Theorems · Definition · linear algebra
MatrixEquivTensor.invFun
(n : Type u_3) →
(R : Type u_5) →
(A : Type u_7) →
[inst : CommSemiring R] →
[inst_1 : Semiring A] →
[inst_2 : Algebra R A] → [DecidableEq n] → [Fintype n] → Matrix n n A → TensorProduct R A (Matrix n n R)(Implementation detail.)
The bare function Matrix n n A → A ⊗[R] Matrix n n R.
(We don't need to show that it's an algebra map, thankfully just that it's an inverse.)
- Defined in
- Mathlib.RingTheory.MatrixAlgebra
- Cited by
- 6 results in Mathlib
- Foundations
- Depth 69 from the axioms · uses propext, Classical.choice, Quot.sound
Around this declaration
Dashed lines are statement dependencies; solid lines are citations in proofs.
Cites10
Mathlib declarations this one mentions in its statement or cites explicitly in its proof. Plumbing is filtered out.
- Semiringstatement and proof · cited by 13,802
- Algebrastatement and proof · cited by 11,388
- CommSemiringstatement and proof · cited by 10,911
- Fintypestatement and proof · cited by 7,736
- Finset.sumproof · cited by 5,195
- Matrixstatement and proof · cited by 4,303
- Finset.univproof · cited by 3,473
- TensorProductstatement · cited by 2,545
- TensorProduct.tmulproof · cited by 1,182
- Matrix.singleproof · cited by 129
Cited by7
Results whose statement or proof uses this declaration.
- MatrixEquivTensor.invFun_addstatement · cited by 1
- MatrixEquivTensor.invFun_algebraMapstatement · cited by 1
- MatrixEquivTensor.invFun_smulstatement · cited by 1
- MatrixEquivTensor.invFun_zerostatement · cited by 1
- MatrixEquivTensor.equivproof · cited by 0
- MatrixEquivTensor.left_invstatement and proof · cited by 0
- MatrixEquivTensor.right_invstatement · cited by 0