Theorems · Theorem · potential theory
ContDiffAt.laplacian_add
∀ {E : Type u_2} [inst : NormedAddCommGroup E] [inst_1 : InnerProductSpace ℝ E] [inst_2 : FiniteDimensional ℝ E]
{F : Type u_3} [inst_3 : NormedAddCommGroup F] [inst_4 : NormedSpace ℝ F] {f₁ f₂ : E → F} {x : E},
ContDiffAt ℝ 2 f₁ x →
ContDiffAt ℝ 2 f₂ x → Laplacian.laplacian (f₁ + f₂) x = Laplacian.laplacian f₁ x + Laplacian.laplacian f₂ xThe Laplacian commutes with addition.
- Cited by
- 1 results in Mathlib
- Foundations
- Depth 245 from the axioms · uses propext, Classical.choice, Quot.sound
Around this declaration
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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
- Realstatement and proof · cited by 25,697
- NormedAddCommGroupstatement and proof · cited by 15,752
- NormedSpacestatement and proof · cited by 12,499
- Finset.sumproof · cited by 5,195
- ENatstatement · cited by 4,985
- WithTopstatement · cited by 3,754
- InnerProductSpacestatement and proof · cited by 3,523
- Finset.univproof · cited by 3,473
- Finset.sum_congrproof · cited by 2,323
- FiniteDimensionalstatement and proof · cited by 1,854
- Module.finrankproof · cited by 1,770
Cited by1
Results whose statement or proof uses this declaration.
- ContDiffAt.laplacian_add_nhdsproof · cited by 1