pseudodifferential operator
English
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editNoun
editpseudodifferential operator (plural pseudodifferential operators)
- (mathematics) An extension of the differential operator, used in the theory of partial differential equations and quantum field theory.
- 2009 January, Notices of the American Mathematical Society[1], volume 56, number 1:
- 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.