On wavefront sets of global Arthur packets of classical groups: Upper bound

  • Dihua Jiang

    University of Minnesota, Minneapolis, USA
  • Baiying Liu

    Purdue University, West Lafayette, USA
On wavefront sets of global Arthur packets of classical groups: Upper bound cover

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Abstract

We prove a conjecture of the first named author (2014) on the upper bound Fourier coefficients of automorphic forms in Arthur packets of all classical groups over any number field. This conjecture generalizes the global version of the local tempered -packet conjecture of Shahidi (1990). Under certain assumption, we also compute the wavefront sets of the unramified unitary dual for split classical groups.

Cite this article

Dihua Jiang, Baiying Liu, On wavefront sets of global Arthur packets of classical groups: Upper bound. J. Eur. Math. Soc. (2024), published online first

DOI 10.4171/JEMS/1446