Operator Theory

In mathematics, operator theory is the branch of functional analysis that focuses on bounded linear operators, but which includes closed operators and nonlinear operators.

Operator theory also includes the study of algebras of operators.

Read more about Operator Theory:  Single Operator Theory, Operator Algebras

Famous quotes containing the word theory:

    “The weakness of the man who, when his theory works out into a flagrant contradiction of the facts, concludes “So much the worse for the facts: let them be altered,” instead of “So much the worse for my theory.””
    —George Bernard Shaw (1856–1950)