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Number theory seminar in memory of F. Momose

On a factorization of Riemann’s ζ function with respect to a quadratic field and its computation.

Presenters

Xavi Ros

Abstract

Let K be a quadratic field, and let ζK its Dedekind zeta function. In this talk we introduce a factorization of ζK into two functions, L1 and L2 , defined as partial Euler products of ζK, which lead to a factorization of Riemann’s ζ function into two functions, p1 and p2 . We prove that these functions satisfy a functional equation which has a unique solution, and we give series of very fast convergence to them. Moreover, when ΔK>0 the general term of these series at even positive integers is calculated explicitly in terms of generalized Bernoulli numbers.

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