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1.
IntroductionInPartⅠofthisseries (see [1 ] )weproposeamethodtoextendanoperatorTdefinedinaspaceofcontinuousfunctionstoanoperatorT definedinaspaceofcontinuousset_valuedfunctions ,viaSteinerselections.Westudysomepropertiesofthisextensionandalsoweanalyzesomerel… 相似文献
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Existence and Approximation of Solutions to Variational Inclusions with Accretive Mappings in Banach Spaces 总被引:3,自引:0,他引:3
张石生 《应用数学和力学(英文版)》2001,22(9):997-1003
IntroductionThroughoutthispaperwesupposethatXisarealBanachspace,X isitsdualspace ,〈· ,·〉isthepairingofXandX .D(T)andR(T)denotethedomainandtherangeofTrespectively .LetT ,A :X →X ,g :X→X bethreemappingsandφ :X →R∪ ∞ aproperconvexlowersemi_continuousfunction .In 1 999,th… 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
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IntroductionFindingsufficientconditionsfornonoscillatoryofsolutionsisaproblemofgeneralinterestinthetheoryofordinaryanddelaydifferentialequations.Inthisworkweconsiderdds σ(s) dds r(s) dxds +q(s) dxdsβ +p(s)xα =f(s) ,(1)whereσ ,r,q,pandfarereal_valuedcontinuousfuncti… 相似文献
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IntroductionConsidertheindirectcontrolsystem x =Ax Bφ(σ) , σ =CTx ρφ(σ) ,(1 )wherex∈Rn,σ ∈R ,Aisn×nstablematrix ,BandCarendimensionalvectors,thesymbolTstandsfortransposition ,ρisaconstant,function φ(σ) :R →Riscontinuousandsatisfiesconditionσφ(σ) >0 ( σ∈R ,σ≠ 0 ) . (2 )Manyspe… 相似文献
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IntroductionBifurcationandfractaltheoryaretwoimportantbranchesofnonlinearscience.Thebifurcationis:forcontinuous_timedynamicalsystemx=f(x,t,α)ordiscretedynamicalsystemx|→g(x,α)(wheregismapg:Rn×R→Rn),whentheparameterαchangescontinuouslyandpassesα0,thetopologic… 相似文献
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Nomenclaturex(t) Onesegmentofcontinuousspecimengottenbysamplingtheharmonicsignalθ Phaseofsampledsignalθ0 PhaseofsignalaftershiftingA AmplitudeofsignalΔf Correctionoffrequency△φ CorrectionofphaseΦ PhaseafterFourierTransformΔΦ PhaseDifferencefx Samplin… 相似文献
8.
张石生 《应用数学和力学(英文版)》2000,(1)
IntroductionandPreliminariesThroughoutthispaper,weassumethatEisarealBanachspace,E*isthedualspaceofEand〈·,·〉denotesthepairbetw... 相似文献
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IntroductionIntheactivitiessuchastheaerospaceengineeringheatprotection[1,2 ],thelarge_scaleconcretepouring ,thechemicalproduction ,thepowdermetallurgyandthefiresafetyengineering[3,4],thereisonekindofnonlinearparabolicdistributedparametercontrolsystemwithmovi… 相似文献
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张石生 《应用数学和力学(英文版)》2001,22(1):25-34
IntroductionThroughoutthispaperweassumethatEisarealBanachspace ,E isthedualspaceofE ,DisanonemptysubsetofEandJ:E → 2 E isthenormalizeddualitymappingdefinedbyJ(x) =f∈E :〈x ,f〉 =‖x‖·‖f‖ , ‖f‖ =‖x‖ (x∈E) . Ddfinition 1 1 LetT :D →Dbeamapping1 )Tissaidtobeasymptoticallyno… 相似文献
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曾六川 《应用数学和力学(英文版)》2002,23(6):686-693
1 IntroductionandPreliminariesLetXbearealBanachspacewiththenorm‖·‖ ,X bethedualspaceofX ,and〈· ,·〉bethegeneralizeddualitypairingbetweenXandX .ThenormalizeddualitymappingJ:X →2 X isdefinedbyJ(x) =f∈X :〈x ,f〉=‖x‖2 =‖f‖2 , x∈X . RecallthatthemodulusρX( ·)ofsmoothnesso… 相似文献
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梅凤翔 《应用数学和力学(英文版)》1999,(6)
ntroductionOwingtothedevelopmentofthespacetechnologyandothertechnology,thestudyonthedynamicsofvariablemassystemsbecomesmorean... 相似文献
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IntroductionInthefieldofspace,thecoupleddynamicsrelativetoliquidsloshingisoftenencountered[1].Inaspacecraftdynamicalsystem ,theliquidsloshingusuallycoupleswithrigidmotionofthesatellite ,vibrationsoftheflexibleappendixesandcontrolfunction .Ononehand ,themot… 相似文献
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1 StressFunctionEquationsofPlanarElasticBodyandConditionsofDefiniteSolutions Analyticfunctionshavemanyimportantapplicationstotheproblemsofplanarelasticmechanicsandfluidmechanics[1~ 3].Inordertomakeacarefulstudyofthevectorfieldswithsourcesandcurls,thebia… 相似文献
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IntroductionAlongwiththerecentadvancesofhightechnologies,adaptivestructuresareplayingagreatimportantroleinspacedevelopment[1~... 相似文献
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张石生 《应用数学和力学(英文版)》2002,23(4):394-408
1 IntroductionandPreliminariesThroughoutthispaper,weassumethatEisarealBanachspace ,E isthetopologicaldualspaceofE ;〈· ,·〉isthedualpairbetweenEandE ,D(T) ,R(T) ,N(T) ,F(T)denotethedomainofT ,rangeofT ,thesetofallzeropointsofTandthesetofallfixedpointsofTrespectively… 相似文献
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谷峰 《应用数学和力学(英文版)》2001,22(12):1458-1467
1 IntroductionandPreliminariesThroughoutthispaper,weassumethatXisarealBanachspaceandX isthedualspaceofX ,〈· ,·〉denotesthepairingofXandX .ThemappingJ:X → 2 X definedbyJ(x) =j∈X :〈x ,j〉=‖x‖·‖j‖ ,‖j‖ =‖x‖ , x∈Xiscalledthenormalizeddualitymapping .Definition 1 1 LetXbea… 相似文献
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IntroductionOneofthemostimportantandinterestingproblemsinthefieldofnonlinearscienceisthedynamicsanalysisofspace_timecomplexity .Thestudyofthissubjectisdevelopingalongtwodirections.Ononehand ,thetheoryestablishedbyTemam[1,2 ]andhisco_workersoftheuniqueglob… 相似文献
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IntroductionIncontinuousrandomvariableprolem ,probabilitydensityfunction (PDF)alldeterminesrandomvariable .However,itisnoteasytoobtaintheaccuratePDF .WhenthedataisnotampleandthePDFcannotbefullydetermine,ithasmorepracticalmeaningtouseafuzzyvaluefunctiontod… 相似文献
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IntroductionAccordingtothedifferenceofindependentvariable,alltheproposedfiniteelementmodelscanbedividedintofiveclasses:1 )Displacementmodel[1- 4],whichassumesdisplacementiscontinuousintheentirefield ;2 )Equilibriummodel[4 ],whichassumesstressisbalanceoneachelem… 相似文献