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简介：有单音的补品连接功能的单个索引的模型被调查。第一，连接工作，这被显示出h(·)能被一个图形的方法看。也就是说有水平轴上的适合的反应的阴谋；垂直的轴上的观察y能被用来设想连接功能。甚至当连接功能不是单音的补品时，这条图形的途径也是适用的，这被指出。注意那许多存在非参量的光滑的ers能也被用来估计h(·)。因此，经由与惩罚功能最大化协变性功能的连接功能的我花键近似在现在的工作被调查。标准的一致性被构造。小模拟被执行证实在纸建议的途径的效率。

简介：Inthispaper,weformulateasingle-speciesmodelofcontraceptioncontrolwithwhitenoiseonthedeathrate.Firstly,theuniquenessofglobalpositivesolutionofthemodelisproved.Secondly,uniformlyboundedmeanofsolutionisobtainedbyusingtheLiyapunovfunctionandChebyshevinequality.Lastly,stochasticglobalasymptoticstabilityofzeroequilibriumsisanalyzed.

简介：Binomialno-arbitragepricehaveamethodisthetraditionalapproachforderivativepricing,whichis,thecompletemodel,whichmakespossibletheperfectreplicationinthemarket.Riskneutralpricingisanappropriatemethodofassetpricinginacompletemarket.Wehavediscussedanincompletemarket,anon-transactionassetthatproducesincompletenessofthemarket.Aneffectivemethodofassetpricinginincompletemarketsistheundifferentiatedpricingmethod.ThistechniquewasfirstlyintroducedbyBernoulliin(1738)thesenseofgambling,lotteryandtheirexpectedreturn.Itisusedtocommandinvestors'preferencesandbetterreturnstheresultstheyexpect.Inaddition,wealsodiscusstheutilityfunction,whichisthecoreelementoftheundifferentiatedpricing.Wealsostudiedsomeimportantbehaviorpreferencesofagents,andinjectedexponentialeffectofriskaversioninthemodel,sothatthemodelwasnonlinearintheprocessofclaimsettlement.

简介：Thispaperstudiesonlineschedulingofjobswithkindreleasetimesonasinglemachine.Here“kindreleasetime”meansthatinonlinesetting,nojobscanbereleasedwhenthemachineisbusy.EachjobJhasakindreleasetimer(J)≥0,aprocessingtimep(J)>0andadeadlined(J)>0.Thegoalistodetermineaschedulewhichmaximizestotalprocessingtime(∑p(J)E(J))ortotalnumber(∑E(J))oftheacceptedjobs.Forthefirstobjectivefunction∑p(J)E(J),wefirstpresentalowerbound√2,andthenprovideanonlinealgorithmLEJwithacompetitiveratioof3.Thisisthefirstdeterministicalgorithmfortheproblemwithaconstantcompetitiveratio.Whenp(J)∈{1,k},k>1isarealnumber,wefirstpresentalowerboundminf(1+k)/k,2k/(1+k)g,andthenweshowthatLEJhasacompetitiveratioof1+┌k┐=k.Inparticular,whenalltheklengthjobshavetightdeadlines,wefirstpresentalowerboundmax{4=(2+k),1}(for∑p(J)E(J))and4/3(for∑E(J)).ThenweprovethatLEJis┌k┐/k-competitivefor∑p(J)E(J)andweprovideanonlinealgorithmHwithacompetitiveratioof2┌k┐/(┌k┐+1)forthesecondobjectivefunction∑E(J).

简介：Inthispaper,aLotka-Volterracooperationsystemwithsinglefeedbackcontrolisproposedandstudied.Weinvestigatethelocalstabilityandtheglobalstabilityofthesystem.Ourstudyshowsthatwithsuitablerestrictiononthecoefficientsofthefeedbackcontrolvariable,thesystemcanstillremaingloballystableorbecomeextinct,whichshowsthatthefeedbackcontrolvariableplaysaveryimportantroleinthedynamicsbehaviorsofthesystem.

简介：Bipolarsingle-valuedneutrosophicmodelsarethegeneralizationofbipolarfuzzymodels.Wefirstintroducetheconceptofbipolarsingle-valuedneutrosophiccompetitiongraph-s.Wethen,discusssomeimportantpropositionsrelatedtobipolarsingle-valuedneutrosophiccompetitiongraphs.Wedefinebipolarsingle-valuedneutrosophiceconomiccompetitiongraphsandm-stepbipolarsingle-valuedneutrosophiceconomiccompetitiongraphs.Further,wede-scribeapplicationsofbipolarsingle-valuedneutrosophiccompetitiongraphsinorganizationaldesignationsandbrandscompetition.Finally,wepresentourimprovedmethodsbyalgorithms.

