$L_p+L_{\infty }$ and $L_p\cap L_{\infty }$ are not isomorphic for all $1\le p<\infty ,$ $p\ne 2$

S. V. Astashkin, L. Maligranda

Isomorphic classification of symmetric spaces is an important problem related to the study of symmetric structures in arbitrary Banach spaces. This research was initiated in the se…