English

Modular forms and q-analogues of modified double zeta values

Number Theory 2018-08-30 v1

Abstract

We present explicit formulas for Hecke eigenforms as linear combinations of q-analogues of modified double zeta values. As an application, we obtain period polynomial relations and sum formulas for these modified double zeta values. These relations have similar shapes as the period polynomial relations of Gangl, Kaneko and Zagier and the usual sum formulas for classical double zeta values.

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Cite

@article{arxiv.1808.09674,
  title  = {Modular forms and q-analogues of modified double zeta values},
  author = {Henrik Bachmann},
  journal= {arXiv preprint arXiv:1808.09674},
  year   = {2018}
}

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11 pages