The Extended Riemann Hypothesis and Ramanujan’s Sum

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SUMMARY

The Extended Riemann Hypothesis (ERH) asserts that all zeros of L-functions associated with complex Dirichlet characters of finite cyclic groups lie on the critical line, paralleling the original Riemann Hypothesis (RH) which states that all non-trivial zeros of the Riemann zeta-function lie on this line. Understanding these hypotheses requires familiarity with concepts such as critical strips in the complex plane, trivial and non-trivial zeros, and group characters. The discussion emphasizes the significance of these hypotheses in modern mathematics and computer science, highlighting their profound implications across various mathematical domains.

PREREQUISITES
  • Understanding of Riemann zeta-function
  • Knowledge of complex analysis
  • Familiarity with Dirichlet characters
  • Concept of functional equations in mathematics
NEXT STEPS
  • Research the implications of the Riemann Hypothesis on number theory
  • Study the properties of L-functions and their applications
  • Explore the concept of critical strips in complex analysis
  • Learn about group theory and its relation to characters
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Mathematicians, researchers in number theory, and computer scientists interested in the implications of the Riemann Hypothesis and its extensions.

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RH: All non-trivial zeros of the Riemannian zeta-function lie on the critical line.
ERH: All zeros of L-functions to complex Dirichlet characters of finite cyclic groups within the critical strip lie on the critical line.
Related Article: The History and Importance of the Riemann Hypothesis

The goal of this article is to provide the definitions and theorems that are necessary to understand these two Riemann hypotheses, i.e. why is a strip in the complex plane called critical, what are trivial and non-trivial zeros, and what is a group character, etc. We will gather a couple of facts around the functions involved, in particular several functional equations.
The extended Riemann hypothesis is a generalization of the Riemann hypothesis that became important when modern computer science began to use...

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There's something about the Riemann hypothesis that fascinates me. And this is coming from a guy who had to take calc 2, calc 3, and diff eq twice each to pass them. It seems like such a simple problem, yet has profound implications in many different areas of math. Best of luck to all those trying to solve it!
 
Drakkith said:
Best of luck to all those trying to solve it!
David Hilbert said:
If I were to awaken after having slept for a thousand years, my first question would be: Has the Riemann hypothesis been proven?

"Mathematical Mysteries: The Beauty and Magic of Numbers". Book by Calvin C. Clawson, p. 258, 1999.
 
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Keep at it mathematicians!

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It poses important moral dilemmas.

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