Qingze Lin

activity

20182026

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math.AP2026

Littlewood--Paley operators and semigroup maximal operators on CMO spaces associated to Schödinger operators

Wanjun Li, Qingze Lin, Liang Song

Let $L = - Δ + V$ be a Schrödinger operator on $R^{n}$ , where $Δ$ is the Laplacian and $V$ satisfies the reverse Hölder inequality $RH_{q}$ for some $q > n /2$ . In this paper, w…

math.AP2026

The derivative of the fractional discrete Laplacian is an exotic Riesz potential

Bo Li, Qingze Lin, Huoxiong Wu

Let $Δ_{N}$ be the multidimensional discrete Laplacian on $Z^{N}$ ( $N \geq 1$ ). In this note, we prove that, when $N = 1$ , the right hand derivative of $(- Δ_{1})^{s}$ at $0$ is an ex…