The residual spectrum of U(2,2)

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Let G be the quasi-split unitary group £/(2,2)fc//fc of four variables attached to a quadratic extension k'/k of number fields. An irreducible decomposition of the non-cuspidal discrete spectrum of L2-automorphic forms of G is obtained.

Original languageEnglish
Pages (from-to)1285-1358
Number of pages74
JournalTransactions of the American Mathematical Society
Issue number4
Publication statusPublished - 1998

All Science Journal Classification (ASJC) codes

  • Mathematics(all)
  • Applied Mathematics


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