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Diophantine equations, rational points, abelian varieties, Arakelov theory, Iwasawa theory.
2
votes
Equivalence of various definitions of arithmetic Chow groups
The general idea is that for an arithmetic variety $X$, different choices of the pair $(H^\bullet,\mathcal{C})$, where $H^\bullet$ is a cohomology theory and $\mathcal{C}$ is a complex, yield differen …
3
votes
Accepted
Why is $\mathbb{Q}_p(p^{1/p^\infty})$ a complete topological field?
This was alredy answered in the comments, it is the $p$-adic completion of $\mathbb{Q}_p(p^{1/p^\infty})$ that is a perfectoid field.
But here is a reference for completeness
Matthias Wulkau, Revie …
9
votes
Crystalline realization of mixed Tate motives
Apparently this issue was worked out shortly after, during Go Yamashita's stay at the IHES in 2006, and after some discussion with Deligne.
For any Tate motive $M$ unramified at $v$, its crystalline …
13
votes
Accepted
Integral points on elliptic curves of the form $y^2=x^3+px$
This is completely worked out in Walsh's paper:
P. G. Walsh, Integer Solutions to the Equation $y^2=x(x^2\pm p^k)$ (2008)
In particular, for your elliptic curve $y^2=x^3+px$, there are at most 2 p …
28
votes
Have there been any updates on Mochizuki's proposed proof of the abc conjecture?
I think that not much has changed since 2012, in terms of general consensus within the mathematical community.
There's some very interesting opinions and notes on the topic (see for example the one b …
5
votes
Where was the arithmetic zeta function of a scheme first defined?
I accidentally found the answer to this question in the book "The Abel Prize. 2003-2007 The First Five Years", page 74:
"A first lecture on zeta and L-functions in the setting of the theory
of s …
2
votes
Vojta's conjecture on the bounded degree algebraic points over projective line?
Vojta's general statement (the "conjectured refinement of Roth's theorem", analogous to the second main theorem in Nevanlinna theory) is:
Let $X$ be a smooth complete variety over $k$, let $D$ be a n …
11
votes
3
answers
1k
views
References for general Hasse-Weil zeta function
Most research on the Hasse-Weil zeta function focuses on some particular type of algebraic variety, and general surveys usually deal mostly with the better understood elliptic curve case.
I am lookin …
7
votes
Is it expected that every natural number is the rank of some elliptic curve over the rationals?
If the rank of elliptic curves over $\mathbb{Q}$ is unbounded, there is no known reason for this to be the case. It could very well be that the set of ranks has density $0$ on the naturals, for all we …
8
votes
How much do I need to learn algebraic geometry to understand arithmetics over number fields
As a concrete exampe of how much the answer depends on what particular results you are interested, take the problem of understanding the rational points on a non-singular algebraic curve over $\mathbb …
6
votes
Tate modules of elliptic curves with complex multiplications
This is covered at the end of Serre's book "Abelian l-adic Representations and Elliptic Curves".
Basically, since $\mathrm{Gal}(\bar{K}/K)$ acts semi-simply on $V_p(E)$ (you might have to go to Lang' …
3
votes
Accepted
Reference result: proof of theorem of Kazhdan-Margulis on monodromy group of a Lefschetz pen...
The proof of this result is worked out in detail in page 250 (theorem 7.5) of the book
Eberhard Freitag, Reinhardt Kiehl "Etale Cohomology and the Weil Conjecture"
You can preview that page in par …
2
votes
Reconstruction of hyperbolic curves using the fundamental group
The way to reconstruct the differential sheaf from the fundamental group is, of course,
$$\pi_1(X)\curvearrowright X\curvearrowright \omega_X$$
But I don't think you can get to the differential shea …
5
votes
Accepted
Szpiro's conjecture for function fields and Mochizuki's approach to the number field case
You might want to also consider the geometric ("symplectic") version of the conjecture, since Mochizuki alredy has a paper outlining the relationship between Bogomolov's proof and his own IUT theory.
…
16
votes
Accepted
Possible groups of K-rational points for elliptic curves over arbitrary fields
By Mordell-Weil, for any number field $K$ we have
$$C(K)=\mathbb{Z}^r \times E(K)_{\mathrm{tors}}$$
As you mention, Mazur showed all the possible options for $E(\mathbb{Q})_{\mathrm{tors}}$ in his f …