《非線性物理科學(xué):微分方程群性質(zhì)理論講義》提供了確定和利用微分方程對(duì)稱性的李群方法簡(jiǎn)明和清晰的介紹,并提供了在氣體動(dòng)力學(xué)和其他非線性模型中的大量應(yīng)用,以及《非線性物理科學(xué):微分方程群性質(zhì)理論講義》作者在這個(gè)經(jīng)典領(lǐng)域的卓越貢獻(xiàn)!斗蔷性物理科學(xué):微分方程群性質(zhì)理論講義》中還包含在其他現(xiàn)代書籍中不曾涉及的一些非常有剛的材料,例如:Ovsyannikow教授發(fā)展的部分不變解理論,該理論提供了求解非線性微分方程和研究復(fù)雜數(shù)學(xué)模型強(qiáng)有力的工具。
Editor's preface
Preface
1 One-parameter continuous transformation groups admitted bydifferential equations
1.1 One-parameter continuous transformation group
1.1.1 Definition
1.1.2 Canonical parameter
1.1.3 Examples
1.1.4 Auxiliary functions of groups
1.2 Infinitesimal operator of the group
1.2.1 Definition and examples
1.2.2 Transformation of functions
1.2.3 Change of coordinates
1.3 Invariants and invariant manifolds
1.3.1 Invariants
Editor's preface
Preface
1 One-parameter continuous transformation groups admitted bydifferential equations
1.1 One-parameter continuous transformation group
1.1.1 Definition
1.1.2 Canonical parameter
1.1.3 Examples
1.1.4 Auxiliary functions of groups
1.2 Infinitesimal operator of the group
1.2.1 Definition and examples
1.2.2 Transformation of functions
1.2.3 Change of coordinates
1.3 Invariants and invariant manifolds
1.3.1 Invariants
1.3.2 Invariant manifolds
1.3.3 Invariance of regularly defined manifolds
1.4 Theory of prolongation
1.4.1 Prolongation of the space
1.4.2 Prolonged group
1.4.3 First prolongation of the group operator
1.4.4 Second prolongation of the group operator
1.4.5 Properties of prolongations of operators
1.5 Groups admitted by differentialequations
1.5.1 Determining equations
1.5.2 First-order ordinary differential equations
1.5.3 Second-orderordinarydifferentialequations
1.5.4 Heat equation
1.5.5 Gasdynamic equations
1.6 Lie algebra of operators
1.6.1 Commutator. Definition of a Lie algebra
1.6.2 Properties of commutator
1.6.3 Lie algebra of admitted operators
2 Lie algebras and local Lie groups
2.1 Lie algebra
2.1.1 Definition and examples
2.1.2 Subalgebra and ideal
2.1.3 Structure of finite-dimensionalLie algebras
2.2 Adjoint algebra
2.2.1 Inner derivation
2.2.2Adjoint algebra
2.2.3 Inner automorphisms of a Lie algebra.
2.3 Local Lie group
2.3.1 Coordinates in a group
2.3.2 Subgroups
2.3.3 Canonical coordinates of the first kind
2.3.4 First fundamental theorem of Lie
2.3.5 Second fundamental theorem of Lie
2.3.6 Properties ofcanonicalcoordinate systems of the firstkind
2.3.7 Third fundamental theorem of Lie
2.3.8 Lie algebra of a local Lie group
2.4 Subgroup, normal subgroup and factor group
2.4.1 Lemma on commutator
2.4.2 Subgroup
2.4.2 Subgroup
2.4.3 Normal subgroup
2.4.4 Factor grop
2.5 Inner automorphisms of a group and of its Lie algebra
2.5.1 Inner automorphism.
2.5.2 Lie algebra of GA and adjoint algebra of Lr
2.6 Local Lie group of transformations
2.6.1 Introduction
2.6.2 Lie's first theorem.
2.6.3 Lie's second theorem
2.6.4 Canonical coordinates of the second kind
3 Group invariant solutions of differential equations
3.1 Invariants of the group GNr
3.1.1 Invariance criterion
3.1.2 Functional independence
3.1.3 Linearly unconnected operators
3.1.4 Integration of jacobian systems
3.1.5 Computation ofinvariance
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