简介：Asanresearchexampleofthewidelyexistingcooperation-competitionsystems,theauthorspresentanempiricalinvestigationonafruitnutritivefactornetwork.Itisdescribedbyanode-weightedbipartitegraph.Thefruitnutritivefactorsaredefinedasthenodes,andtwonodesareconnectedbyanedgeifatleastonefruitcontainsthesetwonutritivefactors.Thefruitsaredefinedasthecollaborationacts.Thenode-weightW_(nt),whichsignifiesthe'importancedegree'ofeachactornode,isdefinedasthecontentofanutritivefactorinafruit.Theempiricalinvestigationresultsshowsomeuniquefeatures.Thenode-weightdistributionstakeso-called'shiftedpowerlaw'functionforms,buttheact-weightdistributiontakesanormalform.Thedegreeandact-degreedistributionsshowimpulsive-spectrumlikeforms.Theseobservationsmaybehelpfulforthestudyoffruits.Thenetworkdescriptionmethodproposedinthisarticlemaybeuniversalforakindofcooperation-competitionsystems.

简介：AHamiltoniank-factorisak-factorcontainingaHamiltoniancycle.Ann/2-criticalgraphGisasimplegraphofordernwhichsatisfiesδ(G)≥n/2andδ(G-e)

简介：Inthispaper,weusethecontractionprincipleandtheLeray-SchauderprincipletodealwiththeexistenceofperiodicsolutionsoftheVolterraintegraldifferentialequation.Somenewexistencecriteriaanduniqueexistencecriteriaareobtained.

简介：Inthispaper,anumericalanalysisoffiniteelementmethodsforFredholmequationsofthefirstkind,whichisbaseduponregularization,ismade.Itshowsthatextrapolationalgorithmscanacceleratetheconvergenceofapproximatesolutions.

简介：Inthispaper,rankfactorizationsandfactorleftprimefactorizationsarestudied.Theauthorsprovethatanypolynomialmatrixwithfullrowrankhasfactorleftprimefactorizations.Andforaclassofpolynomialmatrices,theauthorsgiveanalgorithmtodecidewhethertheyhaverankfactorizationsorfactorleftprimefactorizationsandcomputethesefactorizationsiftheyexist.

简介：Thispaperpresentsastudyontheperformanceofflexiblemanufacturingsystems(FMSs),byusingdiscreteeventsystem(DES)models,consideringresourcelossesmodelledbyaparameterentitledcoveragefactor.WeconcludethattheresourcescelllossdistributionbetweenthetasksofaFSMisarealfunctionthatcannotbeintegrated,inordertocalculateitsprimitive,intheclassicalsenseofRiemannorLebesgue,butonlyinthesenseofHenstock-Kurzweilintegral.Ourresultallowsonetostudymoregeneralprocesseswherehighlyoscillatoryfunctionsoccur.Themethodusedtodeducethefunctiondescribingtheresourcescelllossdistributioniscomparedwithaclassicalmethodrelatedintheliterature,respectivelyrationalinterpolants.Anexamplehasbeenconstructedtoemphasizewhatwebelievetobe,newapproaches.

简介：Inthispaper,wegiveanorder-preserving,isometricandisomorphicembeddingoperatorfromthefuzzynumberspaceE~1toaclassicalBanachspaceandshowsomenecessaryandsufficientintegrabilityconditionsoffuzzyintegralswhichweredefinedbyM.MatlokaandO.Kalevabymeansofsuchanoperator.

简介：ＢＯＵＮＤＯＮＳＯＬＵＴＩＯＮＳＴＯＴＨＥＧＥＮＥＲＡＬＳＹＳＴＥＭＯＦＶＯＬＴＥＲＲＡ－ＴＹＰＥＬＩＮＥＡＲＩＮＴＥＧＲＡＬＩＮＥＱＵＡＬＩＴＩＥＳＩＮＳＥＶＥＲＡＬＶＡＲＩＡＢＬＥＳＡＮＤＩＴＳＡＰＰＬＩＣＡＴＩＯＮＳＴＯＩＮＴＥＧＲＯ－ＰＡＲＴ...