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1.
§ 1.Introduction Allgraphsconsideredinthispaperarefinite,undirected ,unloopedandsimplegraphs.WedenotethechromaticpolynomialofagraphGbyP(G ,λ)orP(G) .WesaygraphsGandHtobechromatiallyequivalentifP(G) =P(H) .ThechromaticuniquenessofagraphGisestablishedifitcanbeded… 相似文献
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A Generalization of C—semigroup 总被引:3,自引:0,他引:3
§ 1.TheGeneralC semigroup Inthispaper,weletXbeaBanachspace,andB(X)thespaceofallboundedlinearoperatorsfromXintoX . Definition 1 .1 SupposeCisaboundedinjectiveoperatorfromXintoX .Thefamilyofboundedlinearoperators (S(t) ) t≥ 0 isageneralC semigroupifithasthefollowing… 相似文献
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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
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Approximation of Generalized Szász-Mirakjan OperatorChengHailal(程海来)(AnhuiInstituteofTechnology)Abstract:Inthispaper,theautho... 相似文献
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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.
Sun Jianhua 《数学季刊》1998,(3)
LetRbeaG-gradedringwithidentity1;thatisRg∈GRgandRgRhRghforallg,h∈G.TheassociativeringR#GdenotesthesmashproductforthegroupGandthegradedringR(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
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SupportPointsofHarmonicTypically-RealFunctions宫贵福SupportPointsofHarmonicTypically-RealFunctions¥GongGuifu(DepartmentofMathema... 相似文献
11.
ThereconstructionofSeries-ParalelGraphs(SPGs,thegraphswithnosubgraphhomeomorphictoK4)isoneoftheunsolvedproblemsrelatedtothere... 相似文献
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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
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16.
The Meta-Grothendieck Group of a Ring 总被引:3,自引:0,他引:3
Feng Lianggui 《东北数学》1997,(2)
TheMeta┐GrothendieckGroupofaRing*)FengLianggui(冯良贵)(DepartmentofMethematics,NUDT,Changsha,410073)AbstractWeintroducethemeta-G... 相似文献
17.
Chen Jianlong 《数学季刊》1996,(1)
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.
ANoteontheNon-existenceofNegativelyWeighted DerivationsJiangGuangfeng(姜广峰)(Dept.ofMath.,JinzhouTeachers'College,Jinzhou,Liaon... 相似文献