Multipliers on bi-parameter Haar system Hardy spaces

Richard Lechner, Pavlos Motakis, Paul F. X. Müller +1

Let $(h_I)$ denote the standard Haar system on $[0,1]$, indexed by $I\in \mathcal{D}$, the set of dyadic intervals and $h_I\otimes h_J$ denote the tensor product $(s,t)\mapsto h_I(s…