenotesthesmashproductforthegroupGandthegradedringR(see[3]or[4]).In[1],CohenandMontgomeryprovedthedualityTheoremsforactionsandcoactionsforfinitegroupG.In[2],af…  相似文献   

9.
§1.IntroductionLetGbeafinitegroupandSasubsetofGnotcontainingtheidentityelement1ofG.WedefinetheCayley(di)graphX=Cay(G,S)ofGwit...  相似文献   

10.
SupportPointsofHarmonicTypically-RealFunctions宫贵福SupportPointsofHarmonicTypically-RealFunctions¥GongGuifu(DepartmentofMathema...  相似文献   

11.
ThereconstructionofSeries-ParalelGraphs(SPGs,thegraphswithnosubgraphhomeomorphictoK4)isoneoftheunsolvedproblemsrelatedtothere...  相似文献   

12.
ForanygroupG,denotebyπe(G)thesetofalelementordersofG.Givenafinite(resp.infinite)groupG,leth(πe(G))bethenumberofisomorphismcla...  相似文献   

13.
ACharacterizationofGeometricDistributionsThroughConditionalIndependence黄任燕ACharacterizationofGeometricDistributionsThroughCon...  相似文献   

14.
TheNumbersofPermutationGroupsOrbitsandoftheWreathProductOrbits¥LiXianzhong;LiuGuangliang(PuyangEducationalCollege,Henan,45700...  相似文献   

15.
§1. IntroductionandDefinitionAllgroupstreatedarefinite.In[1],N.P.MukherjeeandP.Bhattacharyadefinedtheconceptofθ-pairsassociatedtoamaximalsubgroupMofagroupGasfollows:aθ-pairforMisanypairofsubgroups(C,D)ofGsuchthat(1)DG,D<C,(2)〈M,C〉=G,〈M,D〉=Mand(3)C/D…  相似文献   

16.
The Meta-Grothendieck Group of a Ring   总被引:3,自引:0,他引:3  
TheMeta┐GrothendieckGroupofaRing*)FengLianggui(冯良贵)(DepartmentofMethematics,NUDT,Changsha,410073)AbstractWeintroducethemeta-G...  相似文献   

17.
Moore-Penrose Inverses and Group Inverses of Block k-Circulant MatricesMoore-PenroseInversesandGroupInversesofBlockk-Circulan...  相似文献   

18.
The Structure of Hypergroup on the Cyclical Group   总被引:2,自引:0,他引:2  
TheStructureofHypergroupontheCyclicalGroup¥ZhongYubin(Departmentofmathematics,GuangzhouTeachersCollege)Abstract:Sincethehyper...  相似文献   

19.
§1. Introduction  LetHbeaseparableHilbertspace,μbeasymmetricGaussianmeasureonHandλ1≥λ2≥…0betheeigenvaluesofthecovarianceμT.ZakgivestheestimateofthedifferenceofGaussianmeasureoftwoball.μ{x∈H:yxy≤t}-μ{x∈H:yx+ry≤t}in[1,2].Inthisnoteweobtainafinerestimat…  相似文献   

20.
姜广峰 《数学季刊》1995,10(4):21-26
ANoteontheNon-existenceofNegativelyWeighted DerivationsJiangGuangfeng(姜广峰)(Dept.ofMath.,JinzhouTeachers'College,Jinzhou,Liaon...  相似文献   

设为首页 | 免责声明 | 关于勤云 | 加入收藏

Copyright©北京勤云科技发展有限公司  京ICP备09084417号