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On a truncation variation of Arthur. (Sur une variante des troncatures d’Arthur.) (French. English summary) Zbl 1453.11073

Müller, Werner (ed.) et al., Geometric aspects of the trace formula. Proceedings of the Simons symposium, Schloss Elmau, Germany, April 10–16, 2016. Cham: Springer. Simons Symp., 85-120 (2018).
Summary: We show that, for a large class of test functions, the unipotent contributions in the trace formula for \(GL(n)\) over a number field, can be obtained from zeta functions and integrals of Eisenstein series. The main innovation is a new truncation borrowed from a work of O. Schiffmann [Ann. Math. (2) 183, No. 1, 297–362 (2016; Zbl 1342.14076)] on Higgs bundles.
For the entire collection see [Zbl 1401.11005].

MSC:

11F72 Spectral theory; trace formulas (e.g., that of Selberg)
11F70 Representation-theoretic methods; automorphic representations over local and global fields

Citations:

Zbl 1342.14076
Full Text: DOI