Shtukas and the Taylor expansion of L-functions

Zhiwei Yun Yale University Wei Zhang Columbia University

Number Theory mathscidoc:1703.24017

We define the Heegner--Drinfeld cycle on the moduli stack of Drinfeld Shtukas of rank two with r-modifications for an even integer r. We prove an identity between (1) The r-th central derivative of the quadratic base change L-function associated to an everywhere unramified cuspidal automorphic representation π of PGL2; (2) The self-intersection number of the π-isotypic component of the Heegner--Drinfeld cycle. This identity can be viewed as a function-field analog of the Waldspurger and Gross--Zagier formula for higher derivatives of L-functions.
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  • https://arxiv.org/abs/1512.02683
@inproceedings{zhiweishtukas,
  title={Shtukas and the Taylor expansion of L-functions},
  author={Zhiwei Yun, and Wei Zhang},
  url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170315103552534638717},
}
Zhiwei Yun, and Wei Zhang. Shtukas and the Taylor expansion of L-functions. http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170315103552534638717.
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