OAI/RepresentationTheory/FoulkesHowe/SymmetricDual.lean
1 declarations, 0 contain sorry, 0 declared as axioms
- theorem
OAI.Problem346.symPowDual_injective_of_pure_evaluationline 14Source documentation
A symmetric-power duality map is injective as soon as evaluation on pure powers agrees with evaluation in the symmetric algebra.
theorem symPowDual_injective_of_pure_evaluation (n : ℕ) (B : SymPow n (Module.Dual ℂ V) →ₗ[ℂ] Module.Dual ℂ (SymPow n V)) (hB : ∀ (p : SymPow n (Module.Dual ℂ V)) (x : V), B p (symMonomial n V (fun _ => x)) = SymmetricAlgebra.lift (Module.Dual.eval ℂ V x) p.val) : Function.Injective B := by …Mentions: OAI.Problem346.SymPow, OAI.Problem346.symMonomial