Weak type estimates on certain Hardy spaces for smooth cone type multipliers

Sunggeum Hong, Yong-Cheol Kim

Let $\varrho \in C^{\infty }({\mathbb{R}}^d\setminus \{0\})$ be a non-radial homogeneous distance function satisfying $\varrho (t\xi )=t\varrho (\xi )$. For $f\in \mathfrak{S}({\mathbb{R}}^{d+1})$ and $δ…