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Diophantine equations, rational points, abelian varieties, Arakelov theory, Iwasawa theory.
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 …
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 …
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.
…
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 …
11
votes
1
answer
524
views
Oesterlé's unpublished bound on Uniform Boundedness
The bound in Merel's solution to the Uniform Boundedness conjecture is not explicit, as it relies on Falting's work on the Mordell conjecture. I think this still is the case.
But there are known expl …
21
votes
Recent progress toward Birch and Swinnerton-Dyer conjecture
No, the conjecture is still wide open for rank $r\geq 2$.
The closest thing to progress is the work of Bhargava and Shankar that quantifies the rank $0$ case and shows that BSD holds for a positive p …
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 …
13
votes
Consequences of Shafarevich conjecture
The Shafarevich conjecture belongs to the broader program of Inverse Galois theory, and in that context it is just another step in that particular approach to understanding $\mathrm{Gal}(\overline{\ma …
18
votes
Accepted
Is the Tate-Shafarevich group of a rational elliptic curve finite?
MO is not the place to discuss the validity of preprints, but I think it is safe to say that the finitiness of the Tate-Shafarevich group for elliptic curves over $\mathbb{Q}$ is considered an open pr …
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
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 …
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 …
29
votes
Accepted
A road to inter-universal Teichmuller theory
According to Mochizuki himself, the essential prerequisites for the IUTeich papers are:
Semi-graphs of Anabelioids (sections 1 to 6)
The Geometry of Frobenioids I: The General Theory (complete)
The …
6
votes
Accepted
Selmer and free rank of Elliptic Curves
You first statement is correct, both ranks are expected to be equal. In particular we have:
$$\mathrm{rank}\,\,\mathrm{Sel}_p(E/K)=\mathrm{rank}(E/K)+\mathrm{rank}\,\,Ш(E/K)[p^\infty]$$
So if either …
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' …