definition 5.37 Linear transformation
open in the book ·
parts/02-mathematical-methods/03-linear-algebra-representations.tex:1702
· p. 116
- ground object -- no derivation owed
Rests on
-
depends_on
definition 4.33
Vector space
¶
-
depends_on
definition 4.8
Commutativity; abelian structure
¶
-
depends_on
definition 4.4
Internal binary operation; magma
¶
-
depends_on
definition 4.3
Algebraic structure
¶
- depends_on definition 4.2 Binary operation ¶
- depends_on definition 4.2 Binary operation ¶ ↺
-
depends_on
definition 4.3
Algebraic structure
¶
-
depends_on
definition 4.4
Internal binary operation; magma
¶
-
depends_on
definition 4.32
Field
¶
-
depends_on
definition 4.11
Inverse element
¶
-
depends_on
definition 4.9
Neutral element
¶
- depends_on definition 4.3 Algebraic structure ¶ ↺
-
depends_on
definition 4.9
Neutral element
¶
-
depends_on
definition 4.20
Monoid
¶
- depends_on definition 4.9 Neutral element ¶ ↺
-
depends_on
definition 4.18
Semigroup
¶
- depends_on definition 4.6 Associativity ¶
- depends_on definition 4.4 Internal binary operation; magma ¶ ↺
-
depends_on
definition 4.30
Ring
¶
- depends_on definition 4.8 Commutativity; abelian structure ¶ ↺
-
depends_on
definition 4.28
Distributivity
¶
- depends_on definition 4.3 Algebraic structure ¶ ↺
-
depends_on
definition 4.21
Group
¶
- depends_on definition 4.11 Inverse element ¶ ↺
- depends_on definition 4.20 Monoid ¶ ↺
- depends_on definition 4.18 Semigroup ¶ ↺
-
depends_on
definition 4.11
Inverse element
¶
-
depends_on
definition 4.31
Module
¶
-
depends_on
definition 4.29
Action
¶
- depends_on definition 4.9 Neutral element ¶ ↺
- depends_on definition 4.28 Distributivity ¶ ↺
- depends_on definition 4.21 Group ¶ ↺
- depends_on definition 4.30 Ring ¶ ↺
-
depends_on
definition 4.29
Action
¶
-
depends_on
definition 4.8
Commutativity; abelian structure
¶
Supports
-
depends_on
definition 7.99
Differentiability at a point
¶
-
depends_on
definition 7.102
Differential of a function
¶
-
depends_on
proposition 7.104
Chain rule in several variables
¶
-
depends_on
corollary 7.113
Inverse function theorem
¶
- depends_on definition A.503 The substitution property ¶
- depends_on lemma 7.116 Functions vanishing on a regular zero set ¶
- depends_on lemma A.510 Every diffeomorphism factorises locally ¶
- depends_on remark 7.114 Where the proof is, and why ¶
- depends_on theorem 7.129 Change of variables in a multiple integral ¶
- depends_on theorem 7.115 Constant rank ¶
- depends_on corollary 7.110 Variable limits of integration ¶
-
depends_on
corollary A.292
Inverse function theorem
¶
- depends_on lemma A.549 The action is transitive ¶
- depends_on lemma A.300 The boundary is well defined, and is a manifold ¶
- depends_on proposition A.535 Existence of a slice ¶
- depends_on proposition 22.32 Duality of the two brackets ¶
- depends_on proposition 22.3 Invertibility of the Legendre map ¶
- depends_on proposition 13.132 Simultaneous straightening of commuting fields ¶
- depends_on remark 22.19 Which form exists ¶
- depends_on theorem 13.63 Constant rank theorem ¶
- depends_on definition 30.4 Material and spatial descriptions ¶
-
depends_on
definition 31.4
Material derivative
¶
- depends_on definition 31.6 Streamline, pathline, streakline ¶
- depends_on lemma 31.11 Transport theorem for a material volume ¶
- depends_on definition 22.26 Lagrange bracket ¶
-
depends_on
definition 10.18
Complete integral; envelope
¶
- depends_on proposition 10.19 An envelope of solutions is a solution ¶
- depends_on lemma A.510 Every diffeomorphism factorises locally ¶ ↺
- depends_on lemma A.504 Transitivity ¶
-
depends_on
lemma A.306
The standard smooth bump
¶
- depends_on lemma A.307 Partition of unity on a compact manifold ¶
-
depends_on
proposition 7.136
Properties of conservative fields
¶
- depends_on example 31.15 The stream function of a plane flow ¶
- depends_on proposition 31.28 Potential flow reduces to Laplace's equation ¶
- depends_on theorem 16.63 Hilbert's invariant integral ¶
- depends_on theorem 30.15 Compatibility is sufficient on a simply connected body ¶
