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Project-declaredLean 4.32.0

Zeta Surrogate zeros in closed Ball₀ count

Backlund.zetaSurrogate_zeros_in_closedBall₀_count

Plain-language statement

Let Z(s)Z(s) be the project's entire zeta surrogate, obtained by removing the pole of ζ(s)\zeta(s) at s=1s=1. There is a constant C>0C>0 such that, for every R1R\ge1, the total multiplicity of the zeros of ZZ in sR|s|\le R is bounded by C(1+R)3/2.C(1+R)^{3/2}.

analytic number theoryprime numbersasymptotics

Source project: Prime Number Theorem and More

Person-level attribution pending.

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Project-declaredLean 4.29.0-rc6

Ae eq of tendsto e Lp Norm sub

BareFunction.ae_eq_of_tendsto_eLpNorm_sub

Plain-language statement

Lp limit uniqueness: if f_n → g₁ and f_n → g₂ in eLpNorm, then g₁ =ᵐ g₂.

partial differential equationsregularity theoryanalysis

Source project: DeGiorgi

Person-level attribution pending.

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Project-declaredLean 4.29.0-rc6

E Lp Norm pi le sum component

BareFunction.eLpNorm_pi_le_sum_component

Plain-language statement

Vector eLpNorm ≤ sum of component eLpNorms for Pi-valued functions. Uses eLpNorm_mono_real for the pointwise bound together with eLpNorm_sum_le for ℝ-valued functions, avoiding Pi instance synthesis.

partial differential equationsregularity theoryanalysis

Source project: DeGiorgi

Person-level attribution pending.

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Project-declaredLean 4.29.0-rc6

Mem Lp of tendsto e Lp Norm

BareFunction.memLp_of_tendsto_eLpNorm

Plain-language statement

If f n → g in eLpNorm and each f n ∈ Lp, then g ∈ Lp, provided g is AEStronglyMeasurable. Avoids the Lp type entirely. The key observation: eLpNorm (f n - g) → 0 means eLpNorm (f N - g) < 1 for some N. Then eLpNorm g ≤ eLpNorm (f N - g) + eLpNorm (f N) < ∞.

partial differential equationsregularity theoryanalysis

Source project: DeGiorgi

Person-level attribution pending.

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Project-declaredLean 4.29.0-rc6

Scalar cauchy to limit

BareFunction.scalar_cauchy_to_limit

Plain-language statement

Scalar Cauchy → limit. Generic over codomain E and domain α.

partial differential equationsregularity theoryanalysis

Source project: DeGiorgi

Person-level attribution pending.

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Project-declaredLean 4.29.0-rc6

Tendsto e Lp Norm pi component

BareFunction.tendsto_eLpNorm_pi_component

Plain-language statement

Vector eLpNorm convergence → component eLpNorm convergence. Uses eLpNorm_pi_component_le via an explicit function equality to avoid expensive defeq checks.

partial differential equationsregularity theoryanalysis

Source project: DeGiorgi

Person-level attribution pending.

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