pseudodifferential operator

noun

An extension of the differential operator, used in the theory of partial differential equations and quantum field theory.

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Meanings

nounpseudodifferential operator (plural pseudodifferential operators)

plural pseudodifferential operators · alternative pseudo-differential operator

  1. mathematicsAn extension of the differential operator, used in the theory of partial differential equations and quantum field theory.

    The algebras in question come from problems in various areas of mathematics and mathematical physics; typical examples include algebras of pseudodifferential operators, group algebras, and other algebras arising from quantum field theory.

    2009 January, Notices of the American Mathematical Society, volume 56, number 1, archived from the original on 25 Jan 2009
Cite this entry
APA

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

MLA

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

Chicago

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

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