Sunggeum Hong

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math.CA2007

Triple Hilbert transforms along polynomial surfaces

Yong Kum Cho, Sunggeum Hong, Joonil Kim +1

This paper has been withdrawn since it contains some discrepancy with othe authers's recent result. We will not post this until this discrepancy is resolved.

math.CA2003

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

Sunggeum Hong, Yong-Cheol Kim

Let $ϱ \in C^{\infty} (R^{d} ∖ {0})$ be a non-radial homogeneous distance function satisfying $ϱ (t ξ) = tϱ (ξ)$ . For $f \in S (R^{d + 1})$ and $δ…