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On the number of n-dimensional representations of SU(3), the Bernoulli numbers, and the
Witten zeta function
Published Web Location
https://arxiv.org/pdf/1503.03776.pdfNo data is associated with this publication.
Abstract
We derive new results about properties of the Witten zeta function associated with the group SU(3), and use them to prove an asymptotic formula for the number of n-dimensional representations of SU(3) counted up to equivalence. Our analysis also relates the Witten zeta function of SU(3) to a summation identity for Bernoulli numbers discovered in 2008 by Agoh and Dilcher. We give a new proof of that identity and show that it is a special case of a stronger identity involving the Eisenstein series.