共查询到4条相似文献,搜索用时 0 毫秒
1.
CHEN Ciping 《系统科学与复杂性》1992,(2)
We give some answers to the following question:If the binding numberof a graph G is more than 1+(a-1)/b,does G have an [a,b] -factor? 相似文献
2.
XU Rui 《系统科学与复杂性》1999,(2)
1.IntroductionAllgraphsconsideredaresimpleandfinite.Wereferthereaderto[1]forstandardgraphterminologiesnotdefinedinthispaper.LetGbeagraphwithvertexsetV(G)andedgesetE(G).ForanySCV(G),wedenotebyNG(S)theneighborsetofSinG,anddefineNG[S]=NG(S)US.LetdG(v)denotethedegreeofvinG.IfwewriteG=(VI,VZ),itmeansthatGisabipartitegraphwiththepartition(VI,V2)ofV(G).IfIVII=IVZI,wecallGabalancebipartitegraph.LetafbbetwopositiveintegerssuchthataSb.AspanningsubgraphFofGiscalledan[a,b]-factorofGi… 相似文献
3.
CAI Maocheng 《系统科学与复杂性》1995,(4)
ADEGREECONDITIONFORTHEEXISTENCEOFCONNECTED[k,k+1]-FACTORSADEGREECONDITIONFORTHEEXISTENCEOFCONNECTED[k,k+1]-FACTORS¥CAIMaochen... 相似文献
4.
In this paper,we give an order-preserving,isometric and isomorphic embeddingoperator from the fuzzy number space E~1 to a classical Banach space and show some necessary andsufficient integrability conditions of fuzzy integrals which were defined by M.Matloka and O.Kaleva by means of such an operator. 相似文献