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简介：AbstractThetemporaldevelopmentofasinglemodeRayleigh-Taylorinstabilityconsistsofthreestages:thelinear,freefallandterminalvelocityregimes.Thepurposeofthispaperistoreportonnewphenomenaobservedintheapproachtoterminalvelocity.Ournumericalstudyshowsanunexpectednonuniformapproachtoterminalvelocity.Thenonuniformityappliesespeciallytothespikes,whicharefingersofheavyfluidfallingintothelightfluid,butitalsoappliestotherisingbubblesoflightfluid.ForspikesespeciallyourresultscallintoquestionthemeaningfulnessofaterminalvelocityformoderatevaluesoftheAtwoodnumberA.Afterashorttimeperiodofpseudo-terminalplateau,thespikevelocityincreasestoasignificantlyhighermaximum,followedbyadecrease.Thisphenomenaappearstobeduetoaslowevolutionintheshapeofthespikeandbubble.Wefindarelationbetweenthespike(bubble)accelerationandthetipcurvature.Incorrelationwithanincreaseinthespikevelocity,th

简介：Inthisarticle,apartiallylinearsingle-indexmodelforlongitudinaldataisinvestigated.Thegeneralizedpenalizedsplineleastsquaresestimatesoftheunknownparametersaresuggested.Allparameterscanbeestimatedsimultaneouslybytheproposedmethodwhilethefeatureoflongitudinaldataisconsidered.Theexistence,strongconsistencyandasymptoticnormalityoftheestimatorsareprovedundersuitableconditions.Asimulationstudyisconductedtoinvestigatethefinitesampleperformanceoftheproposedmethod.Ourapproachcanalsobeusedtostudythepuresingle-indexmodelforlongitudinaldata.

简介：Thispaperusesthegeometricsingularperturbationtheorytoinvestigatedynamicalbehaviorsandsingularitiesinafundamentalpowersystempresentedinasingle-machineinfinite-busformulation.ThepowersystemcanbeapproximatedbytwosimplifiedsystemsSandF,whichcorrespondrespectivelytoslowandfastsubsystems.Thesingularities,includingHopfbifurcation(HB),saddle-nodebifurcation(SNB)andsingularityinducedbifurcation(SIB),arecharacterized.WeshowthatSNBoccursatPTc=3.4382,SIBatPTO=2.8653andHBatPTh=2.802forthesingularperturbationsystem.ItmeansthatthepowersystemwillcollapsenearSIBwhichprecedesSNBandthatthepowersystemwilloscillatenearHBwhichprecedesSIB.Inotherwords,thepowersystemwillloseitsstabilitybymeansofoscillationneartheHBwhichprecedesSIBandSNBasPTisincreasingtoacriticalvalue.Theboundaryofthestabilityregionofthesystemcanbedescribedapproximatelybyacombinationofboundariesofthestabilityregionsofthefastsubsystemandslowsubsystem.

简介：Westudyamodelforthelong-termbehaviorofasingle-speciespopulationwithsomedegreeofpollutiontoleranceinapollutedenvironment.Themodelconsistsofthreeordinarydifferentialequations:oneforthepopulationdensity,onefortheamountoftoxicantinsidethelivingorganisms,andonefortheamountoftoxicantintheenvironment.Wederivesufficientconditionsforthepersistenceandtheextinctionofthepopulationdependingontheexogenousinputrateofthetoxicantintotheenvironmentandthelevelofpollutiontoleranceoftheorganisms.Numericalsimulationsarecarriedouttoillustrateourmainresults.

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简介：WestudythescalinglimitforacatalyticbranchingparticlesystemwhoseparticlesperformrandomwalksonZandcanbranchat0only.Varyingtheinitial(finite)numberofparticles,wegetforthissystemdifferentlimitingdistributions.Tobemorespecific,supposethatinitiallytherearen~βparticlesandconsiderthescaledprocessZ_t~n(●)=Z_(nt)(n~(1/2)●),whereZ_tisthemeasure-valuedprocessrepresentingtheoriginalparticlesystem.WeprovethatZ_t~nconvergesto0whenβ<1/4andtoanondegeneratediscretedistributionwhenβ=1/4.Inaddition,if1/41/2thenn~(-β)Z_t~nconvergestoadeterministiclimit.

简介：Usingrecursivemethod,thispaperstudiesthequeuesizepropertiesatanyepochn+inGeom/G/1(E,SV)queueingmodelwithfeedbackunderLASDA(latearrivalsystemwithdelayedaccess)setup.Somenewresultsabouttherecursiveexpressionsofqueuesizedistributionatdifferentepoch(n+,n,n-)areobtained.Furthermoretheimportantrelationsbetweenstationaryqueuesizedistributionatdifferentepochsarediscovered.TheresultsaredifferentfromtherelationsgiveninM/G/1queueingsystem.Themodeldiscussedinthispapercanbewidelyappliedinmanykindsofcommunicationsandcomputernetwork.

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简介：一个非内部的继续方法为半被建议明确的补充问题(SDCP)。这个方法改进最近陈和Tseng为SDCP开发的非内部的继续方法。我们的方法的主要性质是：(i)它为单调SDCP是明确的；(ii)它不得不在每步解决就方程的一个线性系统；(iii)全球性是两个被显示在合适的假设下面会聚的线性地会聚、局部地二次的联盟者。给词调音：Semidefinite补充问题；非内部的继续方法；全球集中；本地二次的集中