Functional Analysis Functional analysis Functions of Real Variables Functions of a complex variable -- Instructional exposition (textbooks, tutorial papers, etc.) Functions of complex variables Functions of complex variables-- Analysis-- Mathematics Functions of real variables Mathematical logic and foundations -- Set theory -- Set theory Real functions -- Functions of one variable -- Functions of one variable Real functions -- Functions of several variables -- Functions of several variables Real functions -- Inequalities -- Inequalities Real functions -- Instructional exposition (textbooks, tutorial papers, etc.)