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Project-declaredLean 4.29.0-rc6

Moser Reg Power Cutoff Witness grad

DeGiorgi.moserRegPowerCutoffWitness_grad

Plain-language statement

The gradient of moserRegPowerCutoffWitness decomposes as η · (chain rule) + (product rule). This is the analogue of deGiorgiCutoffTestWitnessWeighted_grad from Chapter 05.

partial differential equationsregularity theoryanalysis

Source project: DeGiorgi

Person-level attribution pending.

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Project-declaredLean 4.29.0-rc6

Moser Reg Test Cutoff mem H01

DeGiorgi.moserRegTestCutoff_memH01

Plain-language statement

The regularized Moser test function belongs to H₀¹(B_s).

partial differential equationsregularity theoryanalysis

Source project: DeGiorgi

Person-level attribution pending.

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Project-declaredLean 4.29.0-rc6

Moser Reg Test Pow nonneg of nonneg

DeGiorgi.moserRegTestPow_nonneg_of_nonneg

Plain-language statement

The moserRegTestPow is nonneg on nonneg inputs: since smoothClip(t) ≥ 0 for t ≥ 0, we have (ε + smoothClip(t))^{p-1} ≥ ε^{p-1}.

partial differential equationsregularity theoryanalysis

Source project: DeGiorgi

Person-level attribution pending.

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