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  • 简介:Inthispaper,aquantummodelforthebinomialmarketinfinanceisproposed.Weshowthatitsrisk-neutralworldexhibitsanintriguingstructureasadiskintheunitballofR^3,whoseradiusisafunctionoftherisk-freeinterestratewithtwothresholdswhichpreventarbitrageopportunitiesfromthisquantummarket.Furthermore,fromthequantummechanicalpointofviewwere-deducetheCox-Ross-RubinsteinbinomialoptionpricingformulabyconsideringMaxwell-BoltzmannstatisticsofthesystemofNdistinguishableparticles.

  • 标签: 量子论理论 二项式市场 财政理论 麦克斯韦-玻尔兹曼统计 购买权 冒险-中立世界
  • 简介:<正>ThispaperprovidesapolyhedraltheoryongraphsfromwhichthecriteriaofWhit-neyandMacLanefortheplanarityofgraphsareunified,andabriefproofoftheGausscrossingconjectureisobtained.

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  • 简介:ispaperestablishesaformalmodelforhybriddiagnosis,novelfeaturesincluding:(1)Itprovidesaunifiedtheoreticalframeworkforutilizingdevicemodelsandheuristicsindiagnosis,whichnaturallyintegratesalltheimportantcomponentsofdiagnosis-thestructuralandbehavioraldescriptionofdevices,faultmodes,thelowerandupperfaultbounds,faultpossibilitiesandheuristicrules-intoadiagnosticsystem.Devicemodelspredictoutputsfrominputs,heuristicrulesinferthepossibilitiesofcertaincomponentsbeingfaultyfromsymptons,andyetthecombinationofbothconstrainseachotherforustoreducethehypothesisspace.(2)Itpresentsatypicalwayofmodelingbehaviorofdevices,towhichthekeyistheintroductionofI-Ofunctionswithindefiniteinputs/outputs.(3)Itcaneasilybeimplementedoveraforware-chaininginferenceengine.

  • 标签: 程序设计 容错 混合诊断理论
  • 简介:Basedontheequilibriumtidetheoryoftheseawater,amodeloflongperiodvariationsinairpressurewiththelunarmotionisderivedtoadvancetheclimatictideconceptandformulatetheclimatictideformula,whichprovidesusefulleadsforpredictingtheheavymeteorologicalcatastropheinShandongarea,eveninChina,aswellasinthewholeworld.

  • 标签: 气压 周期变化 模拟 气候学 大气平衡潮
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  • 简介:Inrecentyears,numeroustextualstudieshaveappeared.However,themajorityofthemconcentratedonthestudyofcohesionandcoherenceofsentences.VanDijk(1977,1980),Hollandfamouslinguist,putforward"Macrostructures"whichprovideuswithatheoreticalbasistostudymacrostructureoftexts.ThepaperaimstointroduceitinverydetailandmakeitknowntoalltheEnglishlearners.

  • 标签: macrostructures TEXTUAL STUDIES
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  • 简介:Inthenormal-modetheoryofMorse,itgivesaseriesofnormalmodesasthesolutionofforcedvibrationinaroom.Butactuallythereisalwaysthedirectradiationbesidesthenormalmodeswhichrepresentthereverbrantsoundfieldonly.Thereasonisthatthenormalmodeswereassumedonlyinthesource,andnaturallynormalmodesonlyareobtainedinthesolution.Atheoryofdoublesourceisproposed,thatthesoundsourceisboththesourceofthedirectradiationasifinfreespacebeforetheboundarysurfaceswerereachedbythedirectradiation,andafterthefirstreflectionfromtheboundarysurfaces,thesourceofthereflectedwavelets,randomlydistributedbothinspaceanintimeontheboundarysurfacesthatbuildupthenormalmodesafterfurtherreflections.Thewaveequationisformedaccordingly,andthesolutionofthewaveequation,thesoundfieldinaroom,containsexplicitlyboththedirectradiationandthereverberantsoundformedofnormalmodes.Theapproximatemeansquaresoundpressureisfoundtobethedircetsounddeterminedbythesoundpowerofthesource,andreverberantsounddeterminedbythesoundpowerreducedbyafactorofπ/2,differentslightlyfromtheresultobtainedfromenergyconsideration,ifthesourceispuretone.Thereisessentiallynodifferenceforasourceofbandnoise.

  • 标签: 摩尔斯式电码 声场 基本理论 受迫振动 振动模式 双源理论
  • 简介:Anewformofdamagetheoryofmaterialsisproposed,thatisvalidforthecaseofnonconservativestresses.Thepartialentropy,strainandmicrostructureparametersaretakenasthestatevariables.Withoutassumingthefreeenergytobeastatefunction,thebasicgoverningequationsarederived.Accordingtothebalanceofreleasedanddissipatedenergy,thegeneralformofdamageevolutionequationisobtained.Further,assumingtheexistenceofindependentdamagemechanisms,thenormalityofdamageevolutionequationisproven.Thegeneralizeddamagevariablesaredis-cussed.Finally,someexamplesaregiventoshowtheapplicationsofthetheory.

  • 标签: STATE FUNCTIONS CONSTRAINED VARIABLES DAMAGE evolution
  • 简介:Inthispaper,weproposetheconceptofcohomologicaloperator.Concretely,wesuggestthecohomologicaldifferentialoperator,correlativecohomologicaldifferentialoperatorandextensivecohomologicaldifferentialoperatorandbringcovariantderivativeintotheextensivecohomologicaldifferentialoperator,WeconstructonetypeofnonlineardifferentialequationsbyextensivecohomologicaldifferentialoperatorandcomparetheobtainedresaleswiththeYang-Millsequation.

  • 标签: correlative MILLS derivative MANIFOLD involv OPERA
  • 简介:Inthispaper,severalusuallyusedpolynomialinterpolationmethodsareexplainedinviewofvectorbasisanddimensioninlinearalgebratheory.Usingtransitionmatrixes,generalconversionformulabetweenthebasisfunctionsetsofthesepolynomialinterpolationmethodsaregiven.Anexamplealsoshowstheeffectivenessoftheresults.

  • 标签: Vector Basis LAGRANGE INTERPOLATION NEWTON INTERPOLATION
  • 简介:Thisarticleputsforwarda'unifiedfieldtheory'forinternationalrelations(IR).ItfirstdividescurrentwesternIRtheoriesintohardandsoftcategories,thenpointsoutconceptualfallaciesofthethreemajordebatesinthehistoryofWesternIRtheoriesbyusingthiscategorizationasananalyticalguide.ItfurtherassertsthatsuchacategorizationshouldhelpclarifythepresenttheoreticalchaosbypursuingaunifiedIRtheoreticalsystem.

  • 标签: 红外 统一论 国际关系 西方 分类
  • 简介:InthispapersomeequivalencedefinitionsaregivenfornativespaceswhichwereintroducedbyMadychandNelsonandhavebecomeinfluentialinthetheoryofradialbasisfunctions.Theabstractelementsinnativespacesareinterpreted.Moreover,WeinrichandIske'stheoriesareunified.

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