Weyl's theorem
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In mathematics, Weyl's theorem or Weyl's lemma might refer to one of a number of results of Hermann Weyl. These include
- the Peter–Weyl theorem
- results derived from the unitarian trick on representation theory of semisimple groups and semisimple Lie algebras
- Weyl's theorem on eigenvalues
- Weyl's criterion for equidistribution
- Weyl's lemma on partial differential equations and hypoellipticity
- Weyl's lemma on the "very weak" form of the Laplace equation
- results estimating Weyl sums in the theory of exponential sums
- Weyl's inequality