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简介：Inthispaperbyvirtueofthetechniqueofintegrationwithinanorderedproduct(IWOP)ofoperatorsandtheintermediatecoordinate-momentumrepresentationinquantumoptics,wederivethenormalorderingandantinormalorderingproductsoftheoperator(fQ+gP)nwhennisanarbitraryinteger.Theseproductsareveryusefulincalculatingtheirmatrixelementsandexpectationvaluesandobtainingsomeusefulmathematicalformulae.Finally,theapplicationsofsomenewidentitiesaregiven.

简介：Crystalandphasemorphologiesandstructuresdeterminedbyself-organizationofcrystalline-amorphousdiblockcopolymers,crystallizationofthecrystallizableblocks,andvitrificationoftheamorphousblocksarereviewedthroughasystematicstudyonaseriesofpoly（ethyleneoxide）-b-polystyrene（PEO-b-PS）diblockcopolymers.Onthebaseofcompetitionsamongthesethreeprocesses,molecularandsupramolecularorderinginconfinedenvironmentscanbeinvestigated.Inaconcentration-fluctuation-induceddisordered(DCF)diblockcopolymer,thecompetitionbetweencrystalli-zationofthePEOblocksandvitrificationofthePSblocksismomtoredbytime-resolvedsimultaneoussmallangleX-rayscattering（SAXS）andwideangleX-raydiffraction（WAXD）techniques.InthecaseofTc

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简介：Weputforwardthecredittargetssequencessetandorderingstructureofcredittargetssequencesandthedominancestructureincredittargetssequencesset.Wealsogiveamodeltoevaluatecustomer'screditbythedeviation.

简介：Mostofthespareorderingpoliciestreateduptonowhaveassumedthatpreventiveandcorrectivereplacementcostsareequal,whichimpliesinessentialthatthereisnosignificantneedforpreventivereplacement.Thispaperpresentsanorderingpolicyforpreventiveagereplacementwithminimalrepair.Introducingthereplacement,repair,inventoryholdingandshortagecosts,theexpectedcostrateisderived.Aproceduretodeterminejointlytheorderingtimeforaspareandthepreventivereplacementtimefortheoperatingunitsoastominimizetheexpectedcostrateisproposed.Toexplaintheorderingpolicyandtheoptimizationprocedure,anumericalexampleisalsoincluded.

简介：Inthispaper,theoptimalmaintenancepolicyisinvestigatedforasystemwithstochasticleadtimeandtwotypesoffailures.Thesystemhastwotypesoffailures,onetypeisrepairable,whentherepairablefailureoccurs,thesystemwillberepairedbyrepairman,andthesystemafterrepairisnot“asgoodasnew".Theothertypeoffailureisunrepairable,andwhentheunrepairablefailureoccursthesystemmustbereplacedbyanewandidenticalone.Thesparesystemforreplacementisavailableonlybyorder,andtheleadtimefordeliveringthesparesystemisstochastic.Thesuccessivesurvivaltimesofthesystemformastochasticallydecreasinggeometricprocess,theconsecutiverepairtimesafterfailuresofthesystemformarenewalprocess.Byusingtherenewalprocesstheoryandgeometricprocesstheory,theexplicitexpressionofthelong-runaveragecostperunittimeunderorderingpolicy(N-1)isderived,andthecorrespondingoptimalcanbefoundanalytically.Finally,thenumericalanalysesaregiven.

简介：让T2k+1是有将近完美的匹配的2k+1顶点上的树的集合；α(T)是树T的代数学的连接。作者决定最大在T2k+1的树的代数学的连接的12价值。明确地，10树T2，T3，，T11；树T(1)的二个班；在T2k+1的T(12)被介绍。它在这被显示出为每树T1糊那[′]，T1[″]∈T(1)；T12[′]，T12[″]∈T(12)；每i，有2≤iα(Ti)>α(Tj)>α(T12[′])=α(T12[″])。它也与T∈T2k+1为每树T被看那(T(1)∪{T2，T3，，T11}∪T(12))，α(T12[′])>α(T)。

简介：1.IntroductionLetXbeavectorspace,Ybeatopologicalvectorspace,Zbealocallyconvexspace,andletthetopologicaldualspacesofYandZbedenotedbyY*andZ*,respectively.LetCbeapointedconvexconeinYandKbeaclosedconvexpointedconeinZ.ThedualconesofCandKaredefinedasrespec...