- depends_on proposition 7.120 The envelope touches every member it meets ¶
- … 9 more
-
depends_on
corollary 7.113
Inverse function theorem
¶
- depends_on remark 7.103 rem:ana-differential-scalar ¶
-
depends_on
proposition 7.104
Chain rule in several variables
¶
- depends_on lemma A.291 $h$ is differentiable, with the stated derivative ¶
- depends_on proposition 7.104 Chain rule in several variables ¶ ↺
-
depends_on
theorem 7.100
$C^{1}$ implies differentiable
¶
- depends_on lemma A.291 $h$ is differentiable, with the stated derivative ¶ ↺
- depends_on remark 7.101 Partial derivatives alone do not suffice ¶
-
depends_on
theorem 7.112
Implicit function theorem
¶
- depends_on corollary 7.113 Inverse function theorem ¶ ↺
- depends_on proposition 7.120 The envelope touches every member it meets ¶ ↺
-
depends_on
proposition 7.117
Lagrange multipliers in finitely many variables
¶
- depends_on remark 7.118 The multiplier rule and its functional counterpart ¶
- depends_on remark 7.114 Where the proof is, and why ¶ ↺
-
depends_on
theorem A.286
Implicit function theorem
¶
- depends_on corollary A.292 Inverse function theorem ¶ ↺
-
depends_on
corollary A.293
Solving one scalar equation for one coordinate
¶
- depends_on example A.294 The sphere, made explicit ¶
-
depends_on
lemma A.650
Flattening the constraints
¶
- depends_on lemma A.651 Acyclicity of $\delta$ ¶
- depends_on remark A.296 Both hypotheses are needed, and the conclusion is local ¶
- depends_on remark 23.3 What Part II owes this chapter ¶
-
depends_on
theorem 23.6
Jacobi
¶
- depends_on example 23.25 Central force in plane polar coordinates ¶
- depends_on example 23.22 Free particle ¶
- depends_on example 23.23 Uniform gravity, and the parabola ¶
- depends_on proposition 23.7 The principal function is the action ¶
- depends_on theorem 13.63 Constant rank theorem ¶ ↺
-
depends_on
theorem 13.62
Regular value theorem in codimension $k$
¶
- depends_on corollary 13.64 The image of a constant-rank map, locally ¶
- depends_on theorem 7.112 Implicit function theorem ¶ ↺
- depends_on theorem A.286 Implicit function theorem ¶ ↺
-
depends_on
definition 7.102
Differential of a function
¶
-
depends_on
definition 12.35
Bounded operator; operator norm
¶
-
depends_on
definition 12.45
Continuous linear functional; the dual
¶
-
depends_on
corollary 12.47
$\mathcal{H}$ is its own dual, antilinearly
¶
-
depends_on
definition 12.103
Gelfand triple
¶
- depends_on definition A.278 Countably Hilbert nuclear space ¶
- depends_on definition 12.105 Generalized eigenvector ¶
- depends_on example 12.104 The Schwartz triple ¶
- depends_on theorem A.279 Gelfand–Maurin ¶
- depends_on theorem 12.107 Nuclear spectral theorem ¶
-
depends_on
definition 12.103
Gelfand triple
¶
- depends_on definition 12.103 Gelfand triple ¶ ↺
-
depends_on
theorem 12.46
Riesz representation
¶
- depends_on corollary 12.47 $\mathcal{H}$ is its own dual, antilinearly ¶ ↺
- depends_on lemma A.247 Integration against a projection-valued measure ¶
-
depends_on
proposition A.246
Bounded Borel functional calculus
¶
- depends_on proposition A.262 Spectral theorem for an unbounded self-adjoint operator ¶
- depends_on proposition A.261 Spectral theorem for a unitary operator ¶
-
depends_on
proposition A.245
The measures $\mu_{x,y}$
¶
- depends_on lemma A.249 The cyclic case ¶
- depends_on proposition A.246 Bounded Borel functional calculus ¶ ↺
-
depends_on
theorem 12.38
Existence and uniqueness of the adjoint
¶
- depends_on definition 12.41 The operator classes ¶
- depends_on definition 12.71 Adjoint of a densely defined operator ¶
- depends_on proposition 12.39 Algebra of the adjoint; the $C^{\ast}$ identity ¶
-
depends_on
corollary 12.47
$\mathcal{H}$ is its own dual, antilinearly
¶
-
depends_on
definition 12.88
Reducing subspace
¶
-
depends_on
definition 12.90
Self-adjoint family; commutant; irreducibility
¶
-
depends_on
proposition A.589
Cyclic subspaces and the rank of the average
¶
- depends_on lemma A.590 The Gram matrix is universal ¶
