diff --git a/README.md b/README.md index cfeef46..5584028 100644 --- a/README.md +++ b/README.md @@ -77,7 +77,7 @@ Bounds for which the level of available verification is currently at minimal lev | [42](https://teorth.github.io/optimizationproblems/constants/42a.html) | Turan's pure power sum constant | 0.5 | 0.69368 | | [43](https://teorth.github.io/optimizationproblems/constants/43a.html) | Gilbert-Pollak conjecture (Steiner ratio) | 0.8559 | 0.86602540378 | | [44](https://teorth.github.io/optimizationproblems/constants/44a.html) | Maximal number of relevant variables in degree-$d$ Boolean functions | 1.5 | 4.394 | -| [45](https://teorth.github.io/optimizationproblems/constants/45a.html) | Density of odd integers that are the sum of a prime and a power of two | 0.107648 | <0.490248930138966 | +| [45](https://teorth.github.io/optimizationproblems/constants/45a.html) | Density of odd integers that are the sum of a prime and a power of two | 0.107648 | 0.490180063290061 | | [46](https://teorth.github.io/optimizationproblems/constants/46a.html) | Fourier restriction constant for the 2-sphere | 3 | $\frac{22}{7}\approx 3.142857$ | | [47](https://teorth.github.io/optimizationproblems/constants/47a.html) | Centered Hardy-Littlewood maximal constant in dimension $2$ | $\frac{11+\sqrt{61}}{12}\approx 1.5675208$ | 4 | | [48](https://teorth.github.io/optimizationproblems/constants/48a.html) | One-dimensional convex sub-Gaussian comparison constant | $\approx 5.33386$ | $\approx 5.33386$ | diff --git a/constants/45a.md b/constants/45a.md index 57b0d03..f9f7316 100644 --- a/constants/45a.md +++ b/constants/45a.md @@ -12,8 +12,8 @@ $C_{45}$ is the asymptotic density (if it exists) of the set of odd integers tha | $<0.5$ | [E1950] | Used covering systems | | $0.490941$ | [HR2006] | | | $0.490341088858244$ | [CDL2024] | | -| $<0.490249407811155$ | [G2026] | 36-prime finite obstruction certificate with exact cluster-update verification. | -| $<0.490248930138966$ | [Y2026] | | +| $0.490249407811155$ | [G2026] | 36-prime finite obstruction certificate with exact cluster-update verification. | +| $0.490180063290061$ | [Y2026] | | ## Known lower bounds @@ -83,7 +83,7 @@ The external verifier independently recomputes the 13-prime seed histogram from - [G2026] Griego, Sebastian. 36-prime obstruction certificate for Romanoff's constant upper-density bound, 2026. [Code and verification](https://github.com/sebastian-griego/c45-romanoff-certificate/tree/v1-c45-certificate). - [G2026-ub-0-490249407811155] **loc:** external verifier repository, `verify_all.sh`. **quote:** "The exact rational verifier proves the upper-density bound \(\overline d(A)<0.490249407811155\)." -- [Y2026] Yoo, Andrew, "An improved upper bound on Romanoff's constant," 2026. https://github.com/andrew-yoo/romanoff/tree/v2. +- [Y2026] Yoo, Andrew, "An improved upper bound on Romanoff's constant," 2026. https://github.com/andrew-yoo/romanoff/tree/v3. ## Contribution notes