The purpose of this note is to prove that the strong Christ-Goldberg maximal function is bounded. This is a matrix weighted maximal operator appearing in the theory of matrix weighted norm inequalities. Related to this we record the Rubio de Francia extrapolation theorem with bi-parameter matrix weights.
No takes yet. Share an insight, caveat, or question.
Emil Vuorinen (2024) studied this question.
Synapse has enriched 3 closely related papers on similar clinical questions. Consider them for comparative context: