proposition A.673 Cubic tensors of rank four
open in the book ·
appendices/A-long-proofs.tex:32720
· p. 3120
Rests on
-
depends_on
definition A.672
The octahedral rotation group
¶
- depends_on definition 14.26 The rotation group ¶
-
depends_on
definition 5.131
Isotropic Cartesian tensor
¶
-
depends_on
definition 5.32
Levi–Civita symbol; cross product
¶
-
depends_on
definition 4.48
Symmetric group
¶
- depends_on definition 3.47 Bijective map ¶
-
depends_on
definition 5.18
Inner product
¶
- depends_on definition 4.33 Vector space ¶
-
depends_on
definition 5.27
Orthonormal basis
¶
- depends_on definition 5.26 Orthogonal basis ¶
- depends_on definition 5.25 Unit vector ¶
-
depends_on
definition 4.48
Symmetric group
¶
- depends_on equation 5.162 eq:rep-special-orthogonal ¶
-
depends_on
definition 5.32
Levi–Civita symbol; cross product
¶
-
depends_on
lemma A.671
The three products are independent
¶
- depends_on equation 5.168 eq:rep-isotropic-4 ¶
-
depends_on
theorem 5.133
Isotropic Cartesian tensors of rank at most four
¶
-
depends_on
lemma 5.33
Determinant through the Levi–Civita symbol
¶
- depends_on definition 5.32 Levi–Civita symbol; cross product ¶ ↺
- depends_on equation 5.19 eq:lin-leibniz-det ¶
- proves proof ch:03-linear-algebra-representations@proof-8 ¶
-
depends_on
lemma 5.132
Parity constraint
¶
- depends_on definition 5.131 Isotropic Cartesian tensor ¶ ↺
- depends_on equation 5.162 eq:rep-special-orthogonal ¶ ↺
- proves proof ch:03-linear-algebra-representations@proof-57 ¶
-
depends_on
proposition 5.130
An orthogonal transformation is an isometry
¶
- depends_on definition 5.18 Inner product ¶ ↺
- depends_on equation 5.44 eq:lin-norm-assoc ¶
-
depends_on
proposition 5.49
Injective, surjective, invertible
¶
- depends_on definition 5.39 Kernel, image, nullity, rank ¶
- depends_on proposition 5.48 Existence, uniqueness, and linearity of the inverse ¶
- depends_on theorem 5.40 Rank–nullity ¶
- proves proof ch:03-linear-algebra-representations@proof-18 ¶
- proves proof ch:03-linear-algebra-representations@proof-56 ¶
- proves proof ch:03-linear-algebra-representations@proof-58 ¶
-
depends_on
lemma 5.33
Determinant through the Levi–Civita symbol
¶
- proves proof app:A-long-proofs@proof-401 ¶
- proves proof app:A-long-proofs@proof-402 ¶
Supports
-
depends_on
theorem A.675
Three constants for a cubic crystal, two for an
isotropic solid
¶
- depends_on remark A.676 The third cubic constant is measured, and it is not small ¶
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 |
→ | The octahedral rotation group | declared | appendices/A-long-proofs.tex:32744 |
depends_on |
→ | The three products are independent | declared | appendices/A-long-proofs.tex:32744 |
depends_on |
← | Three constants for a cubic crystal, two for an isotropic solid | declared | appendices/A-long-proofs.tex:32876 |
proves |
← | app:A-long-proofs@proof-402 | declared | appendices/A-long-proofs.tex:32748 |