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35 votes
4 answers
8k views

What would a "moral" proof of the Weil Conjectures require?

At the very end of this 2006 interview (rm), Kontsevich says "...many great theorems are originally proven but I think the proofs are not, kind of, "morally right." There should be better proofs......
bhwang's user avatar
  • 1,764
24 votes
3 answers
4k views

Are there "motivic" proofs of Weil conjectures in special cases?

This is a question meant as a first step to get into reading more on Weil conjectures and standard conjectures. It is known that the standard conjectures on vanishing of cycles would imply the Weil ...
Anweshi's user avatar
  • 7,442
14 votes
2 answers
2k views

How would a motivic proof of the Riemann hypothesis over finite fields go?

It is well known that Grothendieck had a different idea than Deligne about how one should go about proving the Riemann hypothesis for finite fields. However, since Grothendieck's desired proof never ...
James D. Taylor's user avatar
10 votes
1 answer
1k views

Motivic proof of Weil-conjectures?

Assuming the standard conjectures (and whatever is needed in addition), is there a nice proof of the Weil-conjectures written completely in the language of motives?
Jan Weidner's user avatar
  • 13.2k
8 votes
3 answers
3k views

Why is the zeta function of a variety over a finite field not a polynomial? (question about motives)

I've been doing some light(?) reading on motives and the standard conjectures in an attempt to put various things that I tangentially know in perspective. The question is this: the Weil conjectures ...
Makhalan Duff's user avatar
1 vote
0 answers
271 views

Eilenberg-Steenrod cohomological theory versus Weil cohomological theory [closed]

Can someone enlighten me what is the difference between an Eilenberg-Steenrod cohomological theory ( See here, https://en.wikipedia.org/wiki/Eilenberg%E2%80%93Steenrod_axioms ), and a Weil ...
Angel65's user avatar
  • 595
0 votes
0 answers
123 views

Roots of weight of a characteristic polynomial of Frobenius

We are expected to solve a conjecture of the title. Reference is Jean-Pierre Serre — Propriétés conjecturales des groupes de Galois motiviques et des représentations l-adiques. Precisely; Conjecture A:...
Takahiro Matsuda's user avatar