definition 5.15 Basis
open in the book ·
parts/02-mathematical-methods/03-linear-algebra-representations.tex:833
· p. 106
- ground object -- no derivation owed
Rests on
-
depends_on
definition 5.12
Subspace generated by a set of vectors
¶
-
depends_on
definition 5.5
Linear combination
¶
-
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 4.32 Field ¶
- depends_on definition 4.31 Module ¶
-
depends_on
definition 4.8
Commutativity; abelian structure
¶
-
depends_on
definition 4.33
Vector space
¶
-
depends_on
definition 5.7
Vector subspace
¶
- depends_on definition 5.5 Linear combination ¶ ↺
- proves proof ch:03-linear-algebra-representations@proof-3 ¶
-
depends_on
definition 5.5
Linear combination
¶
-
depends_on
definition 5.14
Linear independence
¶
- depends_on definition 5.5 Linear combination ¶ ↺
Supports
-
depends_on
corollary 9.25
Normal modes of a diagonalizable system
¶
-
depends_on
corollary 9.27
Linear stability
¶
-
depends_on
corollary 9.41
Hill's equation
¶
- depends_on proposition 9.43 The unmodulated line, and the feet of the tongues ¶
- depends_on proposition 9.31 Lyapunov's first method: asymptotic stability ¶
- depends_on proposition 9.29 The planar classification ¶
-
depends_on
theorem 9.39
Floquet
¶
- depends_on corollary 9.41 Hill's equation ¶ ↺
-
depends_on
corollary 9.41
Hill's equation
¶
- depends_on proposition 9.29 The planar classification ¶ ↺
-
depends_on
corollary 9.27
Linear stability
¶
-
depends_on
definition 7.97
Partial derivative; gradient
¶
-
depends_on
definition 7.98
Functions of class $C^{1}$
¶
-
depends_on
corollary 7.113
Inverse function theorem
¶
-
depends_on
definition A.503
The substitution property
¶
- depends_on lemma A.506 Locality ¶
- depends_on lemma A.504 Transitivity ¶
- depends_on lemma 7.116 Functions vanishing on a regular zero set ¶
-
depends_on
lemma A.510
Every diffeomorphism factorises locally
¶
- depends_on proposition A.511 The substitution property is universal ¶
- 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 example 7.130 The two Jacobians this treatise uses ¶
- depends_on lemma A.518 The excised ball ¶
- depends_on proposition A.519 The convolution exists ¶
- depends_on theorem 7.115 Constant rank ¶
-
depends_on
definition A.503
The substitution property
¶
-
depends_on
definition 7.119
Envelope of a family
¶
- depends_on proposition 7.120 The envelope touches every member it meets ¶
-
depends_on
definition 7.126
Line and surface integrals
¶
- depends_on corollary A.313 Stokes' theorem for an antisymmetric tensor field ¶
-
depends_on
definition 30.17
Traction
¶
- depends_on proposition 30.19 The stress tensor is symmetric ¶
- depends_on theorem 30.18 Cauchy: the stress tensor exists ¶
-
depends_on
definition 7.127
Simple regions
¶
-
depends_on
lemma A.512
The boundary strip is thin
¶
- depends_on theorem A.513 Change of variables ¶
- depends_on remark A.516 The hypotheses of the global form ¶
-
depends_on
theorem 7.133
Gauss
¶
- depends_on lemma A.708 The disturbance flux vanishes ¶
- depends_on lemma A.712 The force is a far-field integral ¶
- depends_on lemma A.117 Laplacian in orthogonal coordinates ¶
- depends_on lemma 44.10 Divergence theorem on $(M,g)$ ¶
- depends_on lemma 31.11 Transport theorem for a material volume ¶
- depends_on lemma 106.86 A shift of a divergent integral leaves a surface term ¶
- depends_on lemma 10.44 Green's identities ¶
- depends_on lemma 10.58 Darboux's equation for spherical means ¶
- depends_on proposition 23.54 The geometrical amplitude diverges ¶
- depends_on proposition 10.57 Energy in a backward cone ¶
- depends_on theorem 16.36 Euler–Lagrange equations for several independent variables ¶
- depends_on theorem 32.6 Evolution of phase volume ¶
- … 1 more
-
depends_on
theorem 7.131
Green
¶
- depends_on proposition 32.33 Bendixson's negative criterion ¶
- depends_on proposition 9.36 Bendixson–Dulac negative criterion ¶
- depends_on theorem 7.132 Stokes ¶
