Waldspurger formula over function fields
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- by Chih-Yun Chuang and Fu-Tsun Wei PDF
- Trans. Amer. Math. Soc. 371 (2019), 173-198 Request permission
Abstract:
In this paper, we derive a function field version of the Waldspurger formula for the central critical values of the Rankin-Selberg $L$-functions. This formula states that the central critical $L$-values in question can be expressed as the âratioâ of the global toric period integral to the product of the local toric period integrals. Consequently, this result provides a necessary and sufficient criterion for the non-vanishing of these central critical $L$-values, and supports the Gross-Prasad conjecture for $\mathrm {SO}(3)$ over function fields.References
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Additional Information
- Chih-Yun Chuang
- Affiliation: Department of Mathematics, National Taiwan University, Taiwan
- MR Author ID: 1118855
- Email: cychuang@ntu.edu.tw
- Fu-Tsun Wei
- Affiliation: Department of Mathematics, National Central University, Taiwan
- MR Author ID: 906643
- Email: ftwei@math.ncu.edu.tw
- Received by editor(s): October 30, 2016
- Received by editor(s) in revised form: February 7, 2017
- Published electronically: April 25, 2018
- Additional Notes: This work was supported by grants from the Ministry of Science and Technology, Taiwan.
- © Copyright 2018 American Mathematical Society
- Journal: Trans. Amer. Math. Soc. 371 (2019), 173-198
- MSC (2010): Primary 11F41, 11F67, 11R58
- DOI: https://doi.org/10.1090/tran/7208
- MathSciNet review: 3885142