"Quasimodular Forms And Automorphic Pseudodifferential Operators Of Mix" by Min Ho Lee
 

Faculty Publications

Quasimodular Forms And Automorphic Pseudodifferential Operators Of Mixed Weight

Document Type

Article

Keywords

Automorphic pseudodifferential operators, Jacobi-like forms, Modular forms, Quasimodular forms

Journal/Book/Conference Title

Ramanujan Journal

Volume

46

Issue

1

First Page

229

Last Page

243

Abstract

Jacobi-like forms for a discrete subgroup Γ of SL(2 , R) are formal power series which generalize Jacobi forms, and they are in one-to-one correspondence with automorphic pseudodifferential operators for Γ. The well-known Cohen–Kuznetsov lifting of a modular form f provides a Jacobi-like form and therefore an automorphic pseudodifferential operator associated to f. Given a pair (λ, μ) of integers, automorphic pseudodifferential operators can be extended to those of mixed weight. We show that each coefficient of an automorphic pseudodifferential operator of mixed weight is a quasimodular form and prove the existence of a lifting of Cohen–Kuznetsov type for each quasimodular form.

Department

Department of Mathematics

Original Publication Date

5-1-2018

DOI of published version

10.1007/s11139-017-9931-4

Repository

UNI ScholarWorks, Rod Library, University of Northern Iowa

Language

en

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