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1.
云天铨 《应用数学和力学(英文版)》2001,(1)
1 MeaningandMethodsofStudyingofFinancialDerivativesFinancialderivativesarethosefinancialproductswhicharederivedfrombasicasserts (orunderlyinginstrucments) (e .g .stock ,bond ,currency ,interestrate,etc.)oftraditionalmarkets(e.g .stockmarket,bond’smarket,currency… 相似文献
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Thethreshold_crossingofstochasticprocessesisaproblemoftenencounteredinthestudyofvariousphysicalphenomena .Theterm ,threshold_crossing ,isusedtoindicateacertainfixedvaluebeingcrossedbytheoscillatingrealizationζ(1) (t)ofastochasticprocessζ(t) ,asshownbythetypi… 相似文献
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IntroductionTurbulentflowisanonlinearstochasticprocessandoneofitsbasiccharacteristicsislargereffectivetransportcapabilitythanthatoflaminarflow .Ingeneral,transportinfluidsisgradient,i.e.momentum ,energyaretransportedfromthehighervalueregiontothelowervalu… 相似文献
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STUDY FOR THE BIFURCATION TOPOLOGICAL STRUCTURE AND THE GLOBAL COMPLICATED CHARACTER OF A KIND OF NONLINEAR FINANCE SYSTEM(Ⅱ) 总被引:1,自引:0,他引:1
IntroductionChaoticistheinherentrandomnessinthedefinitesystem .Thedefinitenessiscausedbythesysteminternalsbutnotbytheexternaldisturbance,whiletheinherentrandomnessistheirregularanddifficult_to_be_predictedbehaviorofthesystem .Whatismostattractiveofthec… 相似文献
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STUDY FOR THE BIFURCATION TOPOLOGICAL STRUCTURE AND THE GLOBAL COMPLICATED CHARACTER OF A KIND OF NONLINEAR FINANCE SYSTEM(Ⅰ) 总被引:1,自引:0,他引:1
IntroductionChaoticistheinherentrandomnessinthedefinitesystem .Thedefinitenessiscausedbythesysteminternalsbutnotbytheexternaldisturbance[1- 4],whiletheinherentrandomnessistheirregularanddifficult_to_be_predictedbehaviorofthesystem[5 ,6 ].Whatismostattractive… 相似文献
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IntroductionThewakeinterferencewithcomplexconfigurationsconsistingofmultiplebluffbodiesisattractingattentionofalotofresearchers,becauseofitspracticalapplicationstoindustry.Forexample,twinstrutstosupportwingsinthefieldsofaeronauticalengineering;twinchim… 相似文献
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Presently,thecomputationalapproachtomaximalLyapunovexponentsfornonlinearstochasticsystemshasemergedasoneprimaryfociofresearchinterestinthefieldofsystemstabilityandstochasticbifurcation.ThisismainlyattributedtothefactthatmaximalLyapunovexponenthasbeen… 相似文献
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IntroductionAmajorproblemofonedimensionaldynamicsistostudytheattractorsofintervalmaps,i.e.theclassificationandstructureofattractors.FollowingMilnor’sdefinitiononattractors[1],iffisaunimodalmapwithnegativeSchwarzianderivative ,thenbyGuckenheimer’stheorem[2 ]… 相似文献
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IntroductionThetransientanalysisfor 3_Delastodynamiccrackproblemsisanimportantcontentinfracturemechanics.Becauseofthedifficultiesoftheproblems,thecalculationofDSIFfor 3_Dcrackisaproblemunsolvedcompletelyuptothepresent.Chen[1]firstlyusedthefinitedifference… 相似文献
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IntroductionItisanimportanttopictosearchfornewintegrablesystemsissolitontheory .Inrecentyears,twoveryeffectiveapproachesthatproduceinfinite_dimensionalandfinite_dimensionalintegrableHamiltoniansystemsrespectivelyhavebeendeveloped .Thefirstoneisthetrace… 相似文献
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IntroductionAsanewmethodfornonlinearstochasticvibrationanalysis,theequivalentlinearizationmethodbasedonenergydifferencecriterionhasahistoryofonlymorethanonedecade .Ithasahigheraccuracythanthatofthemethodbasedonequationdifferencecriterionandhassomeothe… 相似文献
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IntroductionTransientstateanalysishasbeenanactiveresearchareainmanyengineeringproblems.Inpracticalsituation ,likestructuralmechanics,thesystemsbeingstudiedareusuallynonlinearandtime_dependent.Theanalyticalmethodstosolvetheseproblemsareimpossible .Thenum… 相似文献
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IntroductionOneoftheprimaryproblemsingoetechnicalengineeringistoconstructasoilconstitutivemodelapplicabletogeneral 3_Dstressstates.Althoughmanytypesofconstitutivemodelshavebeenproposed ,fewcantakeproperaccountofthedirectionalchangeofstressvector (i.e .,ro… 相似文献
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Ishikawa Iterative Process in Uniformly Smooth Banach Spaces 总被引:2,自引:0,他引:2
黄震宇 《应用数学和力学(英文版)》2001,22(11):1306-1310
LetEbeauniformlysmoothBanachspace ,KbeanonemptyclosedconvexsubsetofE ,andsupposeT :K→KisacontinuousΦ_stronglypseudocontractiveoperator.DenotethedualspaceofEbyE .WedenotebyJthedualitymapfromEto 2 E definedbyJ(x) =f∈E :〈x ,f〉=‖x‖2 =‖f‖2 . ( 1 )Itiswell_knownthatifEisu… 相似文献
15.
曹进德 《应用数学和力学(英文版)》1999,(6)
IntroductionInthispaper,weconsiderperiodicsolutionproblemofhigherorderneutraltypeequationoftheformx(k)(t)+∑ki=1aix(k-i)(t)+∑k... 相似文献
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IntroductionArefinedepitomeofvariouspansystemsmethodsistocomprehendandoperateabout 2 0pansystemscategorieswhichcanbeexpandedasthefollowingpithyformulasexpressions:Thepanderivatives (orthechange_changerelations)oftheexterior_interior(orthefunction_structu… 相似文献
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ThedecisiveeffectsofsingularpointsandboundariesbelongingtosolutionprocessesofItostochasticdifferentialequationsonthesituationsofdistributionsofergodiccomponents,theexistenceandtheformsofinvariablemeasures,thesampleproperties(includingsamplestability)… 相似文献
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IntroductionLetA ∈Cn ,n,andbepartitionedasfollows:A =A11A12 …A1kA2 1A2 2 …A2k…………Ak1Ak2 …Akk,( 1 )whereAii∈Cni,ni,1 ≤i≤k ,∑ki=1ni=n ,Aii( 1 ≤i≤k)arenonsingular.Inmostpracticalapplications,thematricesAijaresparseandmanyoftheblockmatricesarezero .Definition 1 IfB =(bij) =(‖Aij‖ ) k×… 相似文献
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IntroductionThebasicfunctionofthemicrocirculationistoallowrapidexchangeofwater,gases,nutrientsandwasteproductsbetweenthebloodandtissuecells.Amicrocirculationunitthereforeconsistsofmicrovessels(arterioles,capillaries,venules,thoroughfaresandarteriole_… 相似文献
20.
丁灯 《应用数学和力学(英文版)》2000,21(9):1079-1090
IntroductionThestochasticoptimalcontrolproblemsofreflecteddiffusionprocesseshasbeenconsideredbysomemathematicians,forinstance ,P .L .Lionsin [1 ] ,andJ.L .MenaldiandM .Robinin[2 ] .Inthispaper,wewillconsiderastochasticoptimalcontrolproblemofreflecteddiffusionswit… 相似文献