Gelfand numbers of embeddings of Schatten classes

Aicke Hinrichs, Joscha Prochno, Jan Vybíral

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 the Gelfand numbers of natura…