\(\newcommand{\RR}{\mathbb{R}} \newcommand{\NN}{\mathbb{N}} \newcommand{\HH}{\mathbb{H}} \newcommand{\Lloc}{\mathrm{L}^2_{\text{loc}}} \newcommand{\abs}[1]{\left\lvert#1\right\rvert} \newcommand{\norm}[1]{\left\lVert#1\right\rVert} \newcommand{\restr}[2]{\left.#1\right|_{#2}} \newcommand{\dilationfactor}{\lambda} \newcommand{\intavg}{\mathop{\mathchoice{\,\rlap{-}\!\!\int}{\rlap{\raise.05em{\scriptstyle -}}\kern-.2em\int}{\rlap{\raise.09em{\scriptscriptstyle -}}\!\int}{\rlap{-}\!\int}}\nolimits} \newcommand{\lt}{<} \newcommand{\gt}{>} \newcommand{\amp}{&} \)