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JBorger

Canberra, Australia

http://maths-people.anu.edu.au/~borger/

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Top Questions
42 votes

Possible formal smoothness mistake in EGA

ag.algebraic-geometry asked Jan 4, 2010 at 20:01
mathoverflow.net

27 votes

What is the history of the name "Chinese remainder theorem"?

ho.history-overview nt.number-theory asked Jan 16, 2010 at 2:49
mathoverflow.net

21 votes

When do two elliptic curves have equivalent small etale toposes?

ag.algebraic-geometry topos-theory etale-cohomology asked Sep 12, 2010 at 12:39
mathoverflow.net

20 votes

Is every integral epimorphism of commutative rings surjective?

ac.commutative-algebra ag.algebraic-geometry asked Mar 25, 2010 at 6:03
mathoverflow.net

16 votes

What are the merits of the different finiteness conditions on quasi-coherent sheaves?

ag.algebraic-geometry sheaf-theory coherent-sheaves asked May 9, 2010 at 9:31
mathoverflow.net

15 votes

Can the failure of the multiplicativity of Euler factors at bad primes be corrected?

nt.number-theory zeta-functions characteristic-p asked Feb 6, 2010 at 12:39
mathoverflow.net

15 votes

Introductory text for the non-arithmetic moduli of elliptic curves

moduli-spaces exposition reference-request asked Jan 19, 2010 at 3:28
mathoverflow.net

12 votes

Can latexdiff be used for mathematics documents?

math-mode latexdiff asked Aug 5, 2010 at 11:50
tex.stackexchange.com

12 votes

Are there analogues of Beilinson's conjectures for motives with coefficients?

motives motivic-cohomology algebraic-k-theory l-functions complex-multiplication asked Apr 22, 2010 at 10:04
mathoverflow.net

12 votes

What should the definition of "Yoneda property" be?

ct.category-theory asked Nov 29, 2009 at 0:31
mathoverflow.net

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Top Answers
120
How has modern algebraic geometry affected other areas of math?
mathoverflow.net

71
The inverse Galois problem, what is it good for?
mathoverflow.net

47
Is there a universal property for Witt vectors?
mathoverflow.net

46
Consequences of not requiring ring homomorphisms to be unital?
mathoverflow.net

41
Commutative rings to algebraic spaces in one jump?
mathoverflow.net

37
Why are noetherian rings such natural objects in algebraic geometry?
mathoverflow.net

27
What are some slogans that express mathematical tricks?
mathoverflow.net

22
Why is this not an algebraic space?
mathoverflow.net

21
Problems where we can't make a canonical choice, solved by looking at all choices at once
mathoverflow.net

18
Is the moduli space of curves defined over the field with one element?
mathoverflow.net

16
Exact sequence of monoids
mathoverflow.net

15
Applications of algebraic geometry over a field with one element
mathoverflow.net

15
Is an ordinary scheme in Borger's Absolute Geometry the same as a "scheme over F1" with a map to Spec(Z)?
mathoverflow.net

14
Precise definition of a scheme (Key question: How to define an open subfunctor without resorting to classical scheme theory)
mathoverflow.net

14
When and why did the postdoctoral position originate?
mathoverflow.net

14
What's the easiest example of a morphism of topoi that is not from that of a site?
mathoverflow.net

14
Why does Neeman avoid t-structures?
mathoverflow.net

13
How much of scheme theory can you visualize?
mathoverflow.net

13
Is the (regular) inverse Galois problem known for the field C(x,y)?
mathoverflow.net

12
Why does the Gamma function satisfy a functional equation?
mathoverflow.net

12
Is every Adams ring morphism a lambda-ring morphism?
mathoverflow.net

12
On a Theorem of Fontaine
mathoverflow.net

11
When is a localization of a commutative ring finitely generated as an algebra?
mathoverflow.net

11
Ring with three binary operations
mathoverflow.net

11
Descent of functions along finite birational morphisms
mathoverflow.net

10
How to visualize a Witt vector?
mathoverflow.net

9
Are there Néron models over higher dimensional base schemes?
mathoverflow.net

9
$\lambda$-ring structure defined for a graded ring in Fulton–Lang's book
mathoverflow.net

8
Endofunctors of CRing which give schemes when composed with schemes?
mathoverflow.net

8
Criteria for ghost-Witt vectors: looking for history and references
mathoverflow.net

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