- depends_on theorem 8.12 Cauchy ¶
- depends_on theorem 13.41 Holonomy equals the enclosed curvature; local Gauss–Bonnet ¶
- depends_on theorem 10.96 Rankine–Hugoniot condition ¶
-
depends_on
lemma A.512
The boundary strip is thin
¶
-
depends_on
definition A.508
Primitive map
¶
- depends_on lemma A.510 Every diffeomorphism factorises locally ¶ ↺
-
depends_on
lemma A.509
Primitive maps have the substitution property
¶
- depends_on proposition A.511 The substitution property is universal ¶ ↺
-
depends_on
definition A.116
Orthogonal curvilinear coordinates; scale factors
¶
-
depends_on
definition A.125
Ellipsoidal coordinates
¶
- depends_on lemma A.126 Cartesian coordinates and scale factors ¶
-
depends_on
definition A.118
Simple separation of the Helmholtz equation
¶
- depends_on theorem A.120 Stäckel and Robertson conditions ¶
- depends_on lemma A.117 Laplacian in orthogonal coordinates ¶ ↺
-
depends_on
definition A.125
Ellipsoidal coordinates
¶
-
depends_on
definition A.298
Half-space; smoothness on it
¶
-
depends_on
definition A.299
Manifold with boundary
¶
- depends_on lemma A.300 The boundary is well defined, and is a manifold ¶
- depends_on lemma A.307 Partition of unity on a compact manifold ¶
-
depends_on
definition A.299
Manifold with boundary
¶
-
depends_on
definition 16.11
Admissible class; functional
¶
- depends_on definition 16.59 Weierstrass excess function ¶
-
depends_on
definition 16.12
The two norms; weak and strong neighbourhoods
¶
- depends_on definition 16.13 Weak and strong extrema ¶
-
depends_on
definition 16.15
Variation; the first variation
¶
- depends_on definition 16.83 One-parameter transformation group; variational symmetry ¶
- depends_on lemma 16.18 Fundamental lemma ¶
- depends_on proposition 16.16 Stationarity is necessary ¶
- depends_on theorem 16.43 Euler's rule for integral constraints ¶
- depends_on proposition 16.68 Weierstrass' counterexample ¶
-
depends_on
definition 10.1
Partial differential equation; order
¶
-
depends_on
definition A.102
Normal Cauchy problem of order $k$
¶
- depends_on definition A.103 First-order quasilinear system with zero data ¶
- depends_on lemma A.105 Formal reduction of a normal problem ¶
-
depends_on
definition 10.2
Linear, semilinear, quasilinear
¶
- depends_on definition A.103 First-order quasilinear system with zero data ¶ ↺
- depends_on definition 10.93 Scalar conservation law ¶
- depends_on definition 10.3 Principal part and principal symbol ¶
- depends_on lemma 10.28 The separation constant ¶
- depends_on proposition 28.44 Superposition ¶
- depends_on proposition 10.15 Method of characteristics, first order ¶
- depends_on proposition 10.43 Representation of the solution ¶
- depends_on theorem 10.22 Cauchy–Kovalevskaya ¶
- depends_on theorem 10.52 Duhamel's principle ¶
-
depends_on
definition 10.24
Well-posed problem
¶
- depends_on corollary A.152 Uniqueness ¶
- depends_on corollary 10.76 Uniqueness and stability for the Dirichlet problem ¶
- depends_on corollary 10.81 Uniqueness for the heat equation ¶
- depends_on definition 30.22 Boundary conditions of elastostatics ¶
- depends_on proposition 10.25 The backward heat problem is ill posed ¶
- depends_on theorem 44.45 Local existence and uniqueness; Choquet-Bruhat; imported ¶
-
depends_on
definition A.102
Normal Cauchy problem of order $k$
¶
-
depends_on
definition 10.66
Harmonic function
¶
-
depends_on
theorem A.135
Converse of the mean-value property
¶
- depends_on corollary A.146 Locally uniform limits of harmonic functions ¶
- depends_on corollary A.145 Harmonic functions are smooth ¶
- depends_on theorem A.491 Dirichlet problem for the disc; quoted ¶
-
depends_on
theorem 10.69
Mean-value property
¶
- depends_on corollary A.145 Harmonic functions are smooth ¶ ↺
- depends_on theorem A.135 Converse of the mean-value property ¶ ↺
- depends_on theorem 10.77 Strong maximum principle for harmonic functions ¶
-
depends_on
theorem 10.75
Weak maximum principle
¶
- depends_on corollary 10.76 Uniqueness and stability for the Dirichlet problem ¶ ↺
- depends_on theorem A.525 Helmholtz decomposition: uniqueness ¶
- depends_on theorem 10.80 Parabolic maximum principle ¶
-
depends_on
theorem A.135
Converse of the mean-value property
¶
-
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
lemma A.520
A $C^{1}$ limit
¶
-
depends_on
proposition A.521
Every derivative passes onto $g$
¶
- depends_on proposition A.524 Rate of decay ¶
- depends_on proposition A.522 The Newtonian potential inverts the Laplacian ¶
-
depends_on
proposition A.521
Every derivative passes onto $g$
¶
- … 8 more
-
depends_on
corollary 7.113
Inverse function theorem
¶
-
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 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 remark 7.103 rem:ana-differential-scalar ¶
-
depends_on
proposition 7.104
Chain rule in several variables
¶
- depends_on definition 7.119 Envelope of a family ¶ ↺
-
depends_on
definition A.70
Pullback
¶
-
depends_on
definition 24.17
Symplectomorphism
¶
-
depends_on
definition 25.6
Infinitesimal canonical transformation
¶
- depends_on definition 25.11 Generators of the Galilei transformations ¶
-
depends_on
definition 24.28
Ball and cylinder
¶
- depends_on definition 24.33 Symplectic capacity ¶
- depends_on example 24.29 A volume-preserving squeeze ¶
- depends_on proposition 24.30 Linear non-squeezing ¶
- depends_on theorem 24.31 Gromov's non-squeezing theorem ¶
-
depends_on
definition 24.43
Momentum map
¶
- depends_on definition A.561 Coadjoint action and equivariance ¶
- depends_on example 24.44 Linear and angular momentum ¶
- depends_on lemma 24.46 The level set of the momentum map is the symplectic orthogonal of the orbit ¶
- depends_on theorem 24.45 Noether, symplectic form ¶
-
depends_on
theorem 24.18
Symplectic form of the transformation condition
¶
- depends_on corollary 24.19 Canonical transformations preserve phase volume ¶
-
depends_on
definition 25.6
Infinitesimal canonical transformation
¶
-
depends_on
lemma A.75
Differentiating a pullback along a flow
¶
- depends_on lemma A.77 Poincaré lemma, converse form ¶
- depends_on lemma A.71 The pullback is an algebra map commuting with $\dd$ ¶
-
depends_on
definition 24.17
Symplectomorphism
¶
-
depends_on
definition 32.19
Lyapunov function
¶
-
depends_on
theorem 32.20
Lyapunov's direct method
¶
- depends_on example 32.21 The damped pendulum ¶
-
depends_on
theorem 32.20
Lyapunov's direct method
¶
-
depends_on
definition 30.2
Representative volume element; continuum field
¶
- depends_on definition 30.4 Material and spatial descriptions ¶ ↺
- depends_on definition 30.17 Traction ¶ ↺
- depends_on example 30.3 How small a piece of copper is still a continuum ¶
- depends_on remark 30.5 Where the hypothesis fails, and how one can tell ¶
-
depends_on
definition 22.29
Poisson bracket
¶
-
depends_on
definition 26.20
Dirac bracket
¶
-
depends_on
definition 26.23
Gauge conditions
¶
- depends_on proposition 26.24 The Faddeev–Popov determinant ¶
- depends_on example 26.22 Holonomic constraints ¶
- depends_on theorem A.617 Jacobi identity for the Dirac bracket ¶
-
depends_on
theorem 26.21
Properties of the Dirac bracket
¶
- depends_on postulate 26.47 Dirac quantization ¶
-
depends_on
definition 26.23
Gauge conditions
¶
-
depends_on
definition 26.12
First and second class
¶
-
depends_on
proposition 26.13
The first-class functions close
¶
- depends_on proposition 26.43 The hypersurface-deformation algebra ¶
- depends_on proposition 26.37 Constraint structure of Yang–Mills theory ¶
-
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 26.34
Proca constraints are second class
¶
- depends_on proposition 113.3 Degrees of freedom before and after ¶
-
depends_on
proposition 26.13
The first-class functions close
¶
-
depends_on
definition 26.8
Total Hamiltonian
¶
- depends_on definition 26.16 Extended Hamiltonian ¶
