NLP Lundström, J Singh - arXiv preprint arXiv:2111.02721, 2021 - arxiv.org
Suppose that $ p\in (1,\infty] $, $\nu\in [1/2,\infty) $, $\mathcal {S} _\nu=\left\{(x_1,
x_2)\in\mathbb {R}^ 2\setminus\{(0, 0)\}:|\phi|<\frac {\pi}{2\nu}\right\} $, where $\phi $ is the …