新書推薦:

《
征服新世界:西班牙全球帝国之路,1493—1898
》
售價:HK$
96.8

《
不纠结了 摆脱选择焦虑的极简法则 高敏感、优柔寡断、总陷入选择内耗的 纠结星人 自救指南
》
售價:HK$
54.8

《
当战争来敲门(牛津二战史,耶鲁、剑桥大学教授推荐)
》
售價:HK$
96.8

《
初老的身体:更年期新规则指南(第2版)
》
售價:HK$
140.8

《
摘星星的人
》
售價:HK$
47.1

《
名侦探的守则(东野圭吾:反套路!玩梗诡计,吐槽套路,爆笑推理!“你怎么看出我男扮女装的?”)
》
售價:HK$
64.9

《
金融帝国:美元如何计算全球
》
售價:HK$
74.8

《
全球化时代的历史书写:七位欧美历史学家访谈录 尔文智识生活系列
》
售價:HK$
107.8
|
| 內容簡介: |
Inthisbookweaimtopresent,inaunifiedframework,abroadspectrumofmathematicaltheorythathasgrowninconnectionwiththestudyofproblemsofoptimization,equilibrium,control,andstabilityoflinearandnonlinearsystems.ThetitleVariationalAnalysisrefiectsthisbreadth.
Foralongtime,variationalproblemshavebeenidentifiedmostlywiththe''calculusofvariations''.Inthatvenerablesubject,builtaroundtheminimizationofintegralfunctionals,constraintswererelativelysimpleandmuchofthefocuswasoninfinite-dimensionalfunctionspaces.Amajorthemewastheexplorationofvariationsaroundapoint,withintheboundsimposedbytheconstraints,inordertohelpcharacterizesolutionsandportraythemintermsof''variationalprinciples''.Notionsofperturbation,approximationandevengeneralizeddifferentiabilitywereextensivelyinvestigated,Variationaltheoryprogressedalsotothestudyofso-calledstationarypoints,criticalpoints,andotherindicationsofsingularitythatapointmighthaverelativetoitsneighbors,especiallyinassociationwithexistencetheoremsfordifferentialequations.
|
| 目錄:
|
Chapter1.MaxandMin
A.PenaltiesandConstraints
B.EpigraphsandSemicontinuity
C.AttainmentofaMinimum
D.Continuity,ClosureandGrowth
E.ExtendedArithmetic
F.ParametricDependence
G.MoreauEnvelopes
H.Epi-AdditionandEpi-Multiplication
I*.AuxiliaryFactsandPrinciples
Commentary
Chapter2.Convexity
A.ConvexSetsandFunctions
B.LevelSetsandIntersections
C.DerivativeTests
D.ConvexityinOperations
E.ConvexHulls
F.ClosuresandContimuty
G.*Separation
H*RelativeInteriors
I*PiecewiseLinearFunctions
J*OtherExamples
Commentary
Chapter3.ConesandCosmicClosure
A.DirectionPoints
B.HorizonCones
C.HorizonFunctions
D.CoercivityProperties
E*ConesandOrderings
F*CosmicConvexity
G*PositiveHulls
Commentary
Chapter4.SetConvergence
A.InnerandOuterLimits
B.Painleve-KuratowskiConvergence
C.Pompeiu-HausdorffDistance
D.ConesandConvexSets
E.CompactnessProperties
F.HorizonLimits
G*ContimutyofOperations
H*QuantificationofConvergence
I*HyperspaceMetrics
Commentary
Chapter5.Set-ValuedMappings
A.Domains,RangesandInverses
B.ContinuityandSemicontimuty
C.LocalBoundedness
D.TotalContinuity
E.PointwiseandGraphicalConvergence
F.EquicontinuityofSequences
G.ContinuousandUniformConvergence
H*MetricDescriptionsofConvergence
I*OperationsonMappings
J*GenericContinuityandSelections
Commentary.
Chapter6.VariationalGeometry
A.TangentCones
B.NormalConesandClarkeRegularity
C.SmoothManifoldsandConvexSets
D.OptimalityandLagrangeMultipliers
E.ProximalNormalsandPolarity
F.Tangent-NormalRelations
G*RecessionProperties
H*IrregularityandConvexification
I*OtherFormulas
Commentary
Chapter7.EpigraphicalLimits
A.PointwiseConvergence
B.Epi-Convergence
C.ContinuousandUniformConvergence
D.GeneralizedDifferentiability
E.ConvergenceinMinimization
F.Epi-ContinuityofFunction-ValuedMappings
G.ContinuityofOperations
H*TotalEpi-Convergence
I*Epi-Distances
J*SolutionEstimates
Commentary
Chapter8.SubderivativesandSubgradients
A.SubderivativesofFunctions
B.SubgradientsofFunctions
C.ConvexityandOptimality
D.RegularSubderivatives
E.SupportFunctionsandSubdifferentialDuality
F.Calmness
G.GraphicalDifferentiationofMappings
H*Proto-DifferentiabilityandGraphicalRegularity
I*ProximalSubgradients
J*OtherResults
Commentary
Chapter9.LipschitzianProperties
A.Single-ValuedMappings
B.EstimatesoftheLipschitzModulus
C.SubdifferentialCharacterizations
D.DerivativeMappingsandTheirNorms
E.LipschitzianConceptsforSet-ValuedMappings
……
Chapter10.SubdifferentialCalculus
Chapter11.Dualization
Chapter12.MonotoneMappings
Chapter13.Second-OrderTheory
Chapter14.Measurability
|
|