- depends_on proposition A.591 Any two irreducible Weyl systems are equivalent ¶
- depends_on theorem A.579 Stone–von Neumann ¶
-
depends_on
theorem 12.91
Schur's lemma, commutant form
¶
- depends_on proposition A.591 Any two irreducible Weyl systems are equivalent ¶ ↺
- depends_on theorem 12.114 Stone–von Neumann ¶
- depends_on theorem 12.114 Stone–von Neumann ¶ ↺
-
depends_on
proposition A.589
Cyclic subspaces and the rank of the average
¶
-
depends_on
proposition 12.89
Reduction is commutation
¶
- depends_on proposition A.589 Cyclic subspaces and the rank of the average ¶ ↺
- depends_on theorem 12.91 Schur's lemma, commutant form ¶ ↺
-
depends_on
definition 12.90
Self-adjoint family; commutant; irreducibility
¶
-
depends_on
definition 12.49
Resolvent set; spectrum
¶
-
depends_on
definition 12.50
Point, continuous and residual spectrum
¶
- depends_on definition 12.105 Generalized eigenvector ¶ ↺
- depends_on example 12.56 Multiplication by the coordinate: spectrum without eigenvectors ¶
- depends_on proposition 12.51 The three cases are exclusive and exhaustive ¶
-
depends_on
lemma A.240
Spectral mapping for polynomials
¶
-
depends_on
proposition A.241
The polynomial calculus is isometric
¶
- depends_on proposition A.243 Continuous functional calculus ¶
-
depends_on
proposition A.241
The polynomial calculus is isometric
¶
-
depends_on
lemma A.239
The norm of a self-adjoint operator lies in its
spectrum
¶
- depends_on proposition A.241 The polynomial calculus is isometric ¶ ↺
-
depends_on
proposition 12.52
Neumann series; the spectrum is bounded
¶
- depends_on lemma A.239 The norm of a self-adjoint operator lies in its spectrum ¶ ↺
- depends_on proposition A.261 Spectral theorem for a unitary operator ¶ ↺
-
depends_on
proposition 12.53
The resolvent set is open, the resolvent analytic
¶
- depends_on theorem 12.54 The spectrum is compact and non-empty ¶
- depends_on theorem 12.54 The spectrum is compact and non-empty ¶ ↺
-
depends_on
definition 12.50
Point, continuous and residual spectrum
¶
-
depends_on
proposition 12.37
$\mathcal{B}(\mathcal{H})$ is a Banach algebra
¶
- depends_on lemma A.240 Spectral mapping for polynomials ¶ ↺
-
depends_on
proposition 12.65
Exponential of a bounded self-adjoint operator
¶
-
depends_on
theorem 12.66
Stone
¶
- depends_on corollary 12.112 Commutator of the momentum with a function of the position ¶
- depends_on definition 12.109 Weyl system ¶
- depends_on proposition 12.67 The generator is symmetric, and generates the motion ¶
- depends_on proposition 12.111 The Weyl relation is a covariance statement ¶
- depends_on theorem 25.34 Stone–von Neumann ¶
-
depends_on
theorem 12.66
Stone
¶
-
depends_on
proposition 12.61
Uniqueness of the continuous functional calculus
¶
- depends_on proposition A.243 Continuous functional calculus ¶ ↺
- depends_on proposition 12.39 Algebra of the adjoint; the $C^{\ast}$ identity ¶ ↺
- depends_on proposition 12.52 Neumann series; the spectrum is bounded ¶ ↺
- depends_on theorem 12.38 Existence and uniqueness of the adjoint ¶ ↺
-
depends_on
theorem 12.75
The canonical commutation relation admits no bounded
solution
¶
- depends_on corollary 12.76 Position and momentum are unbounded, and cannot be everywhere defined ¶
- depends_on corollary 25.30 The relation cannot be realized by matrices ¶
- depends_on definition 12.109 Weyl system ¶ ↺
-
depends_on
proposition 12.36
Boundedness is continuity
¶
-
depends_on
theorem 12.74
Hellinger–Toeplitz
¶
- depends_on corollary 12.76 Position and momentum are unbounded, and cannot be everywhere defined ¶ ↺
-
depends_on
theorem 12.74
Hellinger–Toeplitz
¶
- depends_on theorem 12.75 The canonical commutation relation admits no bounded solution ¶ ↺
-
depends_on
definition 12.45
Continuous linear functional; the dual
¶
-
depends_on
definition 12.69
Operator with a domain
¶
-
depends_on
definition 12.70
Graph; closed and closable operators
¶
-
depends_on
proposition 12.73
The adjoint is always closed
¶
-
depends_on
definition 12.78
Essential self-adjointness
¶
- depends_on theorem A.266 von Neumann ¶
