An analytic function ζ of the complex variable z equal to 1−z + 2−z + 3−z + … when the real part of z is greater than 1. Also written Riemann ζ function.
Origin
Late 19th century; earliest use found in Messenger of Mathematics.
Definition of Riemann zeta function in US English:
Riemann zeta function
(also Riemann's zeta function)
noun
Mathematics
An analytic function ζ of the complex variable z equal to 1−z + 2−z + 3−z + … when the real part of z is greater than 1. Also written Riemann ζ function.
Origin
Late 19th century; earliest use found in Messenger of Mathematics.