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Original file line number Diff line number Diff line change
Expand Up @@ -46,7 +46,7 @@ after overflow, and the integrated compression theorem remain separate obligatio
## References

* [OpenAI, *Exact Derandomization of Logarithmic Space: L = RL = BPL*][OpenAI2026LogSpace],
Section 8.4, equation labelled `buf-false-charge`
Section 8.4, equation (8.12) on p. 48 (source label `buf-false-charge`)
(23 September 2026, revision `7ef5c0cc`, not peer reviewed).
-/

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Expand Up @@ -22,7 +22,7 @@ finite geometric-series bound. In particular, the absolute stability factor `C =
paid for by `q = 1/64`, with total factor at most `7/9`.

Composing this numerical bound with the actual first-overflow moment theorem removes the
finite weighted-sum obligation in [OpenAI2026LogSpace, Section 8.4, `buf-noise-sum`]. Noise
finite weighted-sum obligation in [OpenAI2026LogSpace, Section 8.4, (8.18)]. Noise
with individual `p`-th moment budgets `(ε * q ^ d_i) ^ p` has actual overflow-tail budget
`(ε * C * q / (1 - C * q)) ^ p`. All quantities may share an environment.

Expand All @@ -39,7 +39,8 @@ it does not assert that the absolute constant 28 also proves that relative stabi
## References

* [OpenAI, *Exact Derandomization of Logarithmic Space: L = RL = BPL*][OpenAI2026LogSpace],
Section 8.4, equation labelled `buf-noise-sum` and the following choice of noise decay
Section 8.4, equation (8.18) on p. 49 (source label `buf-noise-sum`) and the following
choice of noise decay
(23 September 2026, revision `7ef5c0cc`, not peer reviewed).
-/

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Expand Up @@ -18,7 +18,7 @@ moment budgets into a budget for the actual first-overflow tail. All arrays and
depend on the same environment. No conditional rarity factor is applied to noise.

This supplies the finite Minkowski step of [OpenAI2026LogSpace, Section 8.4], leading to
`buf-noise-sum`. The individual prefix-noise estimates, propagation-weight bounds and the
(8.18). The individual prefix-noise estimates, propagation-weight bounds and the
uniform bound on their weighted budget sum remain separate obligations.

## Main results
Expand All @@ -29,7 +29,8 @@ uniform bound on their weighted budget sum remain separate obligations.
## References

* [OpenAI, *Exact Derandomization of Logarithmic Space: L = RL = BPL*][OpenAI2026LogSpace],
Section 8.4, proof paragraph leading to equation labelled `buf-noise-sum`
Section 8.4, proof paragraph leading to equation (8.18) on p. 49 (source label
`buf-noise-sum`)
(23 September 2026, revision `7ef5c0cc`, not peer reviewed).
-/

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Expand Up @@ -21,7 +21,7 @@ tail is bounded by the full weighted noise sum, pointwise in the environment. Th
integrated moment comparison permits arbitrary dependence between noise and overflow.

This is the pointwise aggregation step in [OpenAI2026LogSpace, Section 8.4], the paragraph
leading to equation `buf-noise-sum`. The event is `IsFirstOverflow` of the actual compression
leading to equation (8.18). The event is `IsFirstOverflow` of the actual compression
run. No conditional rarity discount is claimed for noise. Prefix-noise budgets, Minkowski,
propagation weights and convergence of their final series remain separate.

Expand All @@ -34,7 +34,8 @@ propagation weights and convergence of their final series remain separate.
## References

* [OpenAI, *Exact Derandomization of Logarithmic Space: L = RL = BPL*][OpenAI2026LogSpace],
Section 8.4, proof paragraph leading to equation labelled `buf-noise-sum`
Section 8.4, proof paragraph leading to equation (8.18) on p. 49 (source label
`buf-noise-sum`)
(23 September 2026, revision `7ef5c0cc`, not peer reviewed).
-/

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2 changes: 1 addition & 1 deletion Complexity/Foundations/Probability/HeavyCount.lean
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Expand Up @@ -49,7 +49,7 @@ integrated compression bound are separate steps.
## References

* [OpenAI, *Exact Derandomization of Logarithmic Space: L = RL = BPL*][OpenAI2026LogSpace],
Section 8.4, Lemma 8.4, equation labelled `buf-rarity`
Section 8.4, Lemma 8.4, equation (8.13) on p. 48 (source label `buf-rarity`)
(23 September 2026, revision `7ef5c0cc`, not peer reviewed).
-/

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Expand Up @@ -28,7 +28,7 @@ The resulting normalized bound uses the final state of the real compression recu
the raw prefix at `j + 1`. The environment may jointly determine the increments, initial
states, true rows, retained endpoints, and first overflow. No independence is assumed.

This is the bounded-output integration of `buf-false-charge` in the proof of
This is the bounded-output integration of (8.12) in the proof of
[OpenAI2026LogSpace, Section 8.4, Proposition 8.5], on the fourth-moment route of issue #1721.
It does not supply prefix mean/noise budgets, sum their geometric costs, prove post-overflow
relative stability, or assert the complete integrated compression estimate.
Expand All @@ -43,7 +43,8 @@ relative stability, or assert the complete integrated compression estimate.
## References

* [OpenAI, *Exact Derandomization of Logarithmic Space: L = RL = BPL*][OpenAI2026LogSpace],
Section 8.4, equations labelled `buf-false-charge` and `buf-false-sum`
Section 8.4, equations (8.12) on p. 48 and (8.16) on p. 49 (source labels
`buf-false-charge` and `buf-false-sum`)
(23 September 2026, revision `7ef5c0cc`, not peer reviewed).
-/

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