OAI/RepresentationTheory/FoulkesHowe/MultilinearDescent.lean

GitHub source file

3 declarations, 0 contain sorry, 0 declared as axioms

  1. def OAI.Problem346.multilinearDescend line 20

    Source documentation

    A multilinear map constant on the fibers of coordinatewise surjections descends.

    def multilinearDescend
        (q : ∀ i, M i →ₗ[R] N i) (hq : ∀ i, Surjective (q i))
        (f : MultilinearMap R M W)
        (hf : ∀ x y, (∀ i, q i (x i) = q i (y i)) → f x = f y) :
        MultilinearMap R N W where
    …
  2. theorem OAI.Problem346.multilinearDescend_apply_image line 72
  3. theorem OAI.Problem346.multilinearDescend_compLinearMap line 83