dual space W* of W can naturally identified with linear functionals

Jacob Korevaar has written:

'Mathematical methods' -- subject(s): Algebras, Linear, Functional analysis, Linear Algebras

Marc Uiterdijk has written:

'Functional calculi for closed linear operators' -- subject(s): Functional analysis, Closed operators

Francis Everett Burstall has written:

'Non-linear functional analysis and harmonic maps'

It means that there is no linear relationship between the argument of the function, x, and the functional value, f(x) or y.