Unconditionality of orthogonal spline systems in $H^1$
Volume 226 / 2015
Studia Mathematica 226 (2015), 123-154
MSC: 42C10, 46E30.
DOI: 10.4064/sm226-2-2
Abstract
We give a simple geometric characterization of knot sequences for which the corresponding orthonormal spline system of arbitrary order $k$ is an unconditional basis in the atomic Hardy space $H^1[0,1]$.