- depends_on theorem 12.80 von Neumann's criterion ¶
-
depends_on
lemma A.260
Cayley transform of a self-adjoint operator
¶
- depends_on proposition A.262 Spectral theorem for an unbounded self-adjoint operator ¶ ↺
-
depends_on
definition 12.78
Essential self-adjointness
¶
-
depends_on
proposition 12.73
The adjoint is always closed
¶
-
depends_on
definition 12.72
Symmetric; self-adjoint
¶
- depends_on definition 12.78 Essential self-adjointness ¶ ↺
- depends_on lemma A.260 Cayley transform of a self-adjoint operator ¶ ↺
-
depends_on
lemma A.267
Isometry of $A\pm\ii\mu$, and closed range
¶
-
depends_on
definition A.269
Cayley transform
¶
- depends_on proposition A.270 Properties of the transform ¶
- depends_on lemma A.268 The indices do not depend on $\mu$ ¶
- depends_on proposition A.270 Properties of the transform ¶ ↺
- depends_on proposition A.273 Self-adjoint means unitary ¶
-
depends_on
definition A.269
Cayley transform
¶
-
depends_on
lemma A.271
Injectivity of $\identity-V$ for any isometric
extension
¶
- depends_on lemma A.272 The operator attached to an isometry ¶
- depends_on lemma A.272 The operator attached to an isometry ¶ ↺
- depends_on proposition A.273 Self-adjoint means unitary ¶ ↺
- depends_on theorem A.266 von Neumann ¶ ↺
- depends_on theorem 12.74 Hellinger–Toeplitz ¶ ↺
- depends_on theorem 12.80 von Neumann's criterion ¶ ↺
- depends_on definition 12.71 Adjoint of a densely defined operator ¶ ↺
-
depends_on
definition 12.70
Graph; closed and closable operators
¶
-
depends_on
definition 5.41
Adjoint
¶
-
depends_on
proposition 5.42
The adjoint exists, is unique, and is linear
¶
- depends_on corollary 5.82 Spectral theorem for a normal operator ¶
- depends_on theorem 12.38 Existence and uniqueness of the adjoint ¶ ↺
- depends_on theorem 5.43 The four fundamental subspaces ¶
-
depends_on
theorem 5.80
Simultaneous diagonalization of commuting self-adjoint
operators
¶
- depends_on corollary 5.82 Spectral theorem for a normal operator ¶ ↺
-
depends_on
theorem 5.79
Spectral theorem for a self-adjoint operator
¶
-
depends_on
definition 30.20
Pressure and deviatoric stress
¶
-
depends_on
definition 30.31
The engineering moduli
¶
- depends_on phenomenon 30.70 Hertzian contact ¶
- depends_on phenomenon 30.60 Coulomb's law of torsion ¶
- depends_on proposition 30.33 Conversion among the moduli ¶
- depends_on proposition 30.51 Moment and curvature ¶
- depends_on remark A.676 The third cubic constant is measured, and it is not small ¶
- depends_on theorem A.695 Boussinesq's point-force solution, quoted ¶
-
depends_on
definition 30.79
Maxwell viscoelasticity
¶
- depends_on proposition 30.80 A Maxwell material is a solid or a fluid depending on how long you watch ¶
-
depends_on
proposition 30.74
The maximum shear stress, and its indifference to
pressure
¶
- depends_on phenomenon 30.73 Yield and brittle fracture ¶
- depends_on remark A.705 The dangerous stress is below the surface ¶
- depends_on remark 30.75 Two criteria, one uncited ¶
- depends_on remark 30.75 Two criteria, one uncited ¶ ↺
-
depends_on
definition 30.31
The engineering moduli
¶
-
depends_on
proposition 30.9
Principal strains
¶
- depends_on example 30.10 Simple shear and pure shear are the same strain ¶
- depends_on theorem 5.80 Simultaneous diagonalization of commuting self-adjoint operators ¶ ↺
-
depends_on
theorem 5.84
Spectral theorem for a real symmetric operator
¶
-
depends_on
corollary 5.91
The operator norm of a real array
¶
- depends_on proposition 5.92 The eigenvalues do not control the norm ¶
-
depends_on
lemma A.610
Block positivity
¶
- depends_on proposition A.611 The constraint on $\Gamma$ ¶
-
depends_on
lemma A.601
Several variables, complex symmetric matrix
¶
- depends_on proposition A.612 The dictionary between $A$ and $\Gamma$ ¶
- depends_on proposition A.602 The Wigner function of a Gaussian is a positive Gaussian ¶
-
depends_on
lemma A.600
The real part of an inverse
¶
- depends_on lemma A.601 Several variables, complex symmetric matrix ¶ ↺
- depends_on proposition A.612 The dictionary between $A$ and $\Gamma$ ¶ ↺
- depends_on proposition 5.90 Polar decomposition ¶
-
depends_on
proposition 5.94
Principal axes of a real quadratic form
¶
- depends_on proposition 5.95 The focal polar equation of a conic ¶
- depends_on proposition 5.92 The eigenvalues do not control the norm ¶ ↺
-
depends_on
theorem 5.86
Simultaneous diagonalization of a definite pencil
¶
- depends_on corollary 5.89 Rayleigh–Ritz ¶
- depends_on proposition 5.88 Rayleigh quotient of a definite pencil ¶
-
depends_on
corollary 5.91
The operator norm of a real array
¶
-
depends_on
theorem 28.33
Normal modes
¶
- depends_on example 28.39 The linear triatomic molecule ¶
- depends_on proposition 28.40 Modes and dispersion of the loaded string ¶
- depends_on remark 28.34 Part II owes the simultaneous diagonalization of two quadratic forms ¶
-
depends_on
theorem 29.16
Principal axes
¶
-
depends_on
definition 29.19
Inertia ellipsoid
¶
- depends_on theorem 29.29 Poinsot's construction ¶
- depends_on definition 29.35 The Lagrange top ¶
-
depends_on
definition 29.18
Classification of tops
¶
- depends_on proposition 29.28 Free rotation of a symmetric body ¶
-
depends_on
phenomenon 29.31
The intermediate-axis instability
¶
- depends_on remark 29.32 What the linearization is entitled to conclude ¶
- depends_on proposition 29.33 Dissipation drives a free body to its largest moment ¶
-
depends_on
proposition 29.17
Triangle inequalities
¶
- depends_on proposition 29.22 Perpendicular-axis theorem ¶
-
depends_on
theorem 29.25
Euler's equations
¶
- depends_on phenomenon 29.46 A fast spinning top does not fall ¶
- depends_on phenomenon 29.31 The intermediate-axis instability ¶ ↺
- depends_on proposition 29.26 The two integrals of torque-free motion ¶
- depends_on proposition 29.28 Free rotation of a symmetric body ¶ ↺
- depends_on proposition 24.41 The free rigid body is a Lie–Poisson system ¶
-
depends_on
definition 29.19
Inertia ellipsoid
¶
-
depends_on
definition 30.20
Pressure and deviatoric stress
¶
-
depends_on
proposition 5.42
The adjoint exists, is unique, and is linear
¶
-
depends_on
definition 5.110
Bilinear map
¶
-
depends_on
definition 12.94
Tensor product of Hilbert spaces
¶
-
depends_on
definition 12.99
Product and entangled vectors
¶
- depends_on example 12.100 Entangled vectors exist ¶
- depends_on example 12.98 Two particles in three-dimensional space ¶
-
depends_on
proposition 12.95
The tensor inner product is well defined and
positive definite
¶
- depends_on example 12.100 Entangled vectors exist ¶ ↺
- depends_on proposition 12.96 Operators on a tensor product ¶
-
depends_on
definition 12.99
Product and entangled vectors
¶
-
depends_on
definition 5.113
Non-degenerate form
¶
-
depends_on
definition 5.117
Signature
¶
- depends_on proposition 5.94 Principal axes of a real quadratic form ¶ ↺
-
depends_on
definition 5.135
The symplectic group
¶
- depends_on definition 22.40 Symplectic matrix ¶
-
depends_on
definition 24.4
Symplectic group
¶
- depends_on proposition 24.5 Properties of the symplectic group ¶
- depends_on proposition 24.30 Linear non-squeezing ¶
-
depends_on
lemma 22.20
The symplectic condition
¶
- depends_on corollary 22.24 Invariance of the phase-space volume ¶
- depends_on proposition 22.27 Properties of the Lagrange bracket ¶
- depends_on proposition 22.30 Properties of the Poisson bracket ¶
- depends_on remark 22.33 What the duality is good for ¶
- depends_on remark 22.28 Where the content of the fundamental brackets lies ¶
- depends_on theorem 22.22 Poincaré ¶
-
depends_on
proposition 5.139
Dimension of the symplectic group
¶
- depends_on proposition 24.5 Properties of the symplectic group ¶ ↺
- depends_on remark 22.21 The count ¶
- depends_on proposition 5.136 $\Sp(2n,\R)$ is a subgroup of $\GL(2n,\R)$ ¶
-
depends_on
theorem 5.138
A symplectic transformation has determinant $+1$
¶
- depends_on corollary 22.24 Invariance of the phase-space volume ¶ ↺
- depends_on corollary 24.19 Canonical transformations preserve phase volume ¶
- depends_on proposition 24.5 Properties of the symplectic group ¶ ↺
