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On the Minor Problem and Branching Coefficients

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 نشر من قبل Jean-Bernard Zuber
 تاريخ النشر 2020
  مجال البحث فيزياء
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The Minor problem, namely the study of the spectrum of a principal submatrix of a Hermitian matrix taken at random on its orbit under conjugation, is revisited, with emphasis on the use of orbital integrals and on the connection with branching coefficients in the decomposition of an irreducible representation of U(n), resp. SU(n), into irreps of U(n-1), resp. SU(n-1).



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