This text has somehow broken formulas layout. Some mathematical symbols both from standard math notation and my notations are substituted by other symbols hindering understanding of this text. Navigation is inconvenient. Ads disturb to read. Bibliography is missing. Purchase high quality PDF or paper book to read this conveniently.
1I remind that every Banach space, every normed space, and every Hilbert space is a vector topological space.
This text has somehow broken formulas layout. Some mathematical symbols both from standard math notation and my notations are substituted by other symbols hindering understanding of this text. Navigation is inconvenient. Ads disturb to read. Bibliography is missing. Purchase high quality PDF or paper book to read this conveniently.