- depends_on proposition 5.114 prop:lin-bilinear-dual ¶
-
depends_on
proposition 5.119
Normal form of a non-degenerate antisymmetric form
¶
- depends_on definition 5.135 The symplectic group ¶ ↺
-
depends_on
definition 24.2
Symplectic vector space
¶
- depends_on definition 24.8 Symplectic manifold ¶
- depends_on lemma A.564 Dimension and double orthogonal ¶
- depends_on proposition 24.3 Even dimension and the canonical basis ¶
-
depends_on
proposition 26.19
Second-class constraints come in pairs
¶
- depends_on definition 26.20 Dirac bracket ¶
- depends_on proposition 26.24 The Faddeev–Popov determinant ¶
- depends_on proposition 26.25 The Liouville measure of a second-class surface ¶
- depends_on theorem 26.17 Counting the physical degrees of freedom ¶
- depends_on theorem 26.21 Properties of the Dirac bracket ¶
- depends_on proposition 24.3 Even dimension and the canonical basis ¶ ↺
-
depends_on
theorem A.68
Darboux
¶
- depends_on corollary A.69 No local invariants ¶
- depends_on example A.80 The phase space of one particle in space ¶
- depends_on theorem 24.12 Darboux ¶
- depends_on theorem 5.138 A symplectic transformation has determinant $+1$ ¶ ↺
-
depends_on
definition 5.117
Signature
¶
-
depends_on
definition 5.111
Symmetric and antisymmetric forms
¶
- depends_on definition 28.32 The two quadratic forms ¶
- depends_on proposition 5.112 Symmetric–antisymmetric splitting ¶
- depends_on proposition 5.119 Normal form of a non-degenerate antisymmetric form ¶ ↺
-
depends_on
theorem 5.116
Sylvester's law of inertia
¶
- depends_on definition 5.117 Signature ¶ ↺
-
depends_on
definition 10.6
Type of a second-order operator
¶
- depends_on definition 10.79 Parabolic boundary ¶
- depends_on example 10.9 ex:pde-three-types ¶
- depends_on proposition 10.25 The backward heat problem is ill posed ¶
- depends_on theorem A.83 Local canonical form for an elliptic operator with Hölder coefficients ¶
- depends_on theorem 10.8 The type is a coordinate invariant ¶
-
depends_on
proposition 30.30
Stability bounds
¶
- depends_on phenomenon 30.43 Two bulk wave speeds ¶
- depends_on phenomenon 30.32 Poisson contraction ¶
- depends_on proposition 30.34 Minimum of the potential energy ¶
- depends_on theorem 30.42 Uniqueness in elastodynamics ¶
- depends_on proposition 5.94 Principal axes of a real quadratic form ¶ ↺
- depends_on remark 7.107 What the Hessian is for ¶
- depends_on theorem 5.86 Simultaneous diagonalization of a definite pencil ¶ ↺
- depends_on theorem 28.33 Normal modes ¶ ↺
- depends_on theorem 10.8 The type is a coordinate invariant ¶ ↺
-
depends_on
lemma 5.137
The alternating top form is unique up to scale
¶
- depends_on theorem 5.138 A symplectic transformation has determinant $+1$ ¶ ↺
- depends_on proposition 5.114 prop:lin-bilinear-dual ¶ ↺
- depends_on proposition 5.112 Symmetric–antisymmetric splitting ¶ ↺
- depends_on proposition 5.119 Normal form of a non-degenerate antisymmetric form ¶ ↺
- depends_on theorem 5.116 Sylvester's law of inertia ¶ ↺
-
depends_on
definition 12.94
Tensor product of Hilbert spaces
¶
-
depends_on
definition 5.128
Derivation
¶
-
depends_on
remark 22.31
The bracket is a Lie algebra structure
¶
- depends_on remark 22.39 Poisson's theorem does not manufacture new constants ¶
-
depends_on
remark 22.31
The bracket is a Lie algebra structure
¶
-
depends_on
definition 5.56
Endomorphism
¶
- depends_on definition 5.57 Automorphism ¶
-
depends_on
definition 5.70
Characteristic polynomial
¶
-
depends_on
definition 5.73
Algebraic and geometric multiplicity
¶
- depends_on proposition 5.74 prop:lin-geometric-le-algebraic ¶
-
depends_on
theorem 5.71
The eigenvalues are the roots of the characteristic
polynomial
¶
-
depends_on
corollary 5.72
Existence of an eigenvalue over $\C$
¶
- depends_on theorem 5.98 Primary decomposition ¶
- depends_on theorem 5.79 Spectral theorem for a self-adjoint operator ¶ ↺
-
depends_on
proposition 32.17
Classification of planar fixed points
¶
- depends_on example 32.18 A linear centre that is really a stable focus ¶
- depends_on theorem 32.25 Hopf bifurcation, quoted ¶
