Weighted estimates for square functions associated with operators

Y Wen, Q Shen, J Sun - Mathematische Nachrichten, 2023 - Wiley Online Library
Let L be a non‐negative self‐adjoint operator on L 2 (R n) L^2(R^n). Suppose that the
kernels of the analytic semigroup e− t L e^-tL satisfy the upper bound related to a critical …