- depends_on theorem 26.21 Properties of the Dirac bracket ¶ ↺
-
depends_on
theorem 26.14
First-class constraints generate gauge transformations
¶
- depends_on definition 26.16 Extended Hamiltonian ¶ ↺
- depends_on postulate 26.47 Dirac quantization ¶ ↺
- depends_on theorem 26.17 Counting the physical degrees of freedom ¶ ↺
- depends_on definition 25.11 Generators of the Galilei transformations ¶ ↺
- depends_on definition 25.6 Infinitesimal canonical transformation ¶ ↺
- depends_on definition 25.2 Poisson algebra ¶
-
depends_on
definition 24.36
Poisson manifold
¶
- depends_on definition 25.2 Poisson algebra ¶ ↺
-
depends_on
definition 24.37
Casimir function
¶
- depends_on proposition 24.41 The free rigid body is a Lie–Poisson system ¶
- depends_on remark 29.27 Euler's equations as a Lie–Poisson system ¶
- depends_on theorem 24.38 Symplectic foliation, quoted ¶
-
depends_on
definition 24.40
Lie–Poisson bracket
¶
- depends_on proposition 24.41 The free rigid body is a Lie–Poisson system ¶ ↺
- depends_on remark 29.27 Euler's equations as a Lie–Poisson system ¶ ↺
- depends_on theorem 24.38 Symplectic foliation, quoted ¶ ↺
-
depends_on
notation 26.28
Field systems
¶
-
depends_on
definition 26.40
The $3+1$ decomposition
¶
- depends_on lemma A.623 The adapted frame of the $3+1$ split ¶
- depends_on proposition 26.41 The ADM form of the Einstein–Hilbert Lagrangian ¶
-
depends_on
notation A.636
Densities and smearing
¶
- depends_on lemma A.637 Closed form of $H_{\parallel}$, and what it generates ¶
-
depends_on
notation 26.36
Gauge fields and their SI dimensions
¶
- depends_on proposition 26.37 Constraint structure of Yang–Mills theory ¶ ↺
-
depends_on
definition 26.40
The $3+1$ decomposition
¶
-
depends_on
notation 26.1
Weak and strong equality
¶
- depends_on notation 26.28 Field systems ¶ ↺
-
depends_on
proposition 24.15
Poisson bracket from the symplectic form
¶
- depends_on definition 24.37 Casimir function ¶ ↺
- depends_on theorem 24.45 Noether, symplectic form ¶ ↺
-
depends_on
definition 26.20
Dirac bracket
¶
-
depends_on
lemma A.73
Differentiation under the integral sign
¶
- depends_on lemma A.77 Poincaré lemma, converse form ¶ ↺
-
depends_on
definition 7.98
Functions of class $C^{1}$
¶
- depends_on definition 5.17 Components of a vector ¶
-
depends_on
definition 5.16
Dimension
¶
- depends_on definition 5.142 Dimension of a representation ¶
- depends_on proposition 5.54 prop:lin-same-dim-isomorphic ¶
- depends_on definition 5.60 Functional specified on a basis ¶
-
depends_on
definition 5.26
Orthogonal basis
¶
-
depends_on
definition 5.27
Orthonormal basis
¶
-
depends_on
definition 12.26
Orthonormal system; Fourier coefficients
¶
-
depends_on
definition 12.29
Orthonormal basis
¶
- depends_on definition 12.86 Internal orthogonal decomposition ¶
-
depends_on
proposition 12.27
Best approximation and Bessel's inequality
¶
- depends_on theorem 12.30 Completeness, expansion, Parseval ¶
-
depends_on
proposition 12.28
Convergence criterion for orthogonal series
¶
- depends_on theorem 12.30 Completeness, expansion, Parseval ¶ ↺
-
depends_on
definition 12.29
Orthonormal basis
¶
-
depends_on
definition 5.32
Levi–Civita symbol; cross product
¶
-
depends_on
definition 5.131
Isotropic Cartesian tensor
¶
- depends_on definition A.672 The octahedral rotation group ¶
- depends_on lemma 5.132 Parity constraint ¶
-
depends_on
lemma 5.34
Contraction of two Levi–Civita symbols
¶
- depends_on proposition 5.35 The identities of the vector algebra of $\R^{3}$ ¶
-
depends_on
lemma 5.33
Determinant through the Levi–Civita symbol
¶
- depends_on proposition 5.35 The identities of the vector algebra of $\R^{3}$ ¶ ↺
- depends_on theorem 5.133 Isotropic Cartesian tensors of rank at most four ¶
-
depends_on
definition 5.131
Isotropic Cartesian tensor
¶
-
depends_on
proposition 12.23
Gram–Schmidt in a Hilbert space
¶
-
depends_on
corollary 12.24
Separable spaces have countable orthonormal families
