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Unverified50% confidenceFactExact time

哈达玛猜想由法国数学家雅克·哈达玛于 1893 年提出,认为当矩阵阶数是 4 的倍数时哈达玛矩阵一定存在,至今未被完全证明

1
Sources
50%
Confidence
Long-term
Relevance
8/24/2026
First Seen

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