Unverified50% confidenceFactExact time

sum-product现象断言对于实数中的有限集A，要么A+A远大于A，要么A·A远大于A

1

Sources

50%

Confidence

Long-term

Relevance

8/22/2026

First Seen

Sources

Graduate Student Proves Quantum Uncertainty Principle on Fractals: A Breakthrough Bridging Fourier Analysis and Geometry

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Unverified对于n个物品，幂集的规模是2^n，当n=100时组合数量超过10^30，暴力枚举法不实用55% similar Unverified中心差分公式 (f(a+h)-f(a-h))/(2h) 的近似精度更高，误差为O(h²)而非O(h)54% similar

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