Several complex variables and analytic spaces {For infinite-dimensional holomorphy, see also 46G20, 58B12} 46947

## Mathematics Subject Classification – MSC2020

Spectral theory and eigenvalue problems for partial differential equations {For operator theory, see 47Axx, 47Bxx, 47F05} 20342

Inner product spaces and their generalizations, Hilbert spaces {For function spaces, see 46Exx} 4988