Jinlu Li

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20222026

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math.AP2026

Norm inflation and low-regularity ill-posedness for the rod equation

Jinlu Li, Yanghai Yu

In this paper, we consider the Cauchy problem for the rod equation in the line. By constructing an explicit smooth initial data, we present a new method to prove that this problem…

math.AP2026

The Coriolis effect-induced $B_{\infty, r}^{s}$ and $B_{1, r}^{s}$ ill-posedness in the 3D rotating Euler equations

Jinlu Li, Yanghai Yu

In this paper, we establish the ill-posedness of the 3D rotating Euler equations in endpoint $L^{\infty}$ and $L^{1}$ -based spaces. More precisely, our aim is two fold: (1) we prove…

Norm inflation and low-regularity ill-posedness for the rod equation

The Coriolis effect-induced B∞,rs​ and B1,rs​ ill-posedness in the 3D rotating Euler equations

The Coriolis effect-induced $B_{\infty, r}^{s}$ and $B_{1, r}^{s}$ ill-posedness in the 3D rotating Euler equations