OAI/RepresentationTheory/FoulkesHowe/LinearCase.lean
4 declarations, 0 contain sorry, 0 declared as axioms
- theorem
OAI.Problem346.foulkesFormula_oneline 11 - def
OAI.Problem346.foulkesOneEquivline 19Source documentation
The canonical Foulkes--Howe equivalence when the inner degree is one.
def foulkesOneEquiv (b : ℕ) (V : Type u) [AddCommGroup V] [Module ℂ V] : SymPow b (SymPow 1 V) ≃ₗ[ℂ] SymPow 1 (SymPow b V) := …Mentions: OAI.Problem346.SymPow
- theorem
OAI.Problem346.foulkesOneEquiv_isFoulkesMapline 23 - theorem
OAI.Problem346.canonical_foulkes_howe_a_one_auxline 30Source documentation
Degree-one stabilization, with no finite-dimensionality requirement.
theorem canonical_foulkes_howe_a_one_aux (V : Type u) [AddCommGroup V] [Module ℂ V] (b : ℕ) : ∃ μ : SymPow b (SymPow 1 V) →ₗ[ℂ] SymPow 1 (SymPow b V), IsFoulkesMap 1 b V μ ∧ Function.Bijective μ ∧ ∀ ν : SymPow b (SymPow 1 V) →ₗ[ℂ] SymPow 1 (SymPow b V), IsFoulkesMap 1 b V ν → ν = μ := by …Mentions: OAI.Problem346.SymPow, OAI.Problem346.IsFoulkesMap