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q -Analogues of the Riemann zeta, the Dirichlet L -functions, and a crystal zeta function

q -Analogues of the Riemann zeta, the Dirichlet L -functions, and a crystal zeta function A q -analogue ζ q ( s ) of the Riemann zeta function ζ( s ) was studied in Kaneko M., Kurokawa N. and Wakayama M.: A variation of Euler's approach to values of the Riemann zeta function. Kyushu J. Math. 57 (2003), 175–192 via a certain q -series of two variables. We introduce in a similar way a q -analogue of the Dirichlet L -functions and make a detailed study of them, including some issues concerning the classical limit of ζ q ( s ) left open in Kaneko M., Kurokawa N. and Wakayama M.: A variation of Euler's approach to values of the Riemann zeta function. Kyushu J. Math. 57 (2003), 175–192. We also examine a “crystal” limit (i.e. q ↓ 0) behavior of ζ q ( s ). The q -trajectories of the trivial and essential zeros of ζ( s ) are investigated numerically when q moves in (0, 1. Moreover, conjectures for the crystal limit behavior of zeros of ζ q ( s ), which predict an interesting distribution of “trivial zeros” and an analogue of the Riemann hypothesis for a crystal zeta function, are given. 2000 Mathematics Subject Classification: 11M06. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Forum Mathematicum de Gruyter

q -Analogues of the Riemann zeta, the Dirichlet L -functions, and a crystal zeta function

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References (26)

Publisher
de Gruyter
Copyright
© Walter de Gruyter
ISSN
0933-7741
eISSN
1435-5337
DOI
10.1515/FORUM.2008.001
Publisher site
See Article on Publisher Site

Abstract

A q -analogue ζ q ( s ) of the Riemann zeta function ζ( s ) was studied in Kaneko M., Kurokawa N. and Wakayama M.: A variation of Euler's approach to values of the Riemann zeta function. Kyushu J. Math. 57 (2003), 175–192 via a certain q -series of two variables. We introduce in a similar way a q -analogue of the Dirichlet L -functions and make a detailed study of them, including some issues concerning the classical limit of ζ q ( s ) left open in Kaneko M., Kurokawa N. and Wakayama M.: A variation of Euler's approach to values of the Riemann zeta function. Kyushu J. Math. 57 (2003), 175–192. We also examine a “crystal” limit (i.e. q ↓ 0) behavior of ζ q ( s ). The q -trajectories of the trivial and essential zeros of ζ( s ) are investigated numerically when q moves in (0, 1. Moreover, conjectures for the crystal limit behavior of zeros of ζ q ( s ), which predict an interesting distribution of “trivial zeros” and an analogue of the Riemann hypothesis for a crystal zeta function, are given. 2000 Mathematics Subject Classification: 11M06.

Journal

Forum Mathematicumde Gruyter

Published: Jan 1, 2008

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