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Some remarks on K2 of Fermat curve xN+yN=1

  • TIAN Bo ,
  • TANG Guo-Ping ,
  • CHEN Hong
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  • School of Mathematical Sciences, Graduate University, Chinese Academy of Sciences, Beijing 100049, China

Received date: 2011-03-28

  Revised date: 2011-05-09

  Online published: 2012-03-15

Supported by

Supported by National NSFC (11071247)

Abstract

We first review Beilinson’s conjecture for a smooth projective curve C over Q. Then we exhibit an element in K2-group of the Fermat curve XN:xN+yN=1 from a toric variety viewpoint. Finally, we focus on the special case of X3 and explicitly express its Hasse-Weil L-function L(X3,s) in terms of the Eisenstein-Kronecker-Lerch series, which allows us to verify that L(X3,s) satisfies a certain functional equation and has a meromorphic continuation in the entire complex plane.

Cite this article

TIAN Bo , TANG Guo-Ping , CHEN Hong . Some remarks on K2 of Fermat curve xN+yN=1[J]. Journal of University of Chinese Academy of Sciences, 2012 , (2) : 154 -161 . DOI: 10.7523/j.issn.2095-6134.2012.2.002

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