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魏斯勒猜想中缺失的两点不等式

The missing two-point inequality in Weissler's conjecture

Yi C. Huang, Paata Ivanisvili

arXiv 2607.19769首次发表:更新:

发表机构

Nanjing Normal University; University of California, Irvine(南京师范大学; 加州大学尔湾分校)

机构由 AI 辅助整理,请以论文原文为准。

AI 中文总结

研究魏斯勒猜想中复超压缩性刻画在特定范围未解决的问题,通过证明相应两点不等式解决其余严格非对角情形,还证明了对特定\(p,q\)范围的两点不等式。

AI 中文摘要

魏斯勒关于汉明立方体上复超压缩性的猜想刻画在\(2 < p \leq q < 3\)和\(\frac{3}{2} < p \leq q < 2\)范围内仍未解决。伊万尼斯维利 - 纳扎罗夫证明了对角情形。我们通过相应的两点不等式证明了其余严格非对角情形。实际上,我们的论证证明了对每个\(2 < p < q < \infty\)的两点不等式,通过对偶性,对每个\(1 < p < q < 2\)也成立。

英文摘要

Weissler's conjectured characterization of complex hypercontractivity on the Hamming cube remained open in the ranges $2<p\le q<3$ and $\frac32<p\le q<2$. Ivanisvili--Nazarov established the diagonal cases. We prove the remaining strict off-diagonal cases through the corresponding two-point inequality. Our argument gives a self-contained proof for every $2<p\le q<\infty$ and, by duality, for every $1<p\le q<2$, including the previously known diagonal cases. The proof is based on a flow argument.

论文原文

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