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简介：众多的实验研究证明那个做广告的努力能在两个现在和将来的时期刺激需求，并且在定价之间有一个相互作用，为决定做广告并且订。这些决定怎么并且什么与对方一起交往在定价上做广告并且订的效果是决定？理解这个相互作用，我们考虑在一个稳定的市场卖一个容易腐烂的产品并且动态地决定联合的订，定价和做广告的策略的一个书报摊贩类型公司。这个问题与做广告的carryover效果和价格敏感的需求作为一个无限的地平线书报摊贩问题被建模。我们描绘最佳的定价，做广告并且盘点策略和他们的比较静电干扰，并且考虑没有做广告的效果，这条政策怎么不同于传统的途径。我们证明最�

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简介：OrderingbasedsearchmethodshaveadvantagesovergraphbasedsearchmethodsforstructurelearningofBayesiannetworksintermsontheefficiency.Withtheaimoffurtherincreasingtheaccuracyoforderingbasedsearchmethods,wefirstproposetoincreasethesearchspace,whichcanfacilitateescapingfromthelocaloptima.Wepresentoursearchoperatorswithmajorizations,whichareeasytoimplement.Experimentsshowthattheproposedalgorithmcanobtainsignificantlymoreaccurateresults.Withregardtotheproblemofthedecreaseonefficiencyduetotheincreaseofthesearchspace,wethenproposetoaddpathpriorsasconstraintsintotheswapprocess.Weanalyzethecoefficientwhichmayinfluencetheperformanceoftheproposedalgorithm,theexperimentsshowthattheconstraintscanenhancetheefficiencygreatly,whilehaslittleeffectontheaccuracy.Thefinalexperimentsshowthat,comparedtoothercompetitivemethods,theproposedalgorithmcanfindbettersolutionswhileholdinghighefficiencyatthesametimeonbothsyntheticandrealdatasets.

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简介：Theinvestigationofelectrochromiceffectofcorona-polednonlinearopticalpolymerfilmsisaneffectivemethodfortheestimationofpolinglevelandtheselectionofpolingconditions.ThepolingelectricfieldEpandorientationalorderparameterΦ,whicharetheimportantparameterstopredictd33ofpoledfilms,canbecalculatedbyasimpleoperationfromthenumberofredshiftofchargetransferabsorptionband.Thecalculatedresultsareingoodagreementwiththeexperimentaldata.

简介：1.IntroductionLetG=(V,E,W)beaconnected,weightedandundirectedgraph,VeEE,w(e)(

简介：Numericalandanalyticalresultsarepresentedforthemagneticorderinginabond-dilutedspin-1/2andspin-1mixedtransverseIsingsystemwithasingle-ionanisotropyonahoneycomblattice.Specialemphsisisplacedonthemagneticorderingunderthebonddilutionandpercolationthreshold.Wediscussindetailtheinfluenceoftransversefieldsofdifferentsublatticsonthenormalmagneticorderingandonthemagneticorderinginducedbysingle-lonanisotropy.Wefindthatthemagneticorderingofasystemexhibitsanexplicitdifferencewhenreceivingthetransversefield.Thisphenomenonhasnotbeenrevealedinpreviousreports.

简介：AnewnonparametricprocedureisdevelopedtotesttheexponentialityagainstthestrictNBUCpropertyofalifedistribution.Theexactnulldistributionisderivedbythetheoryofsamplespacings,andtheasymptoticnormalityisalsoestablishedbythelargesampletheoryofL-statistics.Finally,theloweranduppertailedprobabilityoftheexactnulldistributionandsomenumericalsimulationresultsarepresentedaswell.

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