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arXiv 1902.05686math.CA
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与非负自伴算子相关的非齐次Besov和Triebel-Lizorkin空间的连续特征

Continuous characterizations of inhomogeneous Besov and Triebel-Lizorkin spaces associated to non-negative self-adjoint operators

Qing Hong, Guorong Hu

摘要:

设$(M,ρ,μ)$是一个满足加倍、反加倍和非塌缩条件的度量测度空间,$\mathscr{L}$是$L^2 (M, dμ)$上的自伴算子,其热核$p_t (x,y)$满足小时间高斯上界、Hölder连续性和马尔可夫性.本文利用热半群定义的连续Littlewood-Paley和Lusin面积函数,给出了与$\mathscr{L}$相关的非齐次“经典”和“非经典”Besov和Triebel-Lizorkin空间的特征.这将$\mathbb{R}^n$上Besov和Triebel-Lizorkin空间的相关经典结果推广到更一般的情形,并将[Trans. Amer. Math Soc. 367(2015),121-189]中的相应结果推广到指数的完整范围。

英文摘要:

Let $(M,ρ,μ)$ be a metric measure space satisfying the doubling, reverse doubling and non-collapsing conditions, and $\mathscr{L}$ be a self-adjoint operator on $L^2 (M, dμ)$ whose heat kernel $p_t (x,y)$ satisfy the small-time Gaussian upper bound, Hölder continuity and Markov property. In this paper, we give characterizations of inhomogeneous "classical" and "non-classical" Besov and Triebel-Lizorkin spaces associated to $\mathscr{L}$ in terms of continuous Littlewood-Paley and Lusin area functions defined by the heat semigroup, for complete range of indices. This extends related classical results for Besov and Triebel-Lizorkin spaces on $\mathbb{R}^n$ to more general setting, and extends corresponding results in [Trans. Amer. Math Soc. 367 (2015), 121-189] to complete range of indices.

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