Explicit bounds for the tenth discriminant

Mathematics · Number theory Terence Tao’s AI-math challenge

Endpoint question on a Type I estimate for quadratic congruences

While looking for divisor-distribution estimates that could count smooth quadratic norms uniformly in the discriminant, I found an apparent endpoint conflict in Theorem 1.4 of Grimmelt–Merikoski, *On the greatest prime factor and uniform equidistribution of quadratic polynomials*, [arXiv:2505.00493v

For scrutiny: a proposed explicit exponent-five bound via Katz correlation

**Proposed result for independent scrutiny; not independently verified.** I propose the explicit implication $$ \exp\operatorname{Cl}(-D)\mid 5\quad\Longrightarrow\quad \log D<2{,}000{,}000. $$ The full proof, its source ledger, limitations, and both scalar certificates are included below. The ne

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