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Proceedings of the National Academy of Sciences of the United States of America logoLink to Proceedings of the National Academy of Sciences of the United States of America
. 1969 Jul;63(3):661–667. doi: 10.1073/pnas.63.3.661

THE PLANCHEREL FORMULA FOR SL(2) OVER A LOCAL FIELD*

P J Sally Jr 1,2, J A Shalika 1,2
PMCID: PMC223502  PMID: 16591775

Abstract

More than two decades ago, in his classical paper on the irreducible unitary representations of the Lorentz group, V. Bargmann initiated the concrete study of Fourier analysis on real Lie groups and obtained the analogue of the classical Fourier expansion theorem in the case of the Lorentz group. Since then the general theory for real semisimple Lie groups has been extensively developed, chiefly through the work of Harish-Chandra. More generally, one may consider groups defined by algebraic equations over locally compact fields, in particular local fields, and ask for an explicit Fourier expansion formula. In the present article the authors obtain this formula for the group SL(2).

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Selected References

These references are in PubMed. This may not be the complete list of references from this article.

  1. Harish-Chandra Plancherel Formula for the 2 x 2 Real Unimodular Group. Proc Natl Acad Sci U S A. 1952 Apr;38(4):337–342. doi: 10.1073/pnas.38.4.337. [DOI] [PMC free article] [PubMed] [Google Scholar]
  2. Sally P. J., Shalika J. A. Characters of the discrete series of representations of sl(2) over a local field. Proc Natl Acad Sci U S A. 1968 Dec;61(4):1231–1237. doi: 10.1073/pnas.61.4.1231. [DOI] [PMC free article] [PubMed] [Google Scholar]

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