期刊
MATHEMATISCHE ANNALEN
卷 383, 期 1-2, 页码 645-698出版社
SPRINGER HEIDELBERG
DOI: 10.1007/s00208-021-02232-4
关键词
Vector valued Siegel cusp forms of half-integral weight; Metaplectic groups; Jacobi forms; Jacobi groups
类别
资金
- JSPS Research Fellowships for Young Scientists KAKENHI [20J11779]
- Grants-in-Aid for Scientific Research [20J11779] Funding Source: KAKEN
The study uses complex mathematical concepts and multiplicity formulas to prove Ibukiyama's conjectures on Siegel modular forms of half-integral weight and of degree 2, highlighting the significant role of representation theory of the Jacobi groups in the proof.
We prove Ibukiyama's conjectures on Siegel modular forms of half-integral weight and of degree 2 by using Arthur's multiplicity formula on the split odd special orthogonal group SO5 and Gan-Ichino's multiplicity formula on the metaplectic group Mp(4). In the proof, the representation theory of the Jacobi groups also plays an important role.
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