Theorems · Theorem · linear algebra
LinearMap.charpoly_prodMap
∀ {R : Type u_1} {M₁ : Type u_3} {M₂ : Type u_4} [inst : CommRing R] [inst_1 : AddCommGroup M₁] [inst_2 : Module R M₁]
[inst_3 : Module.Finite R M₁] [inst_4 : Module.Free R M₁] [inst_5 : AddCommGroup M₂] [inst_6 : Module R M₂]
[inst_7 : Module.Finite R M₂] [inst_8 : Module.Free R M₂] (f₁ : M₁ →ₗ[R] M₁) (f₂ : M₂ →ₗ[R] M₂),
(f₁.prodMap f₂).charpoly = f₁.charpoly * f₂.charpoly- Defined in
- Mathlib.LinearAlgebra.Charpoly.ToMatrix
- Cited by
- 1 results in Mathlib
- Foundations
- Depth 113 from the axioms · uses propext, Classical.choice, Quot.sound
Around this declaration
Dashed lines are statement dependencies; solid lines are citations in proofs.
Cites21
Mathlib declarations this one mentions in its statement or cites explicitly in its proof. Plumbing is filtered out.
- DFunLike.coeproof · cited by 62,936
- Modulestatement and proof · cited by 20,661
- RingHom.idstatement and proof · cited by 18,349
- CommRingstatement and proof · cited by 17,173
- AddCommGroupstatement and proof · cited by 12,871
- LinearMapstatement and proof · cited by 10,215
- Polynomialstatement and proof · cited by 5,681
- Matrixproof · cited by 4,303
- Module.Basisproof · cited by 1,477
- Module.Finitestatement and proof · cited by 1,032
- Module.Freestatement and proof · cited by 597
- LinearMap.toMatrixproof · cited by 180
Cited by1
Results whose statement or proof uses this declaration.
- LinearMap.finrank_maxGenEigenspace_zero_eqproof · cited by 2