Approximation, Gelfand, and Kolmogorov numbers of Schatten class embeddings

Joscha Prochno, Michał Strzelecki

Let $0<p,q\le \infty$ and denote by ${\mathcal{S}}_p^N$ and ${\mathcal{S}}_q^N$ the corresponding Schatten classes of real $N\times N$ matrices. We study approximation quantities of nat…