¶
- depends_on theorem 12.33 Every separable Hilbert space is $\ell^{2}$ ¶
- depends_on example 12.25 Orthogonal polynomials ¶
-
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
corollary 12.24
Separable spaces have countable orthonormal families
¶
-
depends_on
proposition 5.28
Gram–Schmidt
¶
-
depends_on
corollary 5.29
Orthogonal decomposition
¶
- depends_on proposition 5.153 prop:rep-unitary-completely-reducible ¶
- depends_on theorem 5.43 The four fundamental subspaces ¶
- depends_on proposition 12.23 Gram–Schmidt in a Hilbert space ¶ ↺
-
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
proposition 5.155
Averaging trick
¶
- depends_on theorem 101.62 The mixing matrix is unitary ¶
-
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
theorem 5.84
Spectral theorem for a real symmetric operator
¶
- depends_on corollary 5.91 The operator norm of a real array ¶
- depends_on lemma A.610 Block positivity ¶
- depends_on lemma A.601 Several variables, complex symmetric matrix ¶
- depends_on lemma A.600 The real part of an inverse ¶
- depends_on proposition 5.90 Polar decomposition ¶
- depends_on proposition 5.94 Principal axes of a real quadratic form ¶
- 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 5.29
Orthogonal decomposition
¶
-
depends_on
definition 12.26
Orthonormal system; Fourier coefficients
¶
-
depends_on
definition 5.27
Orthonormal basis
¶
- depends_on example 5.9 The matrices of a given shape ¶
-
depends_on
lemma 5.38
Exchange and completion
¶
-
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 5.102
Dimensions add
¶
- depends_on proposition 5.104 Criterion for a direct sum ¶
- depends_on proposition 5.74 prop:lin-geometric-le-algebraic ¶
- depends_on proposition 5.105 Grassmann's formula ¶
-
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
proposition A.565
Freeness makes every value regular
¶
- depends_on lemma A.567 The differential of the momentum map along the orbit ¶
- depends_on proposition A.566 The isotropy group acts, and the quotient is smooth ¶
-
depends_on
theorem A.568
The radical is the isotropy orbit
¶
- depends_on proposition A.570 Existence and uniqueness of the reduced form ¶
-
depends_on
proposition A.565
Freeness makes every value regular
¶
-
depends_on
lemma 5.97
Fitting splitting
¶
-
depends_on
theorem 5.98
Primary decomposition
¶
- depends_on corollary 5.99 Semisimple and nilpotent parts ¶
-
depends_on
theorem 5.98
Primary decomposition
¶
-
depends_on
proposition 5.49
Injective, surjective, invertible
¶
- depends_on lemma 5.97 Fitting splitting ¶ ↺
- 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 corollary 5.72 Existence of an eigenvalue over $\C$ ¶
- depends_on proposition 32.17 Classification of planar fixed points ¶
- depends_on theorem 5.84 Spectral theorem for a real symmetric operator ¶ ↺
- depends_on theorem 9.26 Structure of the solutions ¶
- depends_on theorem 5.43 The four fundamental subspaces ¶ ↺
-
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 definition 30.79 Maxwell viscoelasticity ¶
- depends_on proposition 30.74 The maximum shear stress, and its indifference to pressure ¶
- depends_on remark 30.75 Two criteria, one uncited ¶
-
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 corollary 5.82 Spectral theorem for a normal operator ¶ ↺
- depends_on theorem 5.84 Spectral theorem for a real symmetric operator ¶ ↺
-
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 definition 29.35 The Lagrange top ¶
- depends_on definition 29.18 Classification of tops ¶
- depends_on phenomenon 29.31 The intermediate-axis instability ¶
- depends_on proposition 29.33 Dissipation drives a free body to its largest moment ¶
- depends_on proposition 29.17 Triangle inequalities ¶
- depends_on theorem 29.25 Euler's equations ¶
-
depends_on
definition 30.20
Pressure and deviatoric stress
¶
-
depends_on
proposition 5.61
Annihilator of a subspace
¶
-
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
