OAI/Algebra/DepthFive/OperatorRankBridge.lean

GitHub source file

5 declarations, 0 contain sorry, 0 declared as axioms

Equality of the finite-source APIs used by the product bound and the trace bound.

  1. theorem OAI.Problem335.sourceMixedOperator_eq_rawOperatorFamily line 15

    Source documentation

    The independently useful source-only constructions define the same linear family.

    theorem sourceMixedOperator_eq_rawOperatorFamily (side : σ → Bool) (a b : ℕ) :
        sourceMixedOperator (K := K) side a b = rawOperatorFamily side a b := by
    …

    Mentions: OAI.Problem335.sourceMixedOperator, OAI.Problem335.rawOperatorFamily

  2. theorem OAI.Problem335.bidegreeRank_eq_source_measure line 21

    Source documentation

    The canonical rank is the source-only rank of the paired projection.

    theorem bidegreeRank_eq_source_measure (side : σ → Bool) (a b k m : ℕ)
        (q : MvPolynomial σ K) :
        bidegreeRank side a b k m q =
          RankMeasure.measure (sourceMixedOperator side a b) (bidegreeComponent side k m q) := by
    …

    Mentions: OAI.Problem335.bidegreeRank, OAI.Problem335.RankMeasure.measure, OAI.Problem335.sourceMixedOperator, OAI.Problem335.bidegreeComponent

  3. theorem OAI.Problem335.bidegreeRank_eq_source_component line 29

    Source documentation

    For a homogeneous defining polynomial, the indicator projection suffices.

    theorem bidegreeRank_eq_source_component (side : σ → Bool) (a b k m : ℕ)
        {q : MvPolynomial σ K} (hq : q.IsHomogeneous (k + m)) :
        bidegreeRank side a b k m q =
          RankMeasure.measure (sourceMixedOperator side a b) (Bidegree.component side k q) := by
    …

    Mentions: OAI.Problem335.bidegreeRank, OAI.Problem335.RankMeasure.measure, OAI.Problem335.sourceMixedOperator, OAI.Problem335.Bidegree.component

  4. theorem OAI.Problem335.finiteMixedOperator_rank_eq_source_measure line 36

    Source documentation

    The rank used in finite-matrix moment estimates equals the source-only rank.

    theorem finiteMixedOperator_rank_eq_source_measure (side : σ → Bool) (a b k m : ℕ)
        (q : MvPolynomial σ K) :
        RankMeasure.mapRank (finiteMixedOperator side a b k m q) =
          RankMeasure.measure (sourceMixedOperator side a b) (bidegreeComponent side k m q) := by
    …

    Mentions: OAI.Problem335.RankMeasure.mapRank, OAI.Problem335.finiteMixedOperator, OAI.Problem335.RankMeasure.measure, OAI.Problem335.sourceMixedOperator, OAI.Problem335.bidegreeComponent

  5. theorem OAI.Problem335.finiteMixedOperator_rank_eq_source_of_mem line 43

    Source documentation

    When projection is redundant, no conversion of defining polynomials is needed.

    theorem finiteMixedOperator_rank_eq_source_of_mem (side : σ → Bool) (a b k m : ℕ)
        {q : MvPolynomial σ K} (hq : q ∈ bidegreeSubmodule side k m) :
        RankMeasure.mapRank (finiteMixedOperator side a b k m q) =
          RankMeasure.mapRank (sourceMixedOperator side a b q) := by
    …

    Mentions: OAI.Problem335.bidegreeSubmodule, OAI.Problem335.RankMeasure.mapRank, OAI.Problem335.finiteMixedOperator, OAI.Problem335.sourceMixedOperator