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Prime numbers, diophantine equations, diophantine approximations, analytic or algebraic number theory, arithmetic geometry, Galois theory, transcendental number theory, continued fractions

7 votes

Applications of $p$-adic Hodge theory

For an example of an application of $p$-adic Hodge theory in a geometric setting, I thoroughly recommend reading the beautiful paper P. Berthelot, H. Esnault, K. Rulling, Rational points over finite …
6 votes
0 answers
304 views

Geometry of syntomic cohomology

Deligne cohomology has a geometric interpretation. For example, $H^{2}_{\mathcal{D}}(X,\mathbb{Z}(1))$ is identified with the group $H^{1}(X,\mathcal{O}_{X}^{\ast})$ of isomorphism classes of line bun …
Oli Gregory's user avatar
  • 1,404
5 votes
Accepted

Integral refinements of rigid cohomology

There has been some progress on this question since the question was asked. Apparently it was "known to the experts" that there cannot be an integral $p$-adic cohomology theory which is finitely gener …
Oli Gregory's user avatar
  • 1,404
6 votes
Accepted

Rigid versus log-rigid cohomology for semistable varieties

$\require{AMScd}$I'll expand a little on my comment to give an answer to David's follow up question: Firstly, the general relationship is described in Chiarellotto's Duke 1999 paper "Rigid cohomology …
Oli Gregory's user avatar
  • 1,404
1 vote

Meaning of dagger cohomology $H^{1 \dagger}(G^\dagger)$ in "Frobenius and Monodromy Operator...

I think $X^{\dagger}$ must mean the dagger space associated to the weak formal scheme you get by taking the weak completion of the model $\mathcal{X}$ along the special fibre $\mathcal{X}_{k}$. Then $ …
Oli Gregory's user avatar
  • 1,404
2 votes

Bloch–Beilinson conjecture for varieties over function fields of positive characteristic

This may not be precisely what you want, but a function field analogue of Beilinson's conjectures is formulated in R. Sreekantan, Non-Archimedean regulator maps and special values of $L$-functions, Cy …
Oli Gregory's user avatar
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