ON CERTAIN AUTOMORPHIC FORMS OF Sp(1, q) (ARAKAWA'S RESULTS AND RECENT PROGRESS)

Narita, Hiro-aki

doi:10.1142/9789812774415_0014

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2007

2008

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“…In fact, he proved that the lifting of an elliptic Poincaré series can be written as a finite sum of the automorphic reproducing kernel functions for A 0 (Γ \G, ω κ ) (cf. [16,Remark 4.9]). However, he did not deal with the case of q > 1.…”

Section: Introductionmentioning

confidence: 99%

Theta lifting from elliptic cusp forms to automorphic forms on Sp(1, q)

Narita

2007

Math. Z.

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Tsuneo Arakawa formulated a theta lifting from elliptic cusp forms to automorphic forms on Sp(1, q) in his unpublished note, which was inspired by "Kudla lifting", i.e. a theta lifting from elliptic modular forms to holomorphic automorphic forms on SU (1, q). We prove that the images of Arakawa's theta lifting belong to the space of bounded automorphic forms generating quaternionic discrete series, which are non-holomorphic forms. In the appendix we provide the construction of Eisenstein series and Poincaré series generating such discrete series.

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Section: Introductionmentioning

confidence: 99%