Tabla de Contenidos: “…To wander and look (Rousseau, Chateaubriand) -- Gazing and writing instead of living (Senancour) -- Looking without seeing (Amiel, Macpherson, Turner, Mallarmé) -- For only in sadness can talent be perceived (Madame de Stahl) -- To see the nothing inside (Amiel) -- Gazing helplessly through life as it recedes (Delacroix) -- On the harmful effects of looking through the window (Flaubert) -- To look in a tarnished mirror (Baudelaire) -- Through the window and back (Balzac, Baudelaire, Hasenclever)…”

Tabla de Contenidos: “…n -- Continuity in Infinite-Dimensional Spaces -- Spaces of Continuous Functions, Banach Spaces and Abstract Equations -- Hilbert Spaces, Dirichlet’s Principle and Linear Compact Operators -- Some Applications…”