OAI/Computability/Logspace/Equality.lean

GitHub source file

6 declarations, 0 contain sorry, 0 declared as axioms

A fixed-precision deterministic estimator and the equality L = RL = BPL.

From OpenAI, Exact Derandomization of Logarithmic Space: L = RL = BPL.

  1. lemma OAI.ExactDerandomization.Umbra.Scope.Sane.shard line 29
  2. lemma OAI.ExactDerandomization.Umbra.Scope.Sane.plump line 47
  3. theorem OAI.ExactDerandomization.Umbra.Scope.Sane.delivered line 58
  4. theorem OAI.ExactDerandomization.Umbra.fixed_precision_estimator line 70

    Source documentation

    One deterministic estimator works for every input and every finite sampling environment, with additive error at most 1 / 32 for the normalized oracle value.

    theorem fixed_precision_estimator (r:Rock q w h)(e:r.w.Proof)(hp:6≤r.pad)(he:e.T.bank≤Est.box r.pad)(hS:r.P.Space):
        ∃ f:PT ℕ ℕ, Kn f ∧ ∀ (x:Word) (s:Pool (r.n x)),
                            let m:=r.matter0 x
    …

    Mentions: OAI.ExactDerandomization.Est.box, OAI.ExactDerandomization.Word

  5. theorem OAI.ExactDerandomization.BPL_subset_L line 83

    Source documentation

    Every bounded-error probabilistic logspace language has a deterministic logspace decider.

    theorem BPL_subset_L : BPL ⊆ L:=by
    …

    Mentions: OAI.ExactDerandomization.BPL, OAI.ExactDerandomization.L

  6. theorem OAI.ExactDerandomization.exact_logarithmic_space_derandomization line 104

    Source documentation

    Deterministic, one-sided randomized, and two-sided randomized logarithmic space coincide.

    Distinct definitions of this name: ComparatorChallenges/LogspaceEquality.lean:136 (different declaration text). Qualify references as OAI.ExactDerandomization.exact_logarithmic_space_derandomization@path.

    theorem exact_logarithmic_space_derandomization :
         L=RL ∧ RL=BPL:=by
    …

    Mentions: OAI.ExactDerandomization.L, OAI.ExactDerandomization.RL, OAI.ExactDerandomization.BPL