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关于$\boldsymbol{\text{R}}^{2\times m}$中莫雷问题的一个解

A solution to Morrey's problem in $\mathbb{R}^{2\times m}$

Gabriele Cassese

arXiv 2608.03488首次发表:更新:

AI 中文总结

该研究针对$\boldsymbol{\text{R}}^{2\times m}$中的莫雷问题,构造出当$m$足够大时处处非拟凸的齐次秩一凸被积函数,解决了相关问题

AI 中文摘要

当$m$足够大时,我们构造了从$\boldsymbol{\text{R}}^{2\times m}$到$\boldsymbol{\text{R}}$的齐次秩一凸被积函数$F$,其处处非拟凸

英文摘要

We construct, for any exponent $p\in(1,\infty)$, $p$-homogeneous rank-one convex integrands $F\colon \mathbb{R}^{2\times m}\to \mathbb{R}$ that are nowhere quasiconvex when $m$ is large. When $p$ is sufficiently close to $4$, such examples can be constructed on $\mathbb{R}^{2\times 3}$: for $p=4$, our example is an explicit quartic polynomial. Related constructions give, for every $p$, conjugation- and transposition-invariant examples on $\mathbb{R}^{d\times d}$, and examples on $\mathbb{R}^{4\times 2}$ for every $p\neq 2$.

Comments30 pages. The new version includes new examples in dimension 2x3 and 3x2, and some proofs have been streamlined. Comments are more than welcome

论文原文

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