corollary 22.24
Invariance of the phase-space volume
¶
- depends_on remark 22.25 This is Liouville's theorem ¶
- depends_on corollary 24.19 Canonical transformations preserve phase volume ¶ ↺
-
depends_on
proposition 24.5
Properties of the symplectic group
¶
- depends_on remark 24.6 Connectedness, and what it rests on ¶
- depends_on remark 24.7 Contrast with the orthogonal group ¶
-
depends_on
corollary 22.24
Invariance of the phase-space volume
¶
-
depends_on
theorem 5.138
A symplectic transformation has determinant $+1$
¶
- depends_on proposition 5.102 Dimensions add ¶ ↺
- depends_on proposition 5.105 Grassmann's formula ¶ ↺
-
depends_on
proposition 5.45
prop:lin-matrix-unique
¶
-
depends_on
proposition 5.125
prop:lin-matrix-algebra
¶
- depends_on corollary 5.168 cor:rep-adjoint-faithful ¶
-
depends_on
definition 5.162
Representation of an algebra
¶
-
depends_on
definition 5.163
Faithful, equivalent, invariant
¶
- depends_on corollary 5.168 cor:rep-adjoint-faithful ¶ ↺
- depends_on proposition 5.164 The kernel is an ideal ¶
-
depends_on
proposition 5.167
Adjoint representation
¶
- depends_on corollary 5.168 cor:rep-adjoint-faithful ¶ ↺
- depends_on proposition 5.164 The kernel is an ideal ¶ ↺
-
depends_on
definition 5.163
Faithful, equivalent, invariant
¶
-
depends_on
definition 9.21
Matrix exponential
¶
-
depends_on
proposition 9.22
The exponential and its derivative
¶
- depends_on theorem 9.23 Solution of a constant-coefficient system ¶
-
depends_on
proposition 9.22
The exponential and its derivative
¶
-
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 5.51 prop:lin-matrix-inverse ¶
- depends_on proposition 5.54 prop:lin-same-dim-isomorphic ¶ ↺
- depends_on proposition 5.167 Adjoint representation ¶ ↺
-
depends_on
proposition 5.125
prop:lin-matrix-algebra
¶
- … 2 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 |
→ | Subspace generated by a set of vectors | declared | parts/02-mathematical-methods/03-linear-algebra-representations.tex:840 |
depends_on |
→ | Linear independence | declared | parts/02-mathematical-methods/03-linear-algebra-representations.tex:840 |
depends_on |
← | Normal modes of a diagonalizable system | declared | parts/02-mathematical-methods/07-odes-sturm-liouville.tex:855 |
depends_on |
← | Partial derivative; gradient | declared | parts/02-mathematical-methods/05-real-analysis.tex:2915 |
depends_on |
← | Components of a vector | declared | parts/02-mathematical-methods/03-linear-algebra-representations.tex:873 |
depends_on |
← | Dimension | declared | parts/02-mathematical-methods/03-linear-algebra-representations.tex:856 |
depends_on |
← | Functional specified on a basis | declared | parts/02-mathematical-methods/03-linear-algebra-representations.tex:2602 |
depends_on |
← | Orthogonal basis | declared | parts/02-mathematical-methods/03-linear-algebra-representations.tex:1265 |
depends_on |
← | The matrices of a given shape | declared | parts/02-mathematical-methods/03-linear-algebra-representations.tex:691 |
depends_on |
← | Exchange and completion | declared | parts/02-mathematical-methods/03-linear-algebra-representations.tex:1750 |
depends_on |
← | The alternating top form is unique up to scale | declared | parts/02-mathematical-methods/03-linear-algebra-representations.tex:5985 |
depends_on |
← | Dimensions add | declared | parts/02-mathematical-methods/03-linear-algebra-representations.tex:4442 |
depends_on |
← | Grassmann's formula | declared | parts/02-mathematical-methods/03-linear-algebra-representations.tex:4531 |
depends_on |
← | prop:lin-matrix-unique | declared | parts/02-mathematical-methods/03-linear-algebra-representations.tex:2073 |
depends_on |
← | prop:lin-same-dim-isomorphic | declared | parts/02-mathematical-methods/03-linear-algebra-representations.tex:2412 |
depends_on |
← | Rank–nullity | declared | parts/02-mathematical-methods/03-linear-algebra-representations.tex:1829 |