# The polymath blog

## January 26, 2018

### A new polymath proposal (related to the Riemann Hypothesis) over Tao’s blog

Filed under: polymath proposals — Gil Kalai @ 7:17 am
Tags: ,

(From a post “the music of the primes” by  Marcus du Sautoy.)

A new polymath proposal over Terry Tao’s blog who wrote: “Building on the interest expressed in the comments to this previous post, I am now formally proposing to initiate a “Polymath project” on the topic of obtaining new upper bounds on the de Bruijn-Newman constant ${\Lambda}$. The purpose of this post is to describe the proposal and discuss the scope and parameters of the project.”

Briefly showing that $\Lambda \le 0$ is the Rieman Hypothesis, and it is known that $\Lambda \le 1/2$.  Brad Rodgers and Terry Tao proved an old conjecture that $\Lambda \ge 0$. The purpose of the project is to push down this upper bound. (The RH is not considered a realistic outcome.)

## 1 Comment »

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Comment by Irwin Penkins — February 5, 2018 @ 7:43 pm

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