operator theory

noun

A branch of functional analysis, being the study of linear operators on function spaces.

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Meanings

nounoperator theory (uncountable)
  1. uncountablemathematicsA branch of functional analysis, being the study of linear operators on function spaces.
Cite this entry
APA

operator theory. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/operator%20theory

MLA

“operator theory.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/operator%20theory. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “operator theory,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/operator%20theory.

Source: operator theory on Wiktionary, CC BY-SA 4.0.