Theorems · Theorem · functional analysis
spectrum.smul_mem_smul_iff
∀ {R : Type u} {A : Type v} [inst : CommSemiring R] [inst_1 : Ring A] [inst_2 : Algebra R A] {a : A} {s : R} {r : Rˣ},
r • s ∈ spectrum R (r • a) ↔ s ∈ spectrum R a- Defined in
- Mathlib.Algebra.Algebra.Spectrum.Basic
- Cited by
- 2 results in Mathlib
- Foundations
- Depth 22 from the axioms · uses propext, Quot.sound
- Assumes
- CommSemiringRingAlgebra
Around this declaration
Dashed lines are statement dependencies; solid lines are citations in proofs.
Cites9
Mathlib declarations this one mentions in its statement or cites explicitly in its proof. Plumbing is filtered out.
- Setstatement · cited by 53,352
- Algebrastatement and proof · cited by 11,388
- CommSemiringstatement and proof · cited by 10,911
- Ringstatement and proof · cited by 7,463
- Unitsstatement and proof · cited by 2,804
- IsUnitproof · cited by 1,602
- spectrumstatement · cited by 510
- smul_assocproof · cited by 150
- Algebra.algebraMap_eq_smul_oneproof · cited by 119
Cited by2
Results whose statement or proof uses this declaration.
- IsSelfAdjoint.mem_spectrum_eq_reproof · cited by 3
- spectrum.unit_smul_eq_smulproof · cited by 2