- depends_on theorem 5.84 Spectral theorem for a real symmetric operator ¶ ↺
-
depends_on
theorem 9.26
Structure of the solutions
¶
- depends_on corollary 9.27 Linear stability ¶
-
depends_on
corollary 5.72
Existence of an eigenvalue over $\C$
¶
-
depends_on
definition 5.73
Algebraic and geometric multiplicity
¶
-
depends_on
definition 5.76
Diagonalizable operator
¶
- depends_on corollary 5.99 Semisimple and nilpotent parts ¶
-
depends_on
theorem 5.77
Criterion for diagonalizability
¶
-
depends_on
proposition 32.39
Stability of a periodic orbit
¶
- depends_on phenomenon 32.87 Universal period doubling ¶
- depends_on proposition 32.84 Fixed points and the first period doubling ¶
-
depends_on
theorem 32.13
Linear stability
¶
- depends_on proposition 32.65 Fixed points of the Lorenz system and their stability ¶
- depends_on proposition 32.23 Saddle-node bifurcation ¶
- depends_on proposition 32.24 Transcritical and pitchfork bifurcations ¶
- depends_on proposition 28.69 Which branch is stable, and where it ends ¶
-
depends_on
proposition 32.39
Stability of a periodic orbit
¶
-
depends_on
definition 5.69
Eigenvector, eigenvalue, eigenspace
¶
-
depends_on
corollary 9.25
Normal modes of a diagonalizable system
¶
- depends_on corollary 9.27 Linear stability ¶ ↺
- depends_on proposition 9.29 The planar classification ¶
- depends_on definition 5.73 Algebraic and geometric multiplicity ¶ ↺
-
depends_on
definition 9.30
Hyperbolic equilibrium
¶
-
depends_on
theorem 9.32
Hartman–Grobman; quoted
¶
- depends_on theorem 32.15 Hartman–Grobman, restated from Part II ¶
-
depends_on
theorem 9.32
Hartman–Grobman; quoted
¶
-
depends_on
proposition 5.75
Eigenvectors for distinct eigenvalues are
independent
¶
- depends_on theorem 5.77 Criterion for diagonalizability ¶ ↺
- depends_on theorem 5.77 Criterion for diagonalizability ¶ ↺
- depends_on theorem 5.71 The eigenvalues are the roots of the characteristic polynomial ¶ ↺
-
depends_on
corollary 9.25
Normal modes of a diagonalizable system
¶
-
depends_on
definition 5.46
Functional
¶
- depends_on definition 12.45 Continuous linear functional; the dual ¶ ↺
-
depends_on
definition 5.59
Dual space
¶
-
depends_on
definition 5.66
Pushforward
¶
- depends_on proposition 5.67 Adjointness of pullback and pushforward ¶
-
depends_on
proposition 5.61
Annihilator of a subspace
¶
- depends_on corollary 5.62 A functional that annihilates a set of constraints ¶
- depends_on proposition 5.114 prop:lin-bilinear-dual ¶ ↺
- depends_on proposition 5.63 prop:lin-dual-inner-product ¶
- depends_on proposition 5.67 Adjointness of pullback and pushforward ¶ ↺
-
depends_on
definition 5.66
Pushforward
¶
- depends_on definition 5.60 Functional specified on a basis ¶
-
depends_on
definition 5.47
Inverse of a linear transformation
¶
- depends_on definition 12.49 Resolvent set; spectrum ¶ ↺
-
depends_on
proposition 5.48
Existence, uniqueness, and linearity of the inverse
¶
-
depends_on
proposition 5.49
Injective, surjective, invertible
¶
-
depends_on
lemma 5.97
Fitting splitting
¶
- depends_on theorem 5.98 Primary decomposition ¶ ↺
- depends_on proposition 5.31 Gram criterion ¶
-
depends_on
proposition 5.2
Jacobi's formula, column form
¶
- depends_on lemma 44.10 Divergence theorem on $(M,g)$ ¶
- depends_on lemma 44.7 Variation of inverse and determinant ¶
- depends_on proposition 7.111 Jacobi's formula, cofactor form ¶
- depends_on proposition 5.90 Polar decomposition ¶ ↺
-
depends_on
proposition 5.130
An orthogonal transformation is an isometry
¶
- depends_on theorem 5.133 Isotropic Cartesian tensors of rank at most four ¶
- depends_on theorem 5.71 The eigenvalues are the roots of the characteristic polynomial ¶ ↺
-
depends_on
lemma 5.97
Fitting splitting
¶
- depends_on proposition 5.51 prop:lin-matrix-inverse ¶
- depends_on proposition 5.136 $\Sp(2n,\R)$ is a subgroup of $\GL(2n,\R)$ ¶ ↺
-
depends_on
proposition 5.49
Injective, surjective, invertible
¶
-
depends_on
definition 5.53
Isomorphism
¶
- depends_on definition 5.57 Automorphism ¶ ↺
- depends_on proposition 5.104 Criterion for a direct sum ¶
- depends_on proposition 5.54 prop:lin-same-dim-isomorphic ¶
-
depends_on
theorem 5.160
Schur's second lemma
¶
-
depends_on
lemma 25.39
The low-degree images are forced
¶
- depends_on example 25.45 Weyl ordering collapses ¶
-
depends_on
theorem 25.38
Groenewold–van Hove
¶
-
depends_on
corollary 25.41
Quantization is not a functor
¶
- depends_on definition 25.42 Ordering rule ¶
- depends_on remark 24.57 The half-integer, and the honest status of the construction ¶
- depends_on remark 24.55 What polarization costs ¶
-
depends_on
corollary 25.41
Quantization is not a functor
¶
-
depends_on
lemma 25.39
The low-degree images are forced
¶
-
depends_on
definition 5.39
Kernel, image, nullity, rank
¶
- depends_on definition 5.69 Eigenvector, eigenvalue, eigenspace ¶ ↺
- depends_on lemma 5.97 Fitting splitting ¶ ↺
- depends_on proposition 5.49 Injective, surjective, invertible ¶ ↺
-
depends_on
theorem 5.40
Rank–nullity
¶
- depends_on corollary 5.62 A functional that annihilates a set of constraints ¶ ↺
- depends_on lemma A.610 Block positivity ¶ ↺
- depends_on lemma A.600 The real part of an inverse ¶ ↺
- depends_on lemma A.564 Dimension and double orthogonal ¶ ↺
- depends_on lemma 5.97 Fitting splitting ¶ ↺
- depends_on proposition 5.49 Injective, surjective, invertible ¶ ↺
- depends_on theorem 5.43 The four fundamental subspaces ¶ ↺
- depends_on theorem 5.79 Spectral theorem for a self-adjoint operator ¶ ↺
- depends_on definition 5.66 Pushforward ¶ ↺
- … 6 more
Neighborhood
Every logical edge within two steps of this node.
- declared and complete
- partly declared
- a check failed
- not graded
- declared in the source
- inferred from structure
Edges
| type | direction | node | provenance | where |
|---|---|---|---|---|
depends_on |
→ | Vector space | declared | parts/02-mathematical-methods/03-linear-algebra-representations.tex:1712 |
depends_on |
← | Differentiability at a point | declared | parts/02-mathematical-methods/05-real-analysis.tex:2953 |
depends_on |
← | Bounded operator; operator norm | declared | parts/02-mathematical-methods/10-hilbert-spaces.tex:894 |
depends_on |
← | Operator with a domain | declared | parts/02-mathematical-methods/10-hilbert-spaces.tex:1944 |
depends_on |
← | Adjoint | declared | parts/02-mathematical-methods/03-linear-algebra-representations.tex:1875 |
depends_on |
← | Bilinear map | declared | parts/02-mathematical-methods/03-linear-algebra-representations.tex:4744 |
depends_on |
← | Derivation | declared | parts/02-mathematical-methods/03-linear-algebra-representations.tex:5529 |
depends_on |
← | Endomorphism | declared | parts/02-mathematical-methods/03-linear-algebra-representations.tex:2494 |
depends_on |
← | Functional | declared | parts/02-mathematical-methods/03-linear-algebra-representations.tex:2131 |
depends_on |
← | Inverse of a linear transformation | declared | parts/02-mathematical-methods/03-linear-algebra-representations.tex:2249 |
depends_on |
← | Isomorphism | declared | parts/02-mathematical-methods/03-linear-algebra-representations.tex:2406 |
depends_on |
← | Kernel, image, nullity, rank | declared | parts/02-mathematical-methods/03-linear-algebra-representations.tex:1808 |
depends_on |
← | Pushforward | declared | parts/02-mathematical-methods/03-linear-algebra-representations.tex:2979 |
depends_on |
← | A nilpotent map has nilpotent adjoint | declared | appendices/A-long-proofs.tex:16409 |
depends_on |
← | Existence, uniqueness, and linearity of the inverse | declared | parts/02-mathematical-methods/03-linear-algebra-representations.tex:2262 |
depends_on |
← | prop:lin-matrix-algebra | declared | parts/02-mathematical-methods/03-linear-algebra-representations.tex:5360 |
depends_on |
← | prop:lin-matrix-unique | declared | parts/02-mathematical-methods/03-linear-algebra-representations.tex:2073 |
depends_on |
← | Jordan decomposition | declared | appendices/A-long-proofs.tex:16332 |
depends_on |
← | Schur's first lemma | declared | parts/02-mathematical-methods/03-linear-algebra-representations.tex:7001 |