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L-Functions of Varieties, Zeta Functions of Their Models

Let $k$ denote a number field, with algebraic closure $\bar{k}$. Take a smooth, projective variety $X$ over $k$. If $\mathfrak{p}$ is a prime of $k$, and $l$ is a rational prime different to the ...
Tom163's user avatar
  • 643
6 votes
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338 views

Deeper meaning behind the occurrence of the factor $\frac{\log q}{i}$ in Deninger's results

In two papers Deninger proved the following: If $q=p^{n}$ and $p$ is a finite prime of $\mathbb{Z}$, $B=\mathbb{C}[\mathbb{C}]$ is generated by symbols of the form $e^{\alpha}$, $\alpha\in\mathbb{C}$,...
The Thin Whistler's user avatar
6 votes
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243 views

Computing Hodge numbers by point counting

In the lecture note of Bhatt from Arizona winter school 2017, there is an exercise which claims if X is a proper smooth scheme defined over $\mathbb{Z}[1/N]$ and if there is a polynomial $P$ such that ...
ali's user avatar
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3 votes
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365 views

Is there a notion of a zeta function of a morphism?

The Hasse-Weil zeta function is defined only for arithmetic schemes. By an arithmetic scheme I will mean a scheme $X$ together with a morphism of finite type $X\rightarrow S$, where $S$ is an affine ...
James D. Taylor's user avatar
2 votes
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Behaviour of densities of places of finitely generated fields under specialisation

This question is a follow-up on question 2, posed in: On the distribution of roots modulo primes of an integral polynomial In appendix B of [1] by Pink, and in [2,3] by Serre, there are definitions ...